Construction Calculator A1: iPhone vs Android
Construction Calculator A1 gets 1k+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Construction Calculator A1 by Binary And Bricks Pvt Ltd is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
4.0 ★
8.7k ratings, both stores
Measured
Best rank now
#83
Android · 
Productivity Grossing
Productivity GrossingMeasured
App Store
App details
App ID
1589484051
Publisher
BINARY AND BRICKS PRIVATE LIMITED
Publisher country
India
Minimum OS
iOS 15.0+
Content rating
4+
Languages
1
EN
Size
167 MB
Google Play
App details
App ID
com.binaryandbricks.construction_calculator
Publisher
Binary and Bricks Private Limited
Publisher country
India
Content rating
Everyone
Construction Calculator A1 downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | 500+ | 10k+ |
| Google Play | 1k+ | 500k+ Measured |
| Total | 1k+ Confidence | 500k+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where Construction Calculator A1's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: Ad-led
How Construction Calculator A1 makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 2 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.6 ★ | 766 |
| Google Play | 4.0 ★ | 7.9k 14 written reviews |
| Both stores | 4.0 ★ weighted by ratings | 8.7k |
About Construction Calculator A1
The #1 construction calculator trusted by 1M+ contractors, builders, and engineers worldwide.
Construction Calculator A1 — the complete civil engineering toolkit for
contractors, builders and engineers. 500+ calculators, from a single slab to a
client-ready Bill of Quantities.
CONCRETE CALCULATOR
• Slabs, footings, columns, beams, stairs, walls & culverts
• Instant material quantities: cement bags, sand, aggregate
• Mix ratios and grade selection for any specification
REBAR & STEEL CALCULATOR
• Bar Bending Schedule (BBS) with shape codes and cutting lengths
• Weight calculator for metric and US bar sizes (#3–#11)
• Lap length, cover & spacing calculations
• Steel tonnage for structural estimates
FEET-INCHES CALCULATOR
• Add, subtract, multiply, divide in feet-inches-fractions
• No decimal conversion needed
• Running tape you can review and reuse
BILL OF QUANTITIES (BOQ) — NEW
• Send any calculation straight to a BOQ
• Organise by project, track total value and % priced
• Professional report with your company header and signature
• Export as PDF or Excel
AUTOMATIC DRAWINGS — NEW
• Calculators draw a dimensioned sketch of what you entered
• Brickwork, steel shapes, concrete sections, excavation, stairs
• Drawings and a DIMENSIONS panel included in every PDF
MATERIAL PRICE LIBRARY — NEW
• Store your own rates in your own currency
• Rates auto-fill into cost fields across the app
• Six regional presets with local materials and units
APPLE WATCH APP — NEW
• Converter, material weight, volume, diagonal and rebar on your wrist
• Prices synced from iPhone, with full calculation history
AREA & VOLUME
• 50+ shapes: rectangle, circle, triangle, trapezoid, polygons, prisms,
cones, spheres and more
• Draw Shape and GPS Area for irregular plots
• Room area, paint coverage, flooring and excavation volumes
UNIT CONVERTER
• Length, area, volume, weight, pressure, power, speed, density and more
• Construction-specific units throughout
LEARN — NEW
• Civil engineering articles, checklists and reference charts
• Topic quizzes with instant explanations
• Daily streaks, XP and achievement badges
PROFESSIONAL FEATURES
• Save and organise calculations by project, with notes and photos
• Share estimates with clients instantly
• Construction cost estimator with breakdown charts and quotations
• Company branding on every report
• Google Drive and iCloud backup, cloud sync across devices
• Metric and Imperial, 16 languages, light and dark themes
• Works offline — calculations need no internet
SUBSCRIPTION INFORMATION
Construction Calculator Pro is available as a monthly or yearly auto-renewing
subscription, or as a one-time Lifetime purchase.
• Payment is charged to your Apple ID account at confirmation of purchase.
