Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.
by Steven Ramsay★ 4.824 ratingsUtilities$7.99Data updated 2026-09-08
Calculate for horizontal and vertical cylinders with flat heads, rectangular tanks, and horizontal vessels. Input dimensions and liquid height to get accurate results. Export calculations and share data directly.
The app provides unit conversion for engineering conventions and computations. It covers 18 major categories including mass, length, area, volume, and temperature.
Convert units between feet and inches, miles and kilometers, Celsius and Fahrenheit. Swap units with a button. Access live currency updates for major currencies. View 15 categories with multiple units. Perform calculations with a simple interface.
The app calculates the weight and cost of 3D objects made from various metals. It accepts input in independent units and supports switching between English and metric systems for both input and output.
Convert units across categories like length, area, time, temperature, weight, volume, speed, power, pressure, energy, fabric, and fuel consumption. Switch between US, imperial, and metric systems. Input values and select units for instant conversion.
Convert units across 35 categories including acceleration, angle, area, specific heat, electric charge, and heat transfer. Input values and select units for instant conversion. Save frequently used conversions for quick access.
Create ballistic profiles for rifles and select bullets with verified drag profiles. Calibrate BC, muzzle velocity, and drag functions like G1 or G7. View data in graphs and tables, export or import profiles.
Convert across distance, area, volume, weight, speed, temperature, power, energy, and fuel consumption. Switch between metric, imperial, and other regional systems. Convert height in centimeters to feet and inches.
Calculate bullet drop, wind drift, and elevation for precise shooting. Input custom bullet weight and muzzle velocity. Sync with devices for real-time data. Adjust for windage and elevation. Track performance metrics. Export shot data for analysis.
The app combines range estimation with a ballistics calculator for fast targeting. It offers real-time calculations and supports one-handed operation without manual measurement input.