bar (bar)

bar as a conversion hub: 7 direct pairs, all with the exact factor on the page.

Definition1 bar = 100 kPa exactly

CategoryPressure Converter

Pairs from here7

Pressure Converter

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bar converted to every other unit

bar	kPa	psi	atm	mmHg	inHg	hPa	MPa
1 bar	100	14.503774	0.98692327	750.062	29.52998	1,000	0.1
2 bar	200	29.007548	1.973847	1,500.12	59.05996	2,000	0.2
5 bar	500	72.518869	4.934616	3,750.31	147.65	5,000	0.5
10 bar	1,000	145.038	9.869233	7,500.62	295.3	10,000	1
20 bar	2,000	290.075	19.738465	15,001.23	590.6	20,000	2
50 bar	5,000	725.189	49.346163	37,503.08	1,476.5	50,000	5
100 bar	10,000	1,450.38	98.692327	75,006.16	2,953	100,000	10

All conversions starting from bar

bar to kPa bar to psi bar to atm bar to mmHg bar to inHg bar to hPa bar to MPa

Questions

How do I convert from bar?

Pick the target unit from the table on this page, or open the dedicated pair page — each one carries a converter, a table of common values and the exact factor.

Is bar exact or approximate?

The factor shown (1 bar = 100 kPa) is fixed by definition, so conversions are exact rather than measured.

What is bar used for?

tire pressure and industrial pressure outside the US