Millipascals to Millibars Converter
Enter the pressure in millipascals below to convert it to millibars.
Convert Millipascals to Millibars
Enter a value in millipascals (mPa) to convert to millibars (mbar).
Millipascal to Millibar Conversion Table
Table showing various millipascal measurements converted to millibars. Click any preset value or arrow to load it into the converter.
| Millipascals (mPa) | Millibars (mbar) |
|---|---|
| 1 mPa | 0.00001 mbar |
| 10 mPa | 0.0001 mbar |
| 100 mPa | 0.001 mbar |
| 1,000 mPa | 0.01 mbar |
| 10,000 mPa | 0.1 mbar |
| 100,000 mPa | 1 mbar |
| 1,000,000 mPa | 10 mbar |
| 5,000,000 mPa | 50 mbar |
| 10,000,000 mPa | 100 mbar |
| 25,400,000 mPa | 254 mbar |
How to Convert Millipascals to Millibars
To convert millipascals to millibars, multiply the pressure by the following conversion ratio: 0.00001 millibars/millipascal.
Since one millipascal is equal to 0.00001 millibars, you can use this simple formula to convert:
The pressure in millibars is equal to the pressure in millipascals multiplied by 0.00001.
For example, here's how to convert 5 millipascals to millibars using the formula above.
How Many Millibars Are in a Millipascal?
There are 0.00001 millibars in a millipascal, which is why we use this value in the formula above.
Our millipascal to millibar calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Millipascals and millibars are both units used to measure pressure. Keep reading to learn more about each unit.
What Is a Millipascal?
A millipascal is a unit of pressure equal to 1/1,000 of a pascal (0.001 Pa). One-thousandth of a Pascal. [1]
The millipascal is classified as a metric and SI-compatible unit of pressure. Millipascals can be abbreviated as mPa; for example, 1 millipascal can be written as 1 mPa.
In the metric system, "milli" is the standard SI prefix for thousandths, or 10⁻³. This makes the millipascal (mPa) a convenient decimal multiple of the pascal (Pa).
In practice, millipascals (mPa) are widely used across fine-tolerance laboratory, analytical, and micro-scale pressure measurements within SI metric workflows, engineering documentation, and technical data sheets.
What Is a Millibar?
A millibar is a unit of pressure equal to 100 pascals (Pa), the base unit for pressure. Meteorological pressure unit equal to 1/1000 of a bar (100 Pa = 1 hPa). [2]
The millibar is classified as a metric and SI-compatible unit of pressure. Millibars can be abbreviated as mbar; for example, 1 millibar can be written as 1 mbar.
In the metric system, "milli" is the standard SI prefix for thousandths, or 10⁻³. This makes the millibar (mbar) a convenient decimal multiple of the bar (100,000 Pa).
In practice, millibars (mbar) are widely used across standard pressure applications within SI metric workflows, engineering documentation, and technical data sheets.
When converting pressure between millipascals (mPa) and millibars (mbar), keep full floating-point precision (1 mPa = 0.00001 mbar; 1 mbar = 100,000 mPa) during intermediate calculations and round only the final millibar figure to match your instrument tolerance.
More Millipascal & Millibar Conversions
Need to calculate in the opposite direction? Use our millibars to millipascals calculator to switch your starting unit immediately. You can also explore related tools such as converting millibars to millipascals, converting psi to bars, or converting bars to psi.
Convert from Millipascals
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Millipascals (mPa) to Millibars (mbar)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Millipascal (mPa) & Millibar (mbar)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (mPa to mbar)