Length units converter - converts units between kilometers, meters, decimeters, angstroms, miles, feet, inches, american/imperial units, nautical (sea) units and astronomical units
Mass (weight) units converter - converts units between metric (tons, kilograms, etc.), Avoirdupois/US (pounds, ounces) and troy systems
Online calculator for momentum. Computes values of momentum, mass or velocity using the momentum formula.
Speed (velocity) units converter - converts units between metric (kilometres per hour, meters per second and many more), british-american (miles per hour, foot per second and many more), nautical (knots) and some other (machs, speed of light etc.)
Converter of volume units (also capacity units). Supports 110+ different units used over the world. Gallons, litres, cubic meters, pints, barrels and 100+ other !
Energy units converter. Converts joules, calories, many physical, british, american and time related units.
Temperature units converter. Easy conversion of Kelvin, Celsius, Fahrenheit, Rankine and other temperature related (heat) units.
Power units converter. This calculator converts between horsepower, wats and over a dozen other power units.
A metric units prefixes (SI prefixes).
Online calculator for velocity. Computes values of velocity, distance or time using the average velocity formula.
Calculator decodes parameters of the resistor (resistance value, tolerance, temperature coefficient) painted as colored bands on the resistor and vice versa.