Common Converters

Convert Millibars to PSI

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

How to Calculate

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

Rule: 1 Millibars = 0.0145037744 PSI

Millibars to PSI
Pre-defined calculator for direct millibars to psi conversion.
Millibars (mbar)
0
PSI (psi)
Formula: 1 Millibars = 0.01450377 PSI

Unit Information

About Millibars

Definition: A millibar is equal to 1/1000 of a bar.

History: It was the main unit used in weather reporting for a long time.

Where it is used: Still used by some weather tools and on older sensors.

Millibars to PSI Conversion Table

Millibars [mbar]PSI [psi]
0.01 mbar0.0001450377 psi
0.1 mbar0.0014503774 psi
1 mbar0.0145037744 psi
2 mbar0.0290075488 psi
3 mbar0.0435113232 psi
5 mbar0.0725188719 psi
10 mbar0.1450377439 psi
20 mbar0.2900754878 psi
50 mbar0.7251887195 psi
100 mbar1.450377439 psi
1000 mbar14.5037743897 psi

How to Convert Millibars to PSI

Calculation: To convert millibars to psi, multiply the value by the conversion factor (0.0145037744).

Example: convert 15 mbar to psi:
15 mbar = 15 × 0.0145037744 psi = 0.2175566158 psi

Millibars to All Pressure Units

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

All Unit Conversion Systems

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