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 air , temperature, or pressure with instant results. Copy calculations to other apps. Includes formulas for reference. Supports up to 16 decimal places and various units for each input.
Convert units across 77 categories with over 1000 options. Perform multiple conversions on one screen. Add custom units and categories. Use built-in calculator and numeric keyboard. Convert complex measurements like height and weight between systems.
Convert units across categories like length, weight, temperature, and volume. Switch between 100+ built-in units. Add custom units. Convert between imperial and metric systems. Save frequently used conversions. Share results via copy or email.
Convert units and currencies with quick searches and customizable favorites. Access essential conversions with a sleek interface. Set preferred units and categories for easy access. Perform fast conversions without additional steps.
Calculate volume and quantity needed for a garden. Determine total cost based on bag count. Convert measurements across multiple units. Select preferred unit type for calculations.
Calculate pitches, angles, and rise/run ratios. Estimate decking, stair, stud wall, and concrete quantities and costs. Switch between US and metric units. Input measurements for precise material estimates. Export results for project planning.
Convert temperatures between Celsius, Fahrenheit, Kelvin, Delisle, Newton, Rankine, Réaumur, and Rømer. Enter a value and select the unit to convert from. Display results in the desired unit.
Calculate volume for foundations, slabs, and structural elements. Input dimensions in feet, inches, or metric units. Automatically compute required quantity. Display results in cubic yards or cubic meters. Save and share calculations.
Calculate rates of hydrants and assess maximum water system using the Hazen-Williams formula. Input pipe diameter, length, and pressure to determine . Results displayed in imperial units.
The app provides instant access to key dimensions and strengths for pipe. Users can look up specifications for tubulars to quickly calculate capacity and annulus volumes in various units.
Measure distances, perimeters, and areas by placing pins on a map. Calculate dimensions and save measurements. Share results via email or export as a file. Sync with other devices for collaborative projects.
Provides calculations for DIY and tasks. Users can convert units and solve equations using decimal or fractional inputs. Save calculations, organize favorites, and email inputs and results for sharing.
Convert units across multiple categories with one . Add favorite conversions for quick access. Use built-in calculator for math operations. Switch between conversion types easily. No ads except special promotions.
Visualize distances on maps with customizable circles. Set parameters and units. Display areas to check proximity of locations. Track multiple points within defined ranges.
The app calculates time between two dates in months, weeks, days, and business days. It allows users to save calculations for future reference and countdown to important dates or events.