Converters & units
Instant conversions for everyday units and numbers: length, weight, temperature, angles, fuel consumption, data storage, currencies, time zones, Unix timestamps, Roman numerals, numbers to words, and number bases such as binary, decimal and hex.
Type a value and the result updates straight away.
All 45 tools
- Unit ConverterConvert length, weight, temperature, area, volume, speed, data and 10 more categories.
- Currency ConverterConvert 160+ currencies and crypto at today's mid-market rates, with rate history.
- Time Zone ConverterConvert times between cities and time zones, with a meeting planner and daylight saving.
- Epoch ConverterConvert Unix timestamps to dates and back, in any time zone, with a live epoch clock.
- Binary to DecimalConvert binary to decimal with step-by-step working, every base at once and a bit grid.
- Number to WordsSpell out numbers in words — million or lakh/crore, English or Hindi, cheque wording.
- Roman NumeralsConvert numbers and dates to Roman numerals and back, with mistakes explained.
- Angle ConverterConvert degrees, radians, gradians, turns and mils, with degrees-minutes-seconds.
- Fuel Consumption ConverterConvert L/100 km, km/L and US or UK mpg, with inverse units handled correctly.
- TemperatureConvert Celsius, Fahrenheit, Kelvin and Rankine, with the formula and a chart.
- Weight & MassConvert kg, grams, pounds, ounces, stone, tonnes, carats and tola, all at once.
- Length & DistanceConvert metres, km, miles, feet, inches and yards, with feet + inches and fractions.
- Data StorageConvert bytes, KB, MB, GB, TB and PB in decimal or binary units, plus KiB and GiB.
- Number BaseConvert between binary, octal, decimal, hex and any base from 2 to 36, with steps.
- Binary to Hexadecimal ConverterConvert binary to hex with step-by-step working, every base at once and a bit grid.
- Celsius to Fahrenheit ConverterConvert Celsius to Fahrenheit with the formula, chart and every related unit.
- Celsius to Kelvin ConverterConvert Celsius to Kelvin with the formula, chart and every related unit.
- Centimetres to Inches ConverterConvert centimetres to inches with the formula, chart and every related unit.
- Decimal to Binary ConverterConvert decimal to binary with step-by-step working, every base at once and a bit grid.
- Decimal to Hexadecimal ConverterConvert decimal to hex with step-by-step working, every base at once and a bit grid.
- Fahrenheit to Celsius ConverterConvert Fahrenheit to Celsius with the formula, chart and every related unit.
- Feet to Metres ConverterConvert feet to metres with the formula, chart and every related unit.
- Gigabytes to Megabytes ConverterConvert gigabytes to megabytes with the formula, chart and every related unit.
- Gigabytes to Terabytes ConverterConvert gigabytes to terabytes with the formula, chart and every related unit.
- Grams to Ounces ConverterConvert grams to ounces with the formula, chart and every related unit.
- Hexadecimal to Binary ConverterConvert hex to binary with step-by-step working, every base at once and a bit grid.
- Hexadecimal to Decimal ConverterConvert hex to decimal with step-by-step working, every base at once and a bit grid.
- Inches to Centimetres ConverterConvert inches to centimetres with the formula, chart and every related unit.
- Inches to Millimetres ConverterConvert inches to millimetres with the formula, chart and every related unit.
- Kilobytes to Megabytes ConverterConvert kilobytes to megabytes with the formula, chart and every related unit.
- Kilograms to Pounds ConverterConvert kilograms to pounds with the formula, chart and every related unit.
- Kilometres to Miles ConverterConvert kilometres to miles with the formula, chart and every related unit.
- km/h to mph ConverterConvert km/h to mph with the formula, chart and every related unit.
- Pounds to Kilograms ConverterConvert pounds to kilograms with the formula, chart and every related unit.
- Megabytes to Gigabytes ConverterConvert megabytes to gigabytes with the formula, chart and every related unit.
- Megabytes to Kilobytes ConverterConvert megabytes to kilobytes with the formula, chart and every related unit.
- Metres to Feet ConverterConvert metres to feet with the formula, chart and every related unit.
- Miles to Kilometres ConverterConvert miles to kilometres with the formula, chart and every related unit.
- Millimetres to Inches ConverterConvert millimetres to inches with the formula, chart and every related unit.
- mph to km/h ConverterConvert mph to km/h with the formula, chart and every related unit.
- Ounces to Grams ConverterConvert ounces to grams with the formula, chart and every related unit.
- Stone to Kilograms ConverterConvert stone to kilograms with the formula, chart and every related unit.
- Text to ASCII Codes ConverterConvert text to ASCII codes and back, with Base64, URL and HTML entity modes.
- Text to Binary ConverterConvert text to binary and back, with UTF-8, emoji and any separator.
- Text to Hex ConverterConvert text to hexadecimal and back, with UTF-8 and any separator.