Inches of Mercury to Millimeters of Mercury

Convert Inches of Mercury to Millimeters of Mercury. 1 inHg equals 25.4 mmHg. Type a value on either side; the formula and tables below show how it works.

inHg
mmHg
1 Inches of Mercury equals
25.4mmHg

Formula: mmHg = inHg × 25.4. Example: 5 inHg = 127 mmHg.

1 Inches of Mercury in every unit

PSI0.491154 psi
Bar0.033864 bar
Kilopascals3.3864 kPa
Pascals3,386.39 Pa
Atmospheres0.033421 atm
Millimeters of Mercury25.4 mmHg
Hectopascals33.8639 hPa

Inches of Mercury to Millimeters of Mercury table

Inches of MercuryMillimeters of Mercury
0.1 inHg2.54 mmHg
0.25 inHg6.35 mmHg
0.5 inHg12.7 mmHg
1 inHg25.4 mmHg
2 inHg50.8 mmHg
3 inHg76.2 mmHg
4 inHg101.6 mmHg
5 inHg127 mmHg
10 inHg254 mmHg
15 inHg381 mmHg
20 inHg508 mmHg
25 inHg635 mmHg
50 inHg1,270 mmHg
75 inHg1,905 mmHg
100 inHg2,540 mmHg
250 inHg6,350 mmHg
500 inHg12,700 mmHg
1,000 inHg25,400 mmHg
Millimeters of MercuryInches of Mercury
0.1 mmHg0.003937 inHg
0.25 mmHg0.009843 inHg
0.5 mmHg0.019685 inHg
1 mmHg0.03937 inHg
2 mmHg0.07874 inHg
3 mmHg0.11811 inHg
4 mmHg0.15748 inHg
5 mmHg0.19685 inHg
10 mmHg0.393701 inHg
15 mmHg0.590551 inHg
20 mmHg0.787402 inHg
25 mmHg0.984252 inHg
50 mmHg1.9685 inHg
75 mmHg2.9528 inHg
100 mmHg3.937 inHg
250 mmHg9.8425 inHg
500 mmHg19.685 inHg
1,000 mmHg39.3701 inHg

How to convert inches of mercury to millimeters of mercury

mmHg = inHg × 25.4

Multiply the value in inches of mercury by 25.4. To go the other way, divide by the same number, or multiply by 0.03937. For example, 5 inHg × 25.4 = 127 mmHg.

About the units

Inches of Mercury (inHg). About 3,386 pascals. Barometric pressure in US weather reports and aviation.

Millimeters of Mercury (mmHg). About 133.3 pascals. Blood pressure readings worldwide.

Other pressure conversions

PSI to Millimeters of Mercury · Bar to Millimeters of Mercury · Kilopascals to Millimeters of Mercury · Pascals to Millimeters of Mercury · Atmospheres to Millimeters of Mercury · Millimeters of Mercury to PSI · Millimeters of Mercury to Bar · Millimeters of Mercury to Kilopascals · Millimeters of Mercury to Pascals · Millimeters of Mercury to Atmospheres · Millimeters of Mercury to Inches of Mercury · Millimeters of Mercury to Hectopascals · Inches of Mercury to PSI · Inches of Mercury to Bar · Inches of Mercury to Kilopascals · Inches of Mercury to Pascals · Inches of Mercury to Atmospheres · Inches of Mercury to Millimeters of Mercury · Inches of Mercury to Hectopascals · Hectopascals to Millimeters of Mercury

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