Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.
by Greenheck Fan Corporation★ 3.03 ratingsUtilitiesFreeData updated 2026-09-08
The app calculates pressure losses in piping systems for engineers and contractors. It supports US and SI units, includes a pipe material library, and a fittings database for total system pressure loss calculations.
Record calculations and automatically generate memos with formatted text. Edit and save notes directly. View calculations with clear commas and a large + button. Sync memos across devices. Share notes via email or cloud services.
Calculate dimensions, convert units, and perform angle and rafter measurements. Estimate material quantities and layout stairs. Input measurements for precise calculations. Save and reuse formulas for repeated tasks.
Calculate and engineering parameters with 134 formulas. Input values to compute force, friction, acceleration, work, power, and more. Access definitions and formulas for each calculation. First 5 calculators are free; others require in- purchase.
The app calculates auger filler tooling size based on product density and target weight. Users can adjust auger size, RPM, and acceleration for fine-tuning.
The app calculates Ohm's law and power law relationships. Users can fix two electrical parameters to calculate the other two, allowing for rapid "what-if" recalculations.
Allows users to measure and calculate dimensions using feet, inches, and sixteenths. Input tape measure data directly for accurate conversions. Calculate angles and verify corners without manual calculations.
Kunshan Nianyueri Information Technology Co., Ltd.
Calculate arc tangents and program parts
Calculate tangent points for arcs and generate real-time machining programs. Support cutter compensation and common part structures. Measure and program standard machining operations.
Calculate fluid flow or determine Cv values by selecting media and inputting data. Use actuator with Numasizing® technology for cylinder types. Access conversion calculators and find nearby distributors.
BulletFlight provides real-time ballistic solutions for shooting accuracy. Input weather data including temperature, pressure, humidity, wind speed, and direction. Calculate drop and wind drift adjustments.
Calculate area and cost based on entered dimensions or house size. Input measurements to get automatic estimates. Export results for reference and share with professionals.
Buoyancy Calculator determines buoyancy force of PVC pipe during construction and post-installation. Users select pipe type from dropdowns, input specific gravity, and calculate buoyancy. Results can be printed.
Calculate payments for home purchases or refinances. Input loan amount, interest rate, and term to determine monthly payments. Select between purchase or refinance options. Share results via email or copy the payment amount.
Calculate footage by entering length and width for multiple rectangles. Support measurements in , inches, or both. Export calculations as CSV for further use.