Showing 1–20 of 1,000 ranked alternatives.
Dri-Eaz Products, Inc.
Calculate GPP from temperature and humidity
Calculate drying environment variables by entering temperature and relative humidity to determine grains per pound. Access advanced features for vapor pressure and dew point calculations. Switch between Fahrenheit and Celsius units.
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.
Phan Nhat Đang
Calculate dew with temperature and humidity inputs
Calculate dew temperature using air temperature and relative humidity. Convert results to Kelvin, Celsius, or Fahrenheit. Input values manually for accurate calculations.
Greenheck Fan Corporation
Calculate fan laws and size ducts
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.
Ratha Sou
Calculate in portrait, science in landscape
Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.
Wassim Murr
Size ducts by friction rate or velocity
Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.
Resideo Technologies, Inc.
Automate homes and buildings
Control climate, security, and energy usage through a single interface. Adjust thermostat settings, monitor door and window status, and receive alerts. Manage devices and view energy consumption data.
Alan Mrvica
Swap currency with a single button press
Convert across 12 categories including area, currency, data, distance, temperature, and time. Swap by pressing a button on the keypad. View live currency updates for 155 world currencies every 15 minutes. Supports iPad Split View.
Hoang Tue
Calculate BMI, calories, and heart rate
Calculate BMI, daily calorie needs, target heart rate zones, blood volume, water intake, ideal weight, pregnancy due date, ovulation period, and blood donation eligibility.
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