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US tool library

Construction tools for US contractors

Choose from 13 working calculators and project tools with measurements and terminology for American jobsites.

See dollar pricing

Imperial-first. Feet, inches, square feet and cubic yards where the calculation calls for them.

No false conversions. UK tax, law and standards tools are paused instead of relabeled.

4 free tools. One account works across both regional versions.

What is available in the US edition

13 tools have localized US inputs and outputs. Measurement tools in that group accept US customary inputs and show feet, inches, square feet, cubic yards, pounds, gallons or Fahrenheit where the calculation calls for them.

Tools tied to UK tax, law, product sizes, building regulations or British Standards are excluded from this library until a suitable US version is available.

Fully localized today: 13. Additional tools will appear here as their US versions become available.

Help shape the US edition

Start with tools that fit the job.

Use the free US-ready calculators today. Dollar estimates, American document language and more contractor workflows are next.

Feet, inches & yards No signup for free tools More US tools in progress
Calculate concreteConvert jobsite units
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Practical construction calculators and project tools for US contractors. 4 US-ready tools stay free.

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Built in the UK. Now building for US contractors too.

Showing 13 of 13 tools

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Concrete

Free concrete calculator for US contractors. Enter dimensions in feet and estimate cubic yards, with a waste allowance and 80 lb bag quantities.
CalculatorsStructural
Free

Profit Checker

Check a construction estimate against materials, labor, overhead and contingency in US dollars. Compare break-even price, profit margin and markup.
CalculatorsDocuments
Pro

Roofing Squares & Shingle Bundles

Calculate roofing squares and shingle bundles from measured roof area in square feet, waste allowance and product coverage. Price materials in USD.
CalculatorsRoofing
Free

Recessed Lighting Calculator

Plan recessed lighting positions using room dimensions in feet. Estimate fixture spacing, then check coverage and clearances with the fixture manufacturer.
CalculatorsElectrical
Pro

Weight

Estimate construction material weights in pounds from volume or dimensions. Use the material density and verify supplier data before lifting or transport.
CalculatorsGroundworks
Pro

Timesheet

Track construction work hours and estimate weekly pay in US dollars. Enter your rates and overtime assumptions; check applicable payroll requirements.
UtilitiesSite Management
Pro

Sign Document

Add a drawn or typed signature image to a PDF locally in your browser. This tool does not verify identity or provide a digital-signature audit trail.
UtilitiesDocuments
Pro

Unit Converter

Convert construction units free: feet, inches, square feet, acres, cubic yards, US gallons, pounds, Fahrenheit, PSI and metric units.
UtilitiesMeasurements
Free

Punch List Generator

Create a construction punch list with photos, priorities and completion status. Keep outstanding project items organized for the crew and client.
UtilitiesDocuments
Pro

Gravel Cubic Yards & US Tons

Estimate gravel cubic yards and US short tons from length, width, depth in inches and supplier bulk density. Add your dollar rate to estimate material cost.
CalculatorsGroundworks
Pro

Project Schedule Generator

Create a construction project schedule with tasks, durations and dependencies. Export a Gantt chart to share the plan with clients and your crew.
UtilitiesSite Management
Pro

Paint

Free US paint calculator. Estimate gallons and container quantities from room dimensions, doors, windows, coats and your paint's coverage rate.
CalculatorsGeneral Building
Free

BTU Heating Load Calculator

Estimate an early-stage heating load in BTU per hour from room measurements. A planning aid with clear limits, not a Manual J HVAC sizing calculation.
CalculatorsPlumbing & Heating
Pro