Engineering unit converter
Convert the units piping engineers use every day — pressure, length, mass, temperature, flow and stress. Type in any box and the others update.
Handy equivalents
1 bar = 14.504 psi = 100 kPa = 1.0197 kg/cm². 1 MPa = 145.04 psi = 10 bar. 1 inch = 25.4 mm. 1 kg = 2.2046 lb. 1 US gallon = 3.785 L. °F = °C × 9/5 + 32. 1 ksi = 6.895 MPa.
Frequently asked questions
How many psi is 1 bar?
1 bar = 14.504 psi.
How do I convert kg/cm² to bar?
Multiply by 0.98067. 10 kg/cm² ≈ 9.81 bar.
How do I convert MPa to ksi?
Divide by 6.895. 250 MPa ≈ 36.3 ksi.
Last updated 2026-11-02