Hectopascal to Millibar Pressure Converter
Convert Hectopascal (hPa) to Millibar (mbar) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
Millibar to Hectopascal (mbar to hPa) ►
How to convert Hectopascal to Millibar
1 mbar = 100 Pa
1 hectopascal (hPa) is equal to 1 millibar (mbar).
mbar = hPa × 1
Multiply the pressure in hectopascals by 1:
Example: Convert 1013.25 hPa to mbar:
mbar = 1013.25 × 1 = 1013.25 mbar
What is a Hectopascal?
The Hectopascal (hPa) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a Millibar?
The Millibar (mbar) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts pressure from Hectopascal into Millibar. One hPa equals 1 mbar.
Hectopascal to Millibar conversion table
Common hPa values and the matching mbar result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Hectopascal (hPa) | Millibar (mbar) |
|---|---|
| 1 hPa | 1 mbar |
| 10 hPa | 10 mbar |
| 100 hPa | 100 mbar |
| 1013 hPa | 1013 mbar |
| 1000 hPa | 1000 mbar |
| 10000 hPa | 10000 mbar |
How this calculator works
The form on this page is a Hectopascal-to-Millibar converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the mbar result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many mbar are in 1 hPa?
1 hPa = 1 mbar.
How do I convert Hectopascal to Millibar?
Multiply the pressure in hectopascals by 1:
Is this hPa to mbar converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.