Calculate floor area with customizable input and output units. Choose decimal precision. Add or remove rooms using "+" or swipe. Convert measurements between metric and imperial systems.
by Armchair Engineering★ 4.232 ratingsUtilitiesFreeData updated 2026-09-10
Calculate volume for slabs, footings, columns, walls, and stairs in cubic yards, feet, or meters. Estimate needed, determine weight and bag requirements. Calculate rebar spacing and truckloads.
Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.
Solve right-angled triangles by inputting known sides or angles. View step-by-step calculations and a scale drawing of the triangle. Access basic formulae. Enter angles in radians, decimal degrees, or degrees, minutes, seconds.
Perform arithmetic operations with binary, decimal, and hexadecimal numbers. Convert between number systems. Calculate bitwise operations and logical expressions. Store and recall previous results.
Calculate based on voltage, current, distance, and voltage drop. Select units like AWG, mm, or inches. Choose material: copper, aluminum, or electrical steel. Ensure safe electrical installations for low voltage DC systems and residential AC wiring.
Calculate measurements in feet, inches, and meters
Calculate measurements using feet, inches, yards, meters, and regular numbers simultaneously. Input fractions by selecting a numerator and denominator. Convert between units and perform calculations for construction tasks.
Convert units across 40+ categories with a single click. Switch between metric and imperial systems. Input values and select units for instant . Share results or copy to clipboard.
Calculate area for , rectangular, triangular, circular, trapezoidal, or elliptical spaces. Input dimensions to get feet, meters, or yards. Estimate material costs based on price per 100 units. Export results for project planning.
Track speed in using units like meters per second, miles per hour, and kilometers per hour. Display speed in English or Spanish. Allow users to request additional language support.
Convert units of measure in text, on websites in Safari, and live in the camera view. Automatically switch between Metric, Imperial, and U.K. systems. Select preferred units for automatic .
Manage projects, track progress, and share updates
Manage construction projects with budget tracking, material calculations, and scheduling tools. Input measurements for custom cuts and view progress reports. Sync across devices and export data in multiple formats.
Calculate area by inputting width and length in feet, inches, or meters. Convert between imperial and metric units in real time. Determine quantity with gap size and waste percentage. Identify floor or wall based on dimensions.
Displays real-time traffic and satellite views. Shows current location and allows address input. Measures land area and calculates radius and corners. Shares location via email, SMS, or social networks. Auto-updates direction based on movement.
Convert geographic between systems like UPS/UTM, MGRS, and latitude/longitude formats. Input and switch between decimal degrees, degrees minutes seconds, and degrees minutes. Export results in various formats.
Objects using an augmented reality camera interface. Select units like inches, feet, centimeters, or meters. Capture and save measurements. Share results via email or messaging. Sync measurements across devices.
Lets users calculate the , perimeter, and length of horizontal or vertical shapes. They can edit or delete edges, take photos, and copy measurements to the clipboard.
Quilting calculators help convert units between yards and inches, meters and centimeters. Determine fabric needed for backing, batting, and borders. Calculate rectangular pieces from larger fabric.
Use your phone's camera to measure objects, calculate areas, and create floor plans. Access AR measure, , and level tools. Save measurements and switch between metric and imperial units.
Calculates air density, relative humidity, and air pressure automatically. Displays geographic position, temperature, dewpoint, elevation, and barometric pressure. Supports airport and manual input modes.