Area Converter
Convert area between square meters, acres, hectares, and more.
Open toolConverter collection
Converters
Unit and number converters for quick, accurate transformations.
Binary-Decimal Converter
Convert between binary and decimal formats.
Open toolData Storage Converter
Convert bytes, KB, MB, GB, and TB.
Open toolDecimal-Hex Converter
Convert decimal numbers to hexadecimal and back.
Open toolEnergy Converter
Convert joules, kilojoules, calories, BTU, and kWh.
Open toolLength Converter
Convert meters, kilometers, feet, miles, and inches.
Open toolNumber to Words Converter
Spell out whole numbers in plain English text.
Open toolPressure Converter
Convert Pa, kPa, bar, atm, and PSI values.
Open toolRoman Numeral Converter
Convert integers to Roman numerals and Roman numerals to integers.
Open toolSpeed Converter
Convert mph, kph, knots, and meters per second.
Open toolTemperature Converter
Convert Celsius, Fahrenheit, and Kelvin.
Open toolTime Converter
Convert seconds, minutes, hours, days, and weeks.
Open toolVolume Converter
Convert liters, gallons, milliliters, cups, and cubic meters.
Open toolWeight Converter
Convert kilograms, grams, pounds, and ounces with precision control and live comparison.
Open toolPopular conversions
Jump straight to a dedicated converter with the formula and a full conversion table.
kg to lblb to kgg to ozoz to goz to lblb to ozst to kgkg to stst to lbcm to inin to cmmm to inin to mmm to ftft to mkm to mimi to kmm to ydyd to mft to cmcm to ftft to inin to ft°C to °F°F to °CL to galgal to LmL to fl ozfl oz to mLcup to mLmL to cuptsp to mLtbsp to mLtbsp to tspcup to fl ozfl oz to cupL to mLmL to Lkm/h to mphmph to km/hkn to mphmph to kn°C to KK to °Chr to minmin to hrd to hrsq ft to m²m² to sq ftac to haha to acac to sq ftGB to MBMB to GBTB to GBbar to psipsi to barcal to kJkJ to cal