• Subscriptions renew automatically unless auto-renew is turned off at least
24 hours before the end of the current period.
• Your account is charged for renewal within 24 hours prior to the end of the
current period, at the rate of your select
Construction Calculator A1 — the complete civil engineering toolkit for
contractors, builders and engineers. 500+ calculators, from a single slab to a
client-ready Bill of Quantities.
CONCRETE CALCULATOR
• Slabs, footings, columns, beams, stairs, walls & culverts
• Instant material quantities: cement bags, sand, aggregate
• Mix ratios and grade selection for any specification
REBAR & STEEL CALCULATOR
• Bar Bending Schedule (BBS) with shape codes and cutting lengths
• Weight calculator for metric and US bar sizes (#3–#11)
• Lap length, cover & spacing calculations
• Steel tonnage for structural estimates
FEET-INCHES CALCULATOR
• Add, subtract, multiply, divide in feet-inches-fractions
• No decimal conversion needed
• Running tape you can review and reuse
BILL OF QUANTITIES (BOQ) — NEW
• Send any calculation straight to a BOQ
• Organise by project, track total value and % priced
• Professional report with your company header and signature
• Export as PDF or Excel
AUTOMATIC DRAWINGS — NEW
• Calculators draw a dimensioned sketch of what you entered
• Brickwork, steel shapes, concrete sections, excavation, stairs
• Drawings and a DIMENSIONS panel included in every PDF
MATERIAL PRICE LIBRARY — NEW
• Store your own rates in your own currency
• Rates auto-fill into cost fields across the app
• Six regional presets with local materials and units
APPLE WATCH APP — NEW
• Converter, material weight, volume, diagonal and rebar on your wrist
• Prices synced from iPhone, with full calculation history
AREA & VOLUME
• 50+ shapes: rectangle, circle, triangle, trapezoid, polygons, prisms,
cones, spheres and more
• Draw Shape and GPS Area for irregular plots
• Room area, paint coverage, flooring and excavation volumes
UNIT CONVERTER
• Length, area, volume, weight, pressure, power, speed, density and more
• Construction-specific units throughout
LEARN — NEW
• Civil engineering articles, checklists and reference charts
• Topic quizzes with instant explanations
• Daily streaks, XP and achievement badges
PROFESSIONAL FEATURES
• Save and organise calculations by project, with notes and photos
• Share estimates with clients instantly
• Construction cost estimator with breakdown charts and quotations
• Company branding on every report
• Google Drive and iCloud backup, cloud sync across devices
• Metric and Imperial, 16 languages, light and dark themes
• Works offline — calculations need no internet
SUBSCRIPTION INFORMATION
Construction Calculator Pro is available as a monthly or yearly auto-renewing
subscription, or as a one-time Lifetime purchase.
• Payment is charged to your Apple ID account at confirmation of purchase.
• Subscriptions renew automatically unless auto-renew is turned off at least
24 hours before the end of the current period.
• Your account is charged for renewal within 24 hours prior to the end of the
current period, at the rate of your select
Construction Calculator A1 iPhone
Construction Calculator A1 gets 1k+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Not in any tracked top chart right now.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperBinary And Bricks Pvt Ltd
CategoryProductivity
PriceFree
Released
Rating★ 4.6 (766)
Version2026.08.04
Age rating4+
First seen by us 25 Sep 2026
25 Sep 2026Installs (est.)10k+ worldwide
Rating
4.6 ★
766 ratings
Measured
Construction Calculator A1 on the App Store
App details
App ID
1589484051
Publisher
BINARY AND BRICKS PRIVATE LIMITED
Publisher country
India
Minimum OS
iOS 15.0+
Content rating
4+
Languages
1
EN
Size
167 MB
Construction Calculator A1 downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Construction Calculator A1's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Construction Calculator A1 before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: Ad-led
How Construction Calculator A1 makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 2 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.6 ★
766 ratings
Measured
Ratings
766
Measured
About Construction Calculator A1
The #1 construction calculator trusted by 1M+ contractors, builders, and engineers worldwide.
