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Convert data size between bits, bytes, decimal SI units, and binary IEC units.
KB, MB, and GB use powers of 1,000. KiB, MiB, and GiB use powers of 1,024. Keeping these systems separate avoids the common difference between advertised disk size and binary software displays.
Choose a measurement category and two units, then enter any finite positive or negative value allowed by that measurement. Adjust decimal places when the result needs more detail. Swap Units reverses the direction without discarding the current value.
Length · Area · Volume · Weight · Temperature · Speed · Pressure · Energy · Power · Data Storage · Frequency · Time · Angle
Celsius to Fahrenheit · Fahrenheit to Celsius · KG to LBS · LBS to KG · CM to Inches · Inches to CM · KM to Miles · Miles to KM · Liters to Gallons · Gallons to Liters · MB to GB · GB to MB
Calculations run locally. Display precision only changes the visible result; the converter keeps the full JavaScript numeric value for the next calculation.