Calculate square footage and convert measurements
ContractorCalculator helps users perform on-the-go calculations for square footage, measurement conversions, and fraction math. It supports trade-specific tasks like amps to watts and wire size.
Showing 1–20 of 1,000 ranked alternatives.
ORYX AI INFORMATION TECHNOLOGY - FZCO
Calculate measurements, estimate materials, layout stairs
Calculate dimensions, convert units, and perform angle and rafter measurements. Estimate material quantities and layout stairs. Input measurements for precise calculations. Save and reuse formulas for repeated tasks.
Tim O's Studios, LLC
Calculate with large buttons and clear display
A calculator with large buttons and a clear display for efficient calculations. Supports basic arithmetic operations. Includes a Retina Display for improved visibility.
Christie Clark
Calculate with large buttons and clear display
A calculator with a clear display and large buttons supports functions. Switch between portrait and landscape modes on iPad. Perform simple calculations without additional features.
Impala Studios B.V.
Calculate, edit, and track equations
Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Convert units between different measurement systems.
Southwire Company
Calculate and wire size
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.
Impala Studios B.V.
Calculate, edit, and track results
Calculator provides basic and scientific calculation functions. Users can access a history of past calculations for review or reuse. It includes a live currency converter for exchange rate checks.
Snappy Appz Inc.
Calculate feet, inches, and fractions
C- Pro allows calculations in feet, inches, and fractional inches. It includes modules for material estimates, crown moulding, conversions, area, volume, and arc calculations.
Calculated Industries, Inc.
Try before you buy
Calculate measurements and perform unit conversions for projects. Perform trigonometric calculations and angle measurements. Access a full user guide and use built-in formulas for precise calculations.
Ratha Sou
Calculate in portrait, science in landscape
Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.
DigitAlchemy LLC
Calculate fractions, add, subtract, divide, multiply, convert
Calculate fractions with addition, subtraction, multiplication, and division. Convert fractions to decimals. Adjust recipe quantities for different serving sizes. Review math problems and convert measurements between cups and teaspoons.
Calculated Industries, Inc.
Calculate and document electrical work safely
Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.
Snappy Appz Inc.
Construction computer for feet and inches.
The app performs calculations in feet, inches, and fractional inches. It includes modules for material estimates, conversions, area and volume calculations, trigonometry, and stairwells.
Cyberprodigy LLC
Calculate loads and circuits
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.
Tran Duy
Calculate, graph, convert, solve
Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.
George A Brown
Conversions for gas, volume, and measurements.
The app converts units for natural gas, LPG gas, measurements, and volumes. It handles conversions for flow rates, electrical units, and meter readings.
Pro Certs Software Ltd
Calculate , , and
Calculate electrical power for single phase systems by converting between , , and . Input values to solve for unknowns. Support for three phase calculations including kilowatts, , , and power factor.
Informed Publishing
Access code tables and track updates
Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.
Unicom TOV
Calculate, add, subtract, multiply, divide
A calculator with a large, easy-to-read display and simple buttons. Perform addition, subtraction, multiplication, and division. Features a clear layout and user-friendly design for everyday use.
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