Unit Converter

Unit Converter is a free tool which enables conversion among more than 100 built-in engineering units of measurements.

Unit Converter enables any user to quickly convert any unit of measurement or any combination of units—into another unit in just a few simple steps. Choose from a list of over 100 unique units for approximately 90 properties. Plus:

Automatically calculate complex values you want to convert using the input value field which supports mathematical operators and functions, including trigonometric functions.

Adjust the precision level and display of your converted measurements in Decimal and Scientific Notation.

Interactive keyboard speeds your workflow and minimizes typing errors.

Choose from U.S. Custom and metric units.

A simple and friendly unit converter with a clean user interface.

Convert length units, weight, volume, area units like acre and square meters, temperature and time.

Quickly converts units:

• Length: mile, yard, foot, mile, meter, decimeter, centimeter and millimeter.

• Weight: lb, oz, milligram, gram, kilogram and tonne.

• Temperature: celsius, farenheit, kelvin, rankine, newton, Reaumur and Romer.

• Volume: Gallon, fluid ounces, cubic meter and liter.

• Area: hectare, square meter and square foot.

• Time: nanosecond, microsecond, millisecond, second, minute, hour, day, week, month, year.

• Speed: meter per second, miles per hour, kilometers per hour, foot per second, knot, mile per second, miles per second, the speed of light and speed of sound.

• Pressure: pound / square inch, pound / square foot, atmosphere, bar, inches of mercury, centimeter of mercury, kg / square meter and pascal.