100 millimeters of mercury to millibars

100 mmHg = 133.32 mbar. Change the amount below, or read the formula and the reference table further down.

100 millimeters of mercury equals

133.32millibars

1 mmHg = 1.333224 mbar

The formula

Millimeters of mercury and millibars both measure pressure from the same zero, so a single multiplier does the job.

mbar = mmHg × 1.33322387

Going the other way? Convert millibars to millimeters of mercury.

Millimeters of mercury to millibars table

Values either side of 100 mmHg.

Millimeters of mercury (mmHg)Millibars (mbar)
00
1013.3322
2026.6645
3039.9967
4053.329
5066.6612
6079.9934
7093.3257
80106.66
90119.99
100133.32
110146.65
120159.99
130173.32
140186.65
150199.98
160213.32
170226.65
180239.98
190253.31
200266.64

Questions people ask

How many millibars are in a millimeter of mercury?
One millimeter of mercury equals 1.33322387 millibars.
How do I convert millimeters of mercury to millibars by hand?
Multiply the number of millimeters of mercury by 1.33322387. For a rough check, 1.3 is close enough for most everyday use.
What is 100 millimeters of mercury in millibars?
100 millimeters of mercury is 133.32 millibars.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.

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