Calculate pace, distance, or time for running or walking. Switch between modes quickly. Use metric or imperial units. Access a custom keyboard for fast input. Choose from four themes, including dark modes. No internet or cellular connection needed.
by Geof Crowl★ 4.112 ratingsHealth & FitnessFreeData updated 2026-09-13
The app calculates the stretch needed for tubing strings in oil field applications. Users input desired tension, depth, and tubing size to determine the required stretch.
Calculate between two pipes or a hole and a pipe. Input inside and outside diameters and lengths. Switch between US customary and metric units. Perform calculations for oilfield or general use.
Convert units of length, temperature, mass, and more. Switch between metric and imperial systems. Input values and receive instant, accurate results. Save frequently used conversions for quick access.
Estimate pig using a measuring tape and proven formulas. Switch between imperial and metric units. Sync data across Apple devices via iCloud. Receive haptic feedback for calculations.
The app calculates using dates, times, years, days, hours, minutes, and seconds. It converts between these units and performs addition, subtraction, multiplication, and division.
Calculate maximum based on rate, pressure loss, and diameter. Input elevation changes and select valves & fittings. Display comprehensive results including pressure drop and calculations.