Construction Calculator A1 — the complete civil engineering toolkit for
contractors, builders and engineers. 500+ calculators, from a single slab to a
client-ready Bill of Quantities.
CONCRETE CALCULATOR
• Slabs, footings, columns, beams, stairs, walls & culverts
• Instant material quantities: cement bags, sand, aggregate
• Mix ratios and grade selection for any specification
REBAR & STEEL CALCULATOR
• Bar Bending Schedule (BBS) with shape codes and cutting lengths
• Weight calculator for metric and US bar sizes (#3–#11)
• Lap length, cover & spacing calculations
• Steel tonnage for structural estimates
FEET-INCHES CALCULATOR
• Add, subtract, multiply, divide in feet-inches-fractions
• No decimal conversion needed
• Running tape you can review and reuse
BILL OF QUANTITIES (BOQ) — NEW
• Send any calculation straight to a BOQ
• Organise by project, track total value and % priced
• Professional report with your company header and signature
• Export as PDF or Excel
AUTOMATIC DRAWINGS — NEW
• Calculators draw a dimensioned sketch of what you entered
• Brickwork, steel shapes, concrete sections, excavation, stairs
• Drawings and a DIMENSIONS panel included in every PDF
MATERIAL PRICE LIBRARY — NEW
• Store your own rates in your own currency
• Rates auto-fill into cost fields across the app
• Six regional presets with local materials and units
APPLE WATCH APP — NEW
• Converter, material weight, volume, diagonal and rebar on your wrist
• Prices synced from iPhone, with full calculation history
AREA & VOLUME
• 50+ shapes: rectangle, circle, triangle, trapezoid, polygons, prisms,
cones, spheres and more
• Draw Shape and GPS Area for irregular plots
• Room area, paint coverage, flooring and excavation volumes
UNIT CONVERTER
• Length, area, volume, weight, pressure, power, speed, density and more
• Construction-specific units throughout
LEARN — NEW
• Civil engineering articles, checklists and reference charts
• Topic quizzes with instant explanations
• Daily streaks, XP and achievement badges
PROFESSIONAL FEATURES
• Save and organise calculations by project, with notes and photos
• Share estimates with clients instantly
• Construction cost estimator with breakdown charts and quotations
• Company branding on every report
• Google Drive and iCloud backup, cloud sync across devices
• Metric and Imperial, 16 languages, light and dark themes
• Works offline — calculations need no internet
SUBSCRIPTION INFORMATION
Construction Calculator Pro is available as a monthly or yearly auto-renewing
subscription, or as a one-time Lifetime purchase.
• Payment is charged to your Apple ID account at confirmation of purchase.
• Subscriptions renew automatically unless auto-renew is turned off at least
24 hours before the end of the current period.
• Your account is charged for renewal within 24 hours prior to the end of the
current period, at the rate of your select
Construction Calculator A1 — the complete civil engineering toolkit for
contractors, builders and engineers. 500+ calculators, from a single slab to a
client-ready Bill of Quantities.
