Kilopascals to Millibars Converter
Enter the pressure in kilopascals below to convert it to millibars.
Convert Kilopascals to Millibars
Enter a value in kilopascals (kPa) to convert to millibars (mbar).
Kilopascal to Millibar Conversion Table
Table showing various kilopascal measurements converted to millibars. Click any preset value or arrow to load it into the converter.
How to Convert Kilopascals to Millibars
To convert kilopascals to millibars, multiply the pressure by the following conversion ratio: 10 millibars/kilopascal.
Since one kilopascal is equal to 10 millibars, you can use this simple formula to convert:
The pressure in millibars is equal to the pressure in kilopascals multiplied by 10.
For example, here's how to convert 5 kilopascals to millibars using the formula above.
How Many Millibars Are in a Kilopascal?
There are 10 millibars in a kilopascal, which is why we use this value in the formula above.
Our kilopascal to millibar calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Kilopascals and millibars are both units used to measure pressure. Keep reading to learn more about each unit.
What Is a Kilopascal?
A kilopascal is a unit of pressure equal to 1,000 pascals (Pa), the base unit for pressure. Equal to 1,000 Pascals (1 kN/m²). [1]
The kilopascal is classified as a metric and SI-compatible unit of pressure. Kilopascals can be abbreviated as kPa; for example, 1 kilopascal can be written as 1 kPa.
In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilopascal (kPa) a convenient decimal multiple of the pascal (Pa).
In practice, kilopascals (kPa) are widely used across large-scale industrial, bulk, and macro-level pressure specifications 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 kilopascals (kPa) and millibars (mbar), keep full floating-point precision (1 kPa = 10 mbar; 1 mbar = 0.1 kPa) during intermediate calculations and round only the final millibar figure to match your instrument tolerance.
More Kilopascal & Millibar Conversions
Need to calculate in the opposite direction? Use our millibars to kilopascals calculator to switch your starting unit immediately. You can also explore related tools such as converting millibars to kilopascals, converting kilopascals to psi, or converting kilopascals to bars.
Convert from Kilopascals
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Kilopascals (kPa) to Millibars (mbar)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Kilopascal (kPa) & Millibar (mbar)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (kPa to mbar)