Unit Conversions for Engineers
Engineering work constantly crosses the boundary between metric and imperial units. Whether you are reviewing specifications from an international supplier, converting material properties between standards, or translating between SI and US customary units for a drawing, having reliable conversion tools saves time and prevents costly errors.
Most Used Conversions
Pressure Converter
PSI, bar, kPa, atm
Force ConverterNewtons, lbf, kgf
Torque ConverterN·m, ft·lbf, in·lbf
Power ConverterWatts, HP, BTU/hr
Energy ConverterJoules, BTU, kWh, calories
Length Convertermm, inches, meters, feet
Temperature Converter°C, °F, K
Density Converterkg/m³, lb/ft³, g/cm³
Acceleration Converterm/s², ft/s², g
Digital Storage ConverterKB, MB, GB, TB
Dynamic ViscosityPa·s, cP, lb/(ft·s)
Frequency ConverterHz, kHz, MHz, GHz
Quick Reference: Pressure
| PSI | Bar | kPa | atm |
|---|---|---|---|
| 14.7 | 1.013 | 101.3 | 1.000 |
| 50 | 3.447 | 344.7 | 3.401 |
| 100 | 6.895 | 689.5 | 6.805 |
| 500 | 34.47 | 3,447 | 34.02 |
| 1,000 | 68.95 | 6,895 | 68.05 |
Quick Reference: Torque
| N·m | ft·lbf | in·lbf |
|---|---|---|
| 1 | 0.738 | 8.851 |
| 10 | 7.376 | 88.51 |
| 50 | 36.88 | 442.5 |
| 100 | 73.76 | 885.1 |
| 500 | 368.8 | 4,425 |