Pressure

Kilopascals to Millibar

Convert kilopascals to millibar instantly. 1 kPa = 10 mbar. Includes the exact factor, a conversion table of common values and the definition of both units.

kPa
Millibar
One step, one exact factorKilopascalswhat you have× 10Millibarwhat you getBoth units are defined against the same base unit, so the factor is exact — never an approximation.

How to convert kilopascals to millibar

To convert kilopascals to millibar, multiply by 10. 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.

mbar = kPa × 10

Kilopascals to Millibar conversion table

The values people look up most often, rounded for reading. Use the calculator above for anything in between.

KilopascalsMillibar
1 kPa10 mbar
2 kPa20 mbar
3 kPa30 mbar
5 kPa50 mbar
10 kPa100 mbar
20 kPa200 mbar
25 kPa250 mbar
50 kPa500 mbar
100 kPa1,000 mbar
500 kPa5,000 mbar
1,000 kPa10,000 mbar

What is a kilopascal?

A thousand pascals. The metric working unit for tyre and system pressures.

What is a millibar?

A thousandth of a bar, the meteorologist's unit for air pressure.

The formula

mbar = kPa × 10

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 Kilopascals to Millibar

  1. Type the number of kilopascals you want to convert.
  2. Read the result in millibar straight away — there is no button to press.
  3. Check the table below for the values that come up most often, or reverse the conversion with the linked millibar to kilopascals page.

Kilopascals to Millibar — frequently asked questions

How many millibar are in a kilopascal?

One kilopascal equals 10 mbar. mbar = kPa × 10

What is the formula to convert kilopascals to millibar?

The formula is mbar = kPa × 10. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.

How do I convert millibar back to kilopascals?

Divide instead of multiplying: one millibar is 0.1 kPa. 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 kilopascals to millibar 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

This page answers each of these searches. They are the exact phrases visitors use to find the kilopascals to millibar.

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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