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Free Contractor Calculator App

Designed for contractors of all types to specifically make quick and easy
calculations in the field.

Make Quick Calculations In The Field

Make Quick Calculations In The Field

Designed for contractors of all types, ContractorCalculator is the easiest way to calculate and save important calculations while in the field. Handle on-the-go calculations like square footage, measurement conversions, and fraction math to trade specific calculations like amps to watts, drywall footage, roof footage, and wire size calculations.

Once calculated, simply save them to projects to retrieve at anytime.

This contractor calculator can help you make assessments in the field, and even ensure business expenses are in order for key projects.

Store and Categorize Your Go-To Calculations

ContractorCalculator allows you to store your go-to calculations in your favorites tab and categorize them by project. This saves you time and enables you to customize your most commonly used field calculations.

If you need to make calculations to prepare a customer estimate, users also have access to the free invoicing and estimate tool, SimplySend. This means you can calculate project costs, and quickly send an estimate with just a few taps.

Generate beautiful, customized PDFs and easily send them to your customer!
Calculations and Features Include:

Calculations and Features Include:

• Square Footage Calculator
• Decimals to Fractions Converter
• Fraction Calculator
• Measurement Conversion
• Amps to Watts Calculator
• Wire Size Calculator
• Amps by Wire Size Chart
• Wall and Paint Footage Calculator
• Drywall Footage Calculator
• Flooring Calculator
• Roof Footage Calculator
• Siding and Brick Calculator
• And more!

Square Footage Calculator

Easily make square footage calculations for your projects!

Decimals to Fractions Converter

Make quick and easy conversions in just a few taps.

Fraction Calculator

Quickly divide, substract, multiply and add fractions – just a few taps of the app!

Measurement Conversion

Quickly convert measurements to ensure accuracy.

Amps to Watts Calculator

Easily convert amps to watts with a few taps.

Wire Size Calculator

Ensure you’re using the right wire for your electrical project.

Wall and Paint Footage Calculator

Easily calculate your next painting project with this calculator.

Drywall Footage Calculator

Measure out the drywall needed and get an accurate read on business expenses.

Flooring Calculator

Make quick calculations for flooring projects!

Roof Footage Calculator

Properly estimate your roofing project business expenses with this feature!

Siding and Brick Calculator

Accurately estimate your siding and brick projects with just a few apps.

Download the ContractorCalculator Today!

Don’t just take our word for it, try it yourself! Download the ContractorCalculator app on Android or iPhone below, and start making your in-field calculations today.

Looking for the next step in your business?

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