Unit Converters Calculators

11 calculators

Length, weight, temperature, speed, area and number base converters.

• Length ConverterPopularConvert metres, centimetres and kilometres to feet, inches, yards and miles with the exact factor for each pair.
• Area ConverterConvert square metres to square feet, acres to hectares and other land or floor areas with exact factors.
• Data Storage ConverterConvert GB to MB, TB to GB and bytes using the 1024 and 1000 conventions that storage marketing keeps apart.
• Energy ConverterConvert kilocalories to kilojoules, kilowatt-hours to joules and BTU with exact factors for food and power.
• Height ConverterConvert centimetres and metres to feet and inches, with the whole-feet reading (170 cm = 5′ 7″) people search for.
• Number Base ConverterTurn a decimal number into binary, octal and hexadecimal, with worked examples for 255, colour codes and IPs.
• Speed ConverterConvert kilometres per hour to miles per hour, metres per second and knots for runs, drives and flights.
• Temperature ConverterConvert Celsius to Fahrenheit and Kelvin with exact formulas and freezing, boiling and body temperature reference points.
• Time ConverterConvert hours to minutes, days and weeks, with the month and year conventions stated for travel and planning.
• Volume ConverterConvert litres and millilitres to cups, tablespoons, fluid ounces and gallons with exact US and imperial sizes.
• Weight ConverterConvert kilograms to pounds and ounces, grams to ounces and tonnes to stones for parcels, luggage and cargo.