Unit Converters
Convert length, weight, temperature, area, volume, speed, data, pressure, energy, fuel economy, angle, and more — instantly and accurately.
All Unit Converters
Click any tool below to start converting instantly.
Age Calculator
Calculate your exact age in years, months, and days.
Open Tool →Kilograms to Pounds
Convert kilograms to pounds instantly.
Open Tool →BMI Calculator
Calculate Body Mass Index from height and weight.
Open Tool →Length Converter
Convert cm, m, km, inch, foot, mile and more.
Open Tool →Temperature Converter
Convert Celsius, Fahrenheit, Kelvin.
Open Tool →Area Converter
Convert m², ft², acre, hectare, marla, kanal.
Open Tool →Volume Converter
Convert litre, gallon, ml, cup, pint, fluid oz.
Open Tool →Speed Converter
Convert km/h, mph, knots, m/s, ft/s.
Open Tool →Time Converter
Convert seconds, minutes, hours, days, years.
Open Tool →Data Storage Converter
Convert KB, MB, GB, TB, KiB, MiB, GiB.
Open Tool →Data Rate Converter
Convert Mbps, MB/s, Gbps, KB/s.
Open Tool →Pressure Converter
Convert bar, psi, kPa, atm, mmHg.
Open Tool →Energy Converter
Convert J, cal, kWh, BTU, Wh.
Open Tool →Power Converter
Convert W, kW, HP, BTU/h.
Open Tool →Fuel Economy Converter
Convert mpg, km/L, L/100km.
Open Tool →Angle Converter
Convert degrees, radians, gradians.
Open Tool →Number Base Converter
Convert binary, octal, decimal, hex.
Open Tool →Roman Numeral Converter
Convert numbers to Roman numerals and back.
Open Tool →Base64 Encoder/Decoder
Encode and decode Base64 text.
Open Tool →Number to Words
Convert numbers to words for cheques.
Open Tool →Percentage Calculator
Calculate % of, % change, increase, decrease.
Open Tool →Loan / EMI Calculator
Calculate EMI, total interest, total payment.
Open Tool →GST / VAT Calculator
Add or remove GST/VAT, apply discounts.
Open Tool →Date Difference Calculator
Calculate days between any two dates.
Open Tool →Shoe Size Converter
Convert US, UK, EU shoe sizes.
Open Tool →Weight Converter
Convert kg, lb, oz, g, stone, tonne.
Open Tool →About Unit Conversion
Unit converters translate measurements between different systems — metric to imperial, decimal to binary, Celsius to Fahrenheit. Our free tools use exact conversion factors defined by international standards (SI, NIST, ISO) so your results are always accurate.
Length & Distance
Metres, kilometres, inches, feet, yards, miles, nautical miles.
Weight & Mass
Kilograms, pounds, ounces, grams, stones, tonnes.
Temperature
Celsius, Fahrenheit, Kelvin — including absolute zero.
Data & Digital
KB, MB, GB, TB, KiB, MiB, GiB, plus transfer rates (Mbps ↔ MB/s).
Area & Volume
Square metres, acres, hectares, marla, kanal, litres, gallons, cups.
Finance & Numbers
Loan EMI, GST/VAT, percentages, Roman numerals, base conversion, cheque writing.
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Frequently Asked Questions
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