Unit & Currency Converters

Length, weight, temperature, data, currency. · 25 tools

Area ConverterConvert square feet, square metres, acres, hectares, gaj, cent, guntha, marla, kanal and bigha.Length ConverterConvert between metres, kilometres, inches, feet, yards, miles, nautical miles and more.Temperature ConverterConvert Celsius, Fahrenheit, Kelvin, Rankine and Réaumur, including temperature differences and reference points.Weight ConverterConvert kilograms, grams, pounds, ounces, stones, tonnes, troy ounces, carats and tola with exact factors.Angle ConverterConvert degrees, radians, gradians, arcminutes, arcseconds, turns and mils, and switch between DMS and decimal degrees.Blood Sugar ConverterConvert blood glucose readings between mg/dL and mmol/L, with a general reference range for fasting or post-meal readings. Not medical advice.Cooking Measurement ConverterConvert between kitchen volume units (tsp, tbsp, cup, ml, fl oz...) and get an approximate weight in grams for a chosen ingredient.Currency ConverterConvert an amount between 16 major currencies using approximate reference rates. For rough estimates only — check a live rate before transacting.Data Storage ConverterConvert bits, bytes, KB, MB, GB, TB and PB, plus binary KiB, MiB, GiB and TiB, without mixing up 1000 and 1024.Data Transfer Rate ConverterConvert Mbps, Gbps, MB/s, KB/s and MiB/s, and estimate how long a download or upload will take.Density ConverterConvert kg/m³, g/cm³, g/mL, kg/L, lb/ft³, lb/in³ and lb/gal, with typical densities of common materials.Energy ConverterConvert joules, kilojoules, calories, kcal, kWh, BTU, therms, electronvolts and foot-pounds instantly.Force ConverterConvert newtons, kilonewtons, kilogram-force, pound-force, kips, dynes and poundals with exact factors.Frequency ConverterConvert Hz, kHz, MHz, GHz, rpm, BPM and rad/s, and turn frequency into period or radio wavelength.Fuel Economy ConverterConvert km/L, L/100 km, US mpg and UK mpg correctly, including inverse units, and work out fuel for a trip.Lakh/Crore ConverterConvert any number between the Indian numbering system (lakh, crore) and the international system (thousand, million, billion).Number to Words ConverterSpell out any number in full English words, in either the international system (thousand, million, billion) or the Indian system (lakh, crore).Power ConverterConvert watts, kilowatts, horsepower (hp, PS, electrical), BTU/h, tons of refrigeration and kcal/h.Pressure ConverterConvert psi, bar, kPa, Pa, atm, mmHg, torr, inHg, kgf/cm² and inches of water with exact or conventional factors.Shoe Size ConverterConvert shoe sizes between US, UK, EU and foot length in cm for men’s, women’s and kids’ sizing, using widely published conversion charts.Speed ConverterConvert km/h, mph, m/s, knots, feet per second and Mach, and turn a speed into running pace.Time to Decimal Hours ConverterConvert a clock duration (H:MM:SS) to decimal hours for timesheets and billing, or convert decimal hours back to a clock duration.Time Unit ConverterConvert nanoseconds to millennia: seconds, minutes, hours, days, weeks, months and years, with a duration breakdown.Torque ConverterConvert N·m, lbf·ft, lbf·in, kgf·m, kgf·cm, N·cm and ozf·in for bolts, engines and motors.Volume ConverterConvert litres, millilitres, cubic metres, US and imperial gallons, pints, cups, fluid ounces and barrels.

Convert between metric, imperial and US customary units for length, weight, volume, temperature, speed, pressure, energy, digital storage and more. Conversion factors come from SI and NIST definitions, and results use precision you can adjust.

The currency converter uses daily reference rates published by the European Central Bank, and every other converter works offline once the page has loaded.

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