---
title: "Millibars to Pounds per square inch — mbar to psi converter"
description: "1 millibar = 0.014504 pounds per square inch. Conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/millibars-to-psi/
site: "At One Place"
---

# Millibars to pounds per square inch

**1 millibar in pounds per square inch: 1 mbar = 0.014504 psi**

psi = mbar × 0.01450377377

To convert millibars to pounds per square inch, multiply by 0.01450377377. The table below gives the values people look up most often, and the converter works for any number.

## Millibars to pounds per square inch table

*Common millibar values converted to pounds per square inch.*

| Millibars | Pounds per square inch |
| --- | --- |
| 1 mbar | 0.014504 |
| 2 mbar | 0.029008 |
| 3 mbar | 0.043511 |
| 4 mbar | 0.058015 |
| 5 mbar | 0.072519 |
| 10 mbar | 0.14504 |
| 15 mbar | 0.21756 |
| 20 mbar | 0.29008 |
| 25 mbar | 0.36259 |
| 30 mbar | 0.43511 |
| 40 mbar | 0.58015 |
| 50 mbar | 0.72519 |
| 75 mbar | 1.087783 |
| 100 mbar | 1.450377 |
| 250 mbar | 3.625943 |
| 500 mbar | 7.251887 |
| 1,000 mbar | 14.50377 |

## How the conversion works

The relationship is psi = mbar × 0.01450377377. Both units measure pressure, so the conversion is a fixed factor that never changes.

## Common questions

### How many pounds per square inch are in one millibar?

One millibar equals 0.014504 pounds per square inch. psi = mbar × 0.01450377377.

### How do you convert millibars to pounds per square inch?

Use psi = mbar × 0.01450377377. So 10 mbar is 0.14504 psi.

### How many millibars are in one pound per square inch?

One pound per square inch equals 68.94757 millibars, which is the reverse of the conversion above.

## Related pages

- [Pounds per square inch to Millibars](https://atoneplace.net/convert/psi-to-millibars/)
- [Millibars to Pascals](https://atoneplace.net/convert/millibars-to-pascals/)
- [Millibars to Kilopascals](https://atoneplace.net/convert/millibars-to-kilopascals/)
- [Millibars to Bars](https://atoneplace.net/convert/millibars-to-bar/)
- [Millibars to Standard atmospheres](https://atoneplace.net/convert/millibars-to-atmospheres/)
- [Millibars to Torrs](https://atoneplace.net/convert/millibars-to-torr/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)