Unit Converter — Extended (US/UK/Metric, Data: Decimal/Binary/IEC)
Convert length, area, volume, weight, temperature, speed, pressure (psi/mmHg/inHg/cmH2O), energy (Wh/kWh/BTU/eV/therm/toe), power (hp/PS), data (decimal, binary, IEC), frequency/RPM, angle (turn/mil NATO), fuel economy and more — fast and private.
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cm → in
km → mi
kg → lb
L → gal (US)
L → gal (UK)
km/h → mph
bar → psi
MB (decimal) → GB
L/100 km → mpg (US)
Notes: Avoid non-constant units like month/year. Volumes include US liquid & UK imperial + metric cups (200/250 mL) and US legal cup (240 mL). Data covers Decimal (1000), Binary (1024), and IEC (KiB/MiB/GiB).
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