Prefix converters
SI prefix converters
Every prefix pair around milli and micro, each with its own calculator, formula, and exact table. Prefixes are whole powers of ten, so none of these conversions rounds.
Prefix pairs
Main toolMilli to micro1 m = 1,000 µ — multiply by 1,000. Full converter with 27 unit categories.Deci to milli1 d = 100 m — multiply by 100.Centi to milli1 c = 10 m — multiply by 10.Centi to micro1 c = 10,000 µ — multiply by 10,000.Milli to centi1 m = 0.1 c — divide by 10.Milli to nano1 m = 1,000,000 n — multiply by 1,000,000.Milli to base unit1 m = 0.001 unit — divide by 1,000.Micro to milli1 µ = 0.001 m — divide by 1,000.Micro to nano1 µ = 1,000 n — multiply by 1,000.Micro to base unit1 µ = 0.000001 unit — divide by 1,000,000.Nano to milli1 n = 0.000001 m — divide by 1,000,000.Nano to micro1 n = 0.001 µ — divide by 1,000.Base unit to milli1 unit = 1,000 m — multiply by 1,000.Base unit to micro1 unit = 1,000,000 µ — multiply by 1,000,000.
More prefix pairs
Less commonly looked up, but the math is the same — a whole power of ten in each direction.
Deci to centiDeci to microDeci to nanoDeci to picoDeci to base unitCenti to deciCenti to nanoCenti to picoCenti to base unitMilli to deciMilli to picoMicro to deciMicro to centiMicro to picoNano to deciNano to centiNano to picoNano to base unitPico to deciPico to centiPico to milliPico to microPico to nanoPico to base unitBase unit to deciBase unit to centiBase unit to nanoBase unit to picoFull SI prefix chart (quetta → quecto)