CONCRETE CALCULATOR
• Slabs, footings, columns, beams, stairs, walls & culverts
• Instant material quantities: cement bags, sand, aggregate
• Mix ratios and grade selection for any specification
REBAR & STEEL CALCULATOR
• Bar Bending Schedule (BBS) with shape codes and cutting lengths
• Weight calculator for metric and US bar sizes (#3–#11)
• Lap length, cover & spacing calculations
• Steel tonnage for structural estimates
FEET-INCHES CALCULATOR
• Add, subtract, multiply, divide in feet-inches-fractions
• No decimal conversion needed
• Running tape you can review and reuse
BILL OF QUANTITIES (BOQ) — NEW
• Send any calculation straight to a BOQ
• Organise by project, track total value and % priced
• Professional report with your company header and signature
• Export as PDF or Excel
AUTOMATIC DRAWINGS — NEW
• Calculators draw a dimensioned sketch of what you entered
• Brickwork, steel shapes, concrete sections, excavation, stairs
• Drawings and a DIMENSIONS panel included in every PDF
MATERIAL PRICE LIBRARY — NEW
• Store your own rates in your own currency
• Rates auto-fill into cost fields across the app
• Six regional presets with local materials and units
APPLE WATCH APP — NEW
• Converter, material weight, volume, diagonal and rebar on your wrist
• Prices synced from iPhone, with full calculation history
AREA & VOLUME
• 50+ shapes: rectangle, circle, triangle, trapezoid, polygons, prisms,
cones, spheres and more
• Draw Shape and GPS Area for irregular plots
• Room area, paint coverage, flooring and excavation volumes
UNIT CONVERTER
• Length, area, volume, weight, pressure, power, speed, density and more
• Construction-specific units throughout
LEARN — NEW
• Civil engineering articles, checklists and reference charts
• Topic quizzes with instant explanations
• Daily streaks, XP and achievement badges
PROFESSIONAL FEATURES
• Save and organise calculations by project, with notes and photos
• Share estimates with clients instantly
• Construction cost estimator with breakdown charts and quotations
• Company branding on every report
• Google Drive and iCloud backup, cloud sync across devices
• Metric and Imperial, 16 languages, light and dark themes
• Works offline — calculations need no internet
SUBSCRIPTION INFORMATION
Construction Calculator Pro is available as a monthly or yearly auto-renewing
subscription, or as a one-time Lifetime purchase.
• Payment is charged to your Apple ID account at confirmation of purchase.
• Subscriptions renew automatically unless auto-renew is turned off at least
24 hours before the end of the current period.
• Your account is charged for renewal within 24 hours prior to the end of the
current period, at the rate of your select
Latest updates
2026.08.04
Our biggest update yet!
ADVANCED RCC CALCULATORS (NEW)
• Column, Footing, Beam & Slab with real geometries and regional bar standards for India, USA, Canada, UK, Australia & Gulf
• Live engineering drawings that follow your inputs — tie styles, curtailment, mats and zones
• Export straight to a Bar Bending Schedule, or share a professional PDF report with the drawing included
TILE QUANTITY (NEW)
• Floor tiles, wall tiles & skirting as three focused calculators
• Generated layout plans and wall elevations, custom tile sizes, dado bands and openings
PAINT & FINISHES (NEW)
• Putty, primer, texture & paint with coverage-based quantities and smart pack sizes
• Wood & metal finishes measured with standard coefficients
MATERIALS & RATES
• Your one steel rate now prices every rebar size, metal section and alloy
• Brick sizes show units and cost per m²; ready-mix grades price per m³
• Set your own labour rates per trade, and price concrete the way you buy it — ready-mix or site-mix
BAR BENDING SCHEDULE, REDESIGNED
• Clean, mobile-friendly editor with add-row cards and automatic weight-by-diameter totals
• Sign by hand and export a professional PDF or Excel sheet
Plus dozens of fixes and UI polish across the app.
More from Binary And Bricks Pvt Ltd
Construction Calculator A1 Android
Construction Calculator A1 gets 1k+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Construction Calculator A1 is #83 in Productivity Grossing on Google Play in India and charting in 2 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperBinary and Bricks Pvt. Ltd.
CategoryProductivity
PriceFree
Released
Installs500k+
Rating★ 4.0 (7.9k)
Updated
Content ratingEveryone
Rating
4.0 ★
7.9k ratings
Measured
Best rank now
#83
Productivity GrossingMeasured
Construction Calculator A1 on Google Play
App details
App ID
com.binaryandbricks.construction_calculator
Publisher
Binary and Bricks Private Limited
Publisher country
India
Content rating
Everyone
Construction Calculator A1 downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Construction Calculator A1's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Construction Calculator A1 before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: Ad-led
How Construction Calculator A1 makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 2 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| India | ProductivityGrossing | #83 |
| India | ProductivityFree | #187 |
 United Arab Emirates | ProductivityFree | #141 |
Apps near Construction Calculator A1 on the chart
Productivity Grossing, around #83.
