**Definitions:**

**Millimeter Of Mercury** (abbreviations: **mm Hg, or mmHg**): is a manometric unit of pressure, equal to 133.322387415 pascals. It is the extra pressure generated by a column of mercury of one millimeter high.

**Bar** (abbreviation: **bar**): is a metric (still not approved by the International System of Units, SI) unit of pressure. It is exactly equal to 100,000 Pa and slightly lower than the current average atmospheric pressure on Earth, at sea level.

## How to Convert Millimeters Of Mercury to Bars

*Example: How many Bars are equivalent to 64.31 Millimeters of Mercury?*

As;

1 Millimeters of Mercury = 0.001333 Bars

64.31 Millimeters of Mercury = Y Bars

Assuming Y is the answer, and by criss-cross principle;

Y equals 64.31 times 0.001333 over 1

(i.e.) Y = 64.31 * 0.001333 / 1 = 0.08572523 Bars

Answer is: 0.08572523 Bars are equivalent to 64.31 Millimeters of Mercury.

*Practice Question: Convert the following units into bar:*

N.B.: After working out the answer to each of the next questions, click adjacent button to see the correct answer.

( i ) 83.55 mm hg

( ii ) 81.21 mm hg

( iii ) 49.44 mm hg