Calculate , diameter, or velocity
Calculate fluid rates, pipe diameter, or liquid velocity. Choose units for diameter, velocity, and . Set decimal precision for results. Solve equations for accurate measurements.
Showing 1–20 of 1,000 ranked alternatives.
Armchair Engineering
Calculate volume quickly
Calculate volume for holes, slabs, or tubes using precise equations. Choose input units from mm, cm, m, inches, feet, yards, or miles. Select output units including cubic mm, cm, m, inches, feet, yards, or miles. Adjust decimal places for precision.
Tan Chia Ling
Calculate airflow rate instantly
Calculate airflow displacement by inputting velocity or volume. Select duct type and dimensions with unit options. Instantly display results in preferred units including fl/min, m/s, and ft3/min.
Armchair Engineering
Calculate dimensions and material needs
Calculate decking material needs by inputting dimensions. Determine bearer and joist lengths. Adjust measurements in mm, cm, inches, or feet. Choose decimal precision for accurate results.
Uncaught Exception Inc.
Calculate and visualize projects
Perform calculations with math functions and trigonometry. Switch between units like feet, inches, yards, and metric. Visualize measurements and fractions. Track projects with customizable templates. Export results in various formats.
Armchair Engineering
Calculate staircase dimensions with precision
Calculate staircase dimensions with precise formulas. Input riser height and step depth to determine going, stringer, and base lengths. Choose units from mm, cm, or inches.
Armchair Engineering
Measure spaces and convert units
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.
Armchair Engineering
Calculate roof pitch and length
Calculate length and associated values for gable roofs. Input room width and ridge height to determine pitch, lengths, and ridge height. Use advanced options to enter pitch in radians, degrees, DMS, or rise/run.
Sarah Ragab
Simple, usable, and beautiful calculator.
The app offers a free basic and scientific calculator with an intuitive interface. It displays equations and results simultaneously, supporting fractions and percentages.
Nikolay Khotenko
Convert units instantly and save favorites
Convert units by typing the desired directly. Support fractions, decimals, and custom precision. Perform basic math operations. Save favorite conversions. Convert between metric and imperial units, including fractional inches and feet-inches formats.
Smart Energy Systems LLC
Manage power account info and settings
Manage your power account with real-time usage tracking and bill payment. Monitor consumption patterns, compare usage data, and set up alerts. Access account details, update personal information, and view historical usage reports.
Armchair Engineering
Convert MXN to USD with precision
Convert using real-time exchange rates. Choose the number of decimal places for precision. Input amounts and view converted values instantly.
Jian Yih Lee
Convert across length, area, mass, temperature,
Convert across categories including length, area, mass, temperature, volume, density, and flow rates. Switch between like km to miles or Celsius to Fahrenheit. Calculate torque and viscosity values. Export results and share conversions directly.
Bazimo GmbH
Track , set alerts, customize forecasts
View 7-day forecasts with today’s max and min temperatures. Check 'feels like' temperature and wind details including speed in multiple units. Track humidity levels and precipitation probability. Customize layout and preferred parameters.
An Truong
Calculate, graph, and solve equations
Solve equations and graph functions with advanced math support. Perform calculus operations and matrix calculations. Access detailed tutorials and a comprehensive user manual. Export results and share calculations.
Shane Anderson
Calculate tool offsets and feed rates
Calculate turning operations with spindle speed, feed rate, and tool engagement angle inputs. Determine cutting time and material removal rates. Convert imperial to metric units. Store and recall frequently used settings.
Calculated Industries, Inc.
Try before you buy with free trial
Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.