millibars to hectopascals Converter
Convert millibars to hectopascals instantly with a reference table.
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How to convert millibars to hectopascals
Enter your value
Type the number of millibars you want to convert into the left box. The result in hectopascals appears instantly in the right box. You can also type into the right box to convert in the other direction.
Use the swap button
Click the ⇄ Swap button to reverse the conversion — hectopascals to millibars. Your current value carries across so you don't have to re-enter anything.
About millibars and hectopascals
millibars and hectopascals are both pressure measurements.
1 mbar = 1 hPa exactly. The millibar and hectopascal are identical units — hPa was introduced in 1992 to replace mbar for official meteorology (hPa is SI-compliant; mbar is not). Your weather forecast's 'pressure' in hPa and 'millibars' are the same number.
Frequently asked questions
How do I convert millibars to hectopascals?
Use the calculator above to convert millibars to hectopascals instantly.
How many hectopascals are in 1 millibars?
Use the calculator above to find the exact conversion.
Is the millibars to hectopascals converter free?
Yes, the millibars to hectopascals converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.