Millibar to Kilopascals
Convert millibar to kilopascals instantly. 1 mbar = 0.1 kPa. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert millibar to kilopascals
To convert millibar to kilopascals, divide by 10 (multiply by 0.1). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
kPa = mbar × 0.1
Millibar to Kilopascals conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Millibar | Kilopascals |
|---|---|
| 1 mbar | 0.1 kPa |
| 2 mbar | 0.2 kPa |
| 3 mbar | 0.3 kPa |
| 5 mbar | 0.5 kPa |
| 10 mbar | 1 kPa |
| 20 mbar | 2 kPa |
| 25 mbar | 2.5 kPa |
| 50 mbar | 5 kPa |
| 100 mbar | 10 kPa |
| 500 mbar | 50 kPa |
| 1,000 mbar | 100 kPa |
What is a millibar?
A thousandth of a bar, the meteorologist's unit for air pressure.
What is a kilopascal?
A thousand pascals. The metric working unit for tyre and system pressures.
The formula
kPa = mbar × 0.1
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Millibar to Kilopascals
- Type the number of millibar you want to convert.
- Read the result in kilopascals straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked kilopascals to millibar page.
Millibar to Kilopascals — frequently asked questions
How many kilopascals are in a millibar?
One millibar equals 0.1 kPa. kPa = mbar × 0.1
What is the formula to convert millibar to kilopascals?
The formula is kPa = mbar × 0.1. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert kilopascals back to millibar?
Divide instead of multiplying: one kilopascal is 10 mbar. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this millibar to kilopascals free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error