1282 free unit converters
Length, weight, volume, area, speed, data, time, pressure, energy, angle and temperature. Every page includes the formula, a conversion table and a reverse converter. All calculations run in your browser.
240 conversions · m, km, cm, mm, inches…
Weight156 conversions · kg, g, mg, lb, oz…
Volume240 conversions · l, ml, m3, gal, qt…
Area90 conversions · m2, km2, ft2, in2, yd2…
Speed42 conversions · mps, kmh, mph, knots, fps…
Data Storage182 conversions · b, kb, mb, gb, tb…
Time132 conversions · s, min, h, d, wk…
Pressure56 conversions · pa, kpa, bar, psi, atm…
Energy90 conversions · j, kj, cal, kcal, wh…
Angle42 conversions · deg, rad, grad, arcmin, arcsec…
Temperature12 conversions · c, f, k, r…
Why use MarkKit converters
No signup, no upload, no server round-trip. Works offline after the page loads. Standard conversion factors, with a table you can check.