Unit Conversion Reference
Common mechanical engineering conversions for pressure, flow, velocity, area, power, and energy.
Pressure
1 bar = 100 kPa = 1e5 Pa = 14.5038 psi
1 mH₂O ≈ 9.81 kPa
Flow
1 m³/h = 0.27778 L/s = 0.00027778 m³/s
1 GPM ≈ 0.2271 L/s
Velocity
1 m/s = 3.28084 ft/s
1 ft/s = 0.3048 m/s
Area
1 m² = 10.7639 ft²
1 ft² = 0.092903 m²
Power
1 kW = 1.34102 hp
1 hp = 0.7457 kW
Energy
1 kWh = 3.6 MJ
1 MJ = 0.27778 kWh