These calculators have menus which allow you to choose from a great many input units.
For example, the first calculator offers you the choice of seconds, minutes,
hours, days plus eight other units for inputting time. The velocity
and distance menus also have twelve input choices each.

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Velocity Time and Distance Calculator

Density Mass and Volume Calculator

Flow Rate Calculator
Solves for Volume, Time or Rate.

Flow Rate Calculator 2
Solves for Pipe Diameter, Velocity or Rate.

Energy Calculator
Solves for Mass, Velocity or Energy.

Freqency / Wavelength Calculator
Utilizes the formula f = c / λ to solve for freqency, wavelength and energy.

Kepler's 3rd Law Calculator
Solves for Mass, Radius or Time.

Gasoline Mileage Calculator
Accepts input in miles, kilometers, US gallons, UK gallons, liters, miles per US gallon, miles per UK gallon,
liters per kilometer and liters per 100 kilometers.

Ohm's Law Ultra Calculator
Accepts input and displays output in volts, millivolts, microvolts, amps, milliamps, microamps, ohms,
kilohms, megohms, watts, milliwatts, microwatts.

Escape Velocity Ultra Calculator
Accepts input and displays output in many different units to calculate escape velocity and surface gravity.

