Conversions

Bar to Millibar

Convert bar to millibar (bar to mbar). 1 bar = 1,000 mbar. Use the calculator, formula and conversion table.

A quick reference1 bar = 1,000 mbar
Millibar to Bar
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How to convert bar to millibar

Multiply the amount in bar by 1,000 to get millibar. The displayed factor and results are rounded to 12 significant digits.

mbar = bar × 1,000

Worked example

1 bar = 1,000 mbar. Change the amount in the calculator above to use your own value.

Units and assumptions

Uses pascals as the base unit. One standard atmosphere is 101,325 Pa and one bar is 100,000 Pa. Results are rounded for display.

Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.

Bar to Millibar table

Common values, rounded for display
Bar (bar)Millibar (mbar)
00
11,000
55,000
1010,000
2525,000
100100,000
1,0001,000,000

About this conversion

What is the formula for bar to millibar?

mbar = bar × 1,000. Multiply the amount in bar by 1,000 to get millibar. The displayed factor and results are rounded to 12 significant digits.

How do I convert back to bar?

Use the millibar to bar calculator to reverse this conversion. You can also use Swap units in the calculator above.

Can I use a different pair of units?

Choose another unit in the calculator, or open the pressure converter to browse all supported pairs.

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