bar to millibar

Live bar (bar) to millibar (mbar) converter. Plus a 10-value reference table and FAQs.

bar
millibar
1 bar = 1,000mbar

Conversion table

Ten sample values from bar to millibar. Use the converter above for arbitrary values.

bar (bar)→millibar (mbar)
0.001 bar → 1 mbar
0.01 bar → 10 mbar
0.1 bar → 100 mbar
0.5 bar → 500 mbar
1 bar → 1,000 mbar
2 bar → 2,000 mbar
5 bar → 5,000 mbar
10 bar → 10,000 mbar
100 bar → 100,000 mbar
1,000 bar → 1,000,000 mbar

About the bar

100,000 Pa. Diving, hydraulics.

About the millibar

100 Pa. Meteorology.

How bar to millibar conversion works

Both units belong to Pressure. Unitbox first expresses the input in the category reference unit (Pa), then expresses that same quantity in millibar.

The right unit depends on the convention used by your industry, country, instrument, or source document.

Reference value1 bar = 1,000 mbar
CalculationBrowser-side, using Unitbox's shared unit data
Review noteFor safety-critical work, verify against the governing standard or instrument manual.

Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.

Frequently asked questions

Frequently Asked Questions

How do I convert bar to millibar?

Multiply the bar value by 1,000 to get it in millibar. For example, 10 bar = 10,000 mbar.

What is 1 bar in mbar?

1 bar = 1,000 mbar.

What is 100 bar in mbar?

100 bar = 100,000 mbar.

What is the formula?

Linear: multiply by 1,000 (the unit factor ratio).

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