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Ratings
Google Play, worldwide.
Rating
4.0 ★
7.9k ratings
Measured
Ratings
7.9k
Measured
Written reviews
14
Measured
About Construction Calculator A1
Construction Calculator A1 – The Ultimate Civil Engineering Tool
Construction Calculator A1 is a complete civil engineering toolkit for engineers,
contractors, architects, site supervisors, quantity surveyors (QS) and real estate
professionals. 500+ calculators take you from material estimation and RCC design all
the way to a client-ready Bill of Quantities — on your phone, tablet, Apple Watch and the web.
IDEAL FOR
✔ Civil Engineers & Contractors – RCC, beam, column, footing & reinforcement
✔ Quantity Surveyors & Estimators – Fast, accurate material take-offs
✔ Site Supervisors & Project Managers – On-site calculations and costing
✔ Architects & Builders – Area, volume and design measurements
✔ DIY Home Builders & Real Estate Professionals – Land and plot area
★ NEW — BILL OF QUANTITIES (BOQ)
✔ Add any calculation result straight to a BOQ
✔ Organise work by project, track total value and % priced
✔ Professional BOQ report with your company header and signature
✔ Export as PDF or Excel and send to clients
★ NEW — AUTOMATIC DRAWINGS
✔ Calculators generate a dimensioned drawing of what you entered
✔ Brickwork, steel/BBS shapes, concrete sections, excavation, stairs and more
✔ Drawings and a DIMENSIONS/QUANTITIES panel included in every PDF report
★ NEW — MATERIAL PRICE LIBRARY
✔ Store your own material rates in your own currency
✔ Rates auto-fill into cost fields across the app
✔ Six regional presets with local materials and units
★ NEW — LEARN: STUDY & QUIZ
✔ Civil engineering articles, checklists and reference charts
✔ Topic quizzes with instant explanations
✔ Daily streaks, XP, stars and achievement badges
QUANTITY CALCULATORS
✔ Concrete – slab, beam, column, footing, staircase, retaining wall, culvert
✔ Steel & BBS – reinforcement weight, cutting length, bar bending schedules
✔ Brick, Block & Plaster – walls, bonds, arches, AAC/CLC blocks
✔ Flooring, Tile & Plywood
✔ Paint – litres/gallons with coats and coverage
✔ Water Tank – rectangular, cylindrical, spherical, capsule and more
✔ Excavation & Backfill, Anti-Termite, Shuttering, Plum Concrete
✔ Roofing – area, pitch, rafter length, gable and flat roofs
✔ Infrastructure – road, rail, dam, sewage, water supply
✔ Construction Cost Estimator with breakdown charts and client quotations
AREA & VOLUME
✔ Plot area, rectangle, square, triangle, circle, trapezoid, polygons
✔ Cube, cone, cylinder, sphere, prism, pyramid, frustum and more
✔ Draw Shape and GPS Area for irregular plots
UNIT CONVERTER
✔ Length, area, volume, weight, pressure, power, speed, time, fuel, angle, density
✔ Feet-inch-fraction construction calculator with a running tape
SAVE, SHARE & SYNC
✔ Save calculations, add notes and photos, organise in folders
✔ Export PDF and Excel reports with your company logo and signature
✔ Google Drive and iCloud backup
✔ Cloud sync across your devices (Pro)
✔ Use the same account on the web
WHY CHOOSE CONSTRUCTION CALCULATOR FREE
✔ Metric & Imperial – switch instantly in any calculator
✔ W
Construction Calculator A1 is a complete civil engineering toolkit for engineers,
contractors, architects, site supervisors, quantity surveyors (QS) and real estate
professionals. 500+ calculators take you from material estimation and RCC design all
the way to a client-ready Bill of Quantities — on your phone, tablet, Apple Watch and the web.
