Web Conversion Online features a largest collection of conversion calculators, converters for Metric and English units.

Conversion between nearly 225 different Metric, English, local and Imperial weight and mass units. Support wide range of units used locally in European, Asian and American continents.

Use Numbers Conversion Wizard Instead? How to use this calculator... Use current calculator (page) to convert Numbers from Decimal to Hexadecimal. Simply enter number and click ‘Convert’. Both …

Use Date Conversion Wizard Instead? How to use this calculator... Use current calculator (page) to convert date from Gregorian to Hijri calendar. Simply enter date in a valid calendar/date format and …

Conversion between different angle measurement units. Support conversions between Radian, Degree, Gradient, Minutes, Seconds, Point, Mil, Circle, 1/16 Circle, 1/10 Circle, 1/8 Circle, 1/6 Circle, 1/4 …

Conversion between nearly 95 different Metric, English, Imperial volume units. Support conversions between Liter, Kiloliter, Centiliter, Barrel, Bushel, Fluid ounce, Gallon, Pint, Pipe, Quart, Drum, Cubic …

Conversion between Metric, English, Imperial temperature units. Support conversions between Celsius, Fahrenheit, Kelvin, Rankine, Delisle, Newton, Réaumur, Rømer.

For conversion to different Weight units, select required units from the dropdown list (combo), enter quantity and click convert For very large or very small quantity, enter number in scientific notation, …

Use Volume Flow Rate Conversion Wizard Instead? How to use this calculator... Use current calculator (page) to convert Volume Flow Rate from Million Gallon (US)/day to Cubic Foot/second. Simply enter …

For conversion to different Length units, select required units from the dropdown list (combo), enter quantity and click convert For very large or very small quantity, enter number in scientific notation, …