Common Converters

Convert PSI to Millibars

Use our accurate converter to change psi into millibars. This tool is simple to use and works instantly.

How to Calculate

To change psi to millibars, you just need to know the conversion factor.

Rule: 1 PSI = 68.94757 Millibars

PSI to Millibars
Pre-defined calculator for direct psi to millibars conversion.
PSI (psi)
0
Millibars (mbar)
Formula: 1 PSI = 68.94757 Millibars

Unit Information

About PSI

Definition: Pounds per square inch is a unit of pressure used mostly in the USA.

History: It is based on how much weight is pushing down on a square inch.

Where it is used: Primary unit for car tires and air-powered tools.

PSI to Millibars Conversion Table

PSI [psi]Millibars [mbar]
0.01 psi0.6894757 mbar
0.1 psi6.894757 mbar
1 psi68.94757 mbar
2 psi137.89514 mbar
3 psi206.84271 mbar
5 psi344.73785 mbar
10 psi689.4757 mbar
20 psi1,378.9514 mbar
50 psi3,447.3785 mbar
100 psi6,894.757 mbar
1000 psi68,947.57 mbar

How to Convert PSI to Millibars

Calculation: To convert psi to millibars, multiply the value by the conversion factor (68.94757).

Example: convert 15 psi to mbar:
15 psi = 15 × 68.94757 mbar = 1,034.21355 mbar

PSI to All Pressure Units

Explore all available conversion pairs for psi to other professional pressure metrics.

All Unit Conversion Systems

Access our high-fidelity calculators for other measurement systems and engineering metrics.