Bar to Millibar Pressure Converter
Convert Bar (bar) 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 Bar (mbar to bar) ►
How to convert Bar to Millibar
1 bar = 100,000 Pa
1 mbar = 100 Pa
1 bar (bar) is equal to 1000 millibar (mbar).
mbar = bar × 1000
Multiply the pressure in bars by 1000:
Example: Convert 1 bar to mbar:
mbar = 1 × 1000 = 1000 mbar
What is a Bar?
The Bar (bar) 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 Bar into Millibar. One bar equals 1000 mbar.
Bar to Millibar conversion table
Common bar 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.
| Bar (bar) | Millibar (mbar) |
|---|---|
| 0.01 bar | 10 mbar |
| 0.1 bar | 100 mbar |
| 1 bar | 1000 mbar |
| 2 bar | 2000 mbar |
| 10 bar | 10000 mbar |
| 100 bar | 100000 mbar |
How this calculator works
The form on this page is a Bar-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 bar?
1 bar = 1000 mbar.
How do I convert Bar to Millibar?
Multiply the pressure in bars by 1000:
Is this bar 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.