UNITCONV

units · physics · constants
digits
format
LENGTH ABS GAUGE SI m
Reference pressure kPa abs ratio — Δ —
Conversions
unitnamevalue1 unit → SI

Click a unit to enter values in it; click a number to copy it (hold Shift to copy the unit too). Arrow keys step the last digit, Shift+arrow steps ten. Arithmetic works in the entry field (2.5*14.7, 3e-4, 2^10). Type a value with its unit and press Enter — 60 mph, 1.8 bar, 212 °F, 3 eV — to land on that unit, changing quantity if needed. / jumps to the filter.

Physical constants
symbolnamevalueunit

Click a symbol to load that value into the converter, or a number to copy it. CODATA 2018 values; exact ones are exact by definition of the SI.