IDEAL FOR
✔ Civil Engineers & Contractors – RCC, beam, column, footing & reinforcement
✔ Quantity Surveyors & Estimators – Fast, accurate material take-offs
✔ Site Supervisors & Project Managers – On-site calculations and costing
✔ Architects & Builders – Area, volume and design measurements
✔ DIY Home Builders & Real Estate Professionals – Land and plot area
★ NEW — BILL OF QUANTITIES (BOQ)
✔ Add any calculation result straight to a BOQ
✔ Organise work by project, track total value and % priced
✔ Professional BOQ report with your company header and signature
✔ Export as PDF or Excel and send to clients
★ NEW — AUTOMATIC DRAWINGS
✔ Calculators generate a dimensioned drawing of what you entered
✔ Brickwork, steel/BBS shapes, concrete sections, excavation, stairs and more
✔ Drawings and a DIMENSIONS/QUANTITIES panel included in every PDF report
★ NEW — MATERIAL PRICE LIBRARY
✔ Store your own material rates in your own currency
✔ Rates auto-fill into cost fields across the app
✔ Six regional presets with local materials and units
★ NEW — LEARN: STUDY & QUIZ
✔ Civil engineering articles, checklists and reference charts
✔ Topic quizzes with instant explanations
✔ Daily streaks, XP, stars and achievement badges
QUANTITY CALCULATORS
✔ Concrete – slab, beam, column, footing, staircase, retaining wall, culvert
✔ Steel & BBS – reinforcement weight, cutting length, bar bending schedules
✔ Brick, Block & Plaster – walls, bonds, arches, AAC/CLC blocks
✔ Flooring, Tile & Plywood
✔ Paint – litres/gallons with coats and coverage
✔ Water Tank – rectangular, cylindrical, spherical, capsule and more
✔ Excavation & Backfill, Anti-Termite, Shuttering, Plum Concrete
✔ Roofing – area, pitch, rafter length, gable and flat roofs
✔ Infrastructure – road, rail, dam, sewage, water supply
✔ Construction Cost Estimator with breakdown charts and client quotations
AREA & VOLUME
✔ Plot area, rectangle, square, triangle, circle, trapezoid, polygons
✔ Cube, cone, cylinder, sphere, prism, pyramid, frustum and more
✔ Draw Shape and GPS Area for irregular plots
UNIT CONVERTER
✔ Length, area, volume, weight, pressure, power, speed, time, fuel, angle, density
✔ Feet-inch-fraction construction calculator with a running tape
SAVE, SHARE & SYNC
✔ Save calculations, add notes and photos, organise in folders
✔ Export PDF and Excel reports with your company logo and signature
✔ Google Drive and iCloud backup
✔ Cloud sync across your devices (Pro)
✔ Use the same account on the web
WHY CHOOSE CONSTRUCTION CALCULATOR FREE
✔ Metric & Imperial – switch instantly in any calculator
✔ W
What's new in 2026.09.20
Your results now speak your region's units.
• Concrete, sand and aggregate in cubic yards or m³ — and cement in the bag you actually buy: 94 lb, 50, 40, 25 or 20 kg
• Water in gallons or litres, steel in lb or kg
• Share, PDF, Excel and your estimate now match exactly what's on screen
• Rates priced per the unit you buy in
• Fixed: UK and Australia cement costs, Canadian 10M bars, imperial weights
• Clearer, easier-to-read result tables
• Concrete, sand and aggregate in cubic yards or m³ — and cement in the bag you actually buy: 94 lb, 50, 40, 25 or 20 kg
• Water in gallons or litres, steel in lb or kg
• Share, PDF, Excel and your estimate now match exactly what's on screen
• Rates priced per the unit you buy in
• Fixed: UK and Australia cement costs, Canadian 10M bars, imperial weights
• Clearer, easier-to-read result tables