Millibar to Pound/sq inch Converter
Convert Millibar (mbar) to Pound/sq inch (psi) instantly. 1 mbar = 0.014504 psi.
Pressure Converter
29 units available
1 mbar = 0.014504 psi
Formula:
psi = mbar × 0.0145037738With your value: 1 mbar = 0.01450377 psi
Other Millibar to Pound/sq inch conversions
Millibar to Pound/sq inch Conversion Table
| Millibar (mbar) | Pound/sq inch (psi) |
|---|---|
| 0.5 | 0.007252 |
| 1 | 0.014504 |
| 2 | 0.029008 |
| 5 | 0.072519 |
| 10 | 0.145038 |
| 15 | 0.217557 |
| 20 | 0.290075 |
| 25 | 0.362594 |
| 50 | 0.725189 |
| 100 | 1.450377 |
| 250 | 3.625943 |
| 500 | 7.251887 |
| 1000 | 14.503774 |
Pound/sq inch to Millibar Conversion Table
| Pound/sq inch (psi) | Millibar (mbar) |
|---|---|
| 0.5 | 34.473786 |
| 1 | 68.947573 |
| 2 | 137.895146 |
| 5 | 344.737865 |
| 10 | 689.475729 |
| 15 | 1,034.213594 |
| 20 | 1,378.951459 |
| 25 | 1,723.689323 |
| 50 | 3,447.378647 |
| 100 | 6,894.757293 |
| 250 | 17,236.893233 |
| 500 | 34,473.786466 |
| 1000 | 68,947.572932 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Millibar (mbar)
Pressure
Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Pound/sq inch (psi)
Pressure
1 psi = 1 lbf/in² = 6894.757 293 168 361 Pa exactly.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Millibar to Pound/sq inch
To convert from Millibar (mbar) to Pound/sq inch (psi), multiply the value by 0.0145037738.
Formula: psi = mbar × 0.0145037738
Reverse: mbar = psi × 68.9475729317
Step-by-Step Example
- Start with your value in Millibar. For example: 5 mbar
- Multiply by the conversion factor: 5 x 0.0145037738
- The result is: 0.072519 psi
About Millibar
The millibar (mbar) is a unit of pressure and stress. One millibar equals 100 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: pressure calculations, engineering and science, education.
About Pound/sq inch
Pounds per square inch (psi) is an imperial unit of pressure widely used in the US for tire pressure, hydraulics, and engineering.
Common uses: tire pressure (US), hydraulics, HVAC.
Frequently Asked Questions
How many Pound/sq inch are in 1 Millibar?
There are exactly 0.0145037738 Pound/sq inch in 1 Millibar. This means the conversion factor from Millibar to Pound/sq inch is 0.0145037738.
What is the formula to convert Millibar to Pound/sq inch?
The formula to convert Millibar to Pound/sq inch is: psi = mbar × 0.0145037738. For example, to convert 10 Millibar to Pound/sq inch, you would multiply 10 by 0.0145037738.
What is a Millibar?
The millibar (mbar) is a unit of pressure and stress. One millibar equals 100 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Pound/sq inch?
Pounds per square inch (psi) is an imperial unit of pressure widely used in the US for tire pressure, hydraulics, and engineering.
What are the common uses of Millibar?
The Millibar is commonly used in pressure calculations, engineering and science, education.
Related Pressure Conversions
Cite this page
UnitConvertLab. (2026). Millibar to Pound/sq inch converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/millibar-to-psi