Conversions Calculators

Convert between various units of measurement.

Quickly convert any fraction into its equivalent percentage value with one click.

Convert a decimal value into inches and a simplified fraction for precise measurements.

Perform arithmetic on imperial length measurements (add, subtract, multiply, or divide).

Translate numbers to Roman numerals and back for values between 1 and 3,999.

A versatile tool for converting length, weight, temperature, area, volume, and speed.

Convert between various digital data storage units, from bits and bytes to petabytes.

Convert data transfer speeds, like megabits per second (Mbps) to megabytes per second (MB/s).

A simple and fast converter for various units of time, from seconds to years (approximate).

Convert between different units of energy, such as Joules, calories, and kWh.

Convert between various units of pressure, including Pascal (Pa), bar, atmosphere (atm), and psi.

A tool for converting between different units of power, such as watts (W), kilowatts (kW), and horsepower (hp).

Quickly convert angles between degrees and radians for math, physics, and engineering.

Convert fuel efficiency units between Miles Per Gallon (MPG) and Liters per 100 kilometers (L/100km).