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Pounds per Square Inch to Millibars Converter

Convert pounds per square inch (psi) to millibars (mbar), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter a pressure, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

A number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
The unit you want the answer in. Swap exchanges the two units.
Result
68.9475729317 mbar
pascals
6,894.75729317 Pa
hectopascals
68.9475729317 hPa
kilopascals
6.89475729317 kPa
megapascals
0.00689475729317 MPa
standard atmospheres
0.0680459639099 atm
bars
0.0689475729317 bar
kilograms-force per square centimeter
0.0703069579639 kgf/cm²
kilograms-force per square meter
703.069579639 kgf/m²
pounds per square foot
144 psf
torr
51.7149325715 Torr
millimeters of mercury (conventional)
51.7149252039 mmHg
inches of mercury (conventional)
2.03602067732 inHg

1 psi = 68.9475729317 mbar

Show the working
  1. 1 psi = 68.9475729317 mbar
  2. 1 × 68.9475729317 = 68.9475729317 mbar

How to convert pounds per square inch to millibars

1 psi = 68.9475729317 mbar, so multiply by 68.9475729317 to go from pounds per square inch to millibars. Going the other way, 1 mbar = 0.014503773773 psi.

mbar = psi × 68.9475729317
psi = mbar × 0.014503773773

Worked example:

1 psi = 68.9475729317 mbar
5 × 68.9475729317 = 344.737864658 mbar

Pounds per Square Inch to millibars table

Pounds per Square InchMillibars
1 psi68.9475729317 mbar
2 psi137.895145863 mbar
3 psi206.842718795 mbar
4 psi275.790291727 mbar
5 psi344.737864658 mbar
6 psi413.68543759 mbar
7 psi482.633010522 mbar
8 psi551.580583453 mbar
9 psi620.528156385 mbar
10 psi689.475729317 mbar
15 psi1,034.21359398 mbar
20 psi1,378.95145863 mbar
25 psi1,723.68932329 mbar
30 psi2,068.42718795 mbar
40 psi2,757.90291727 mbar
50 psi3,447.37864658 mbar
75 psi5,171.06796988 mbar
100 psi6,894.75729317 mbar
250 psi17,236.8932329 mbar
500 psi34,473.7864658 mbar
1000 psi68,947.5729317 mbar

About the units

Pounds per Square Inch (psi)
Pounds per square inch, a US customary unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
Millibars (mbar)
Millibars, a metric unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.

Formula version 0.1.0Reviewed