PSI to Millimeters of Mercury

Convert PSI to Millimeters of Mercury. 1 psi equals 51.7149 mmHg. Type a value on either side; the formula and tables below show how it works.

1 PSI equals

51.7149mmHg

Formula: mmHg = psi × 51.7149. Example: 5 psi = 258.5746 mmHg.

1 PSI in every unit

Bar	0.068948 bar
Kilopascals	6.8948 kPa
Pascals	6,894.76 Pa
Atmospheres	0.068046 atm
Millimeters of Mercury	51.7149 mmHg
Inches of Mercury	2.036 inHg
Hectopascals	68.9476 hPa

PSI

Millimeters of Mercury

0.1 psi

5.1715 mmHg

0.25 psi

12.9287 mmHg

0.5 psi

25.8575 mmHg

1 psi

51.7149 mmHg

2 psi

103.4299 mmHg

3 psi

155.1448 mmHg

4 psi

206.8597 mmHg

5 psi

258.5746 mmHg

10 psi

517.1493 mmHg

15 psi

775.7239 mmHg

20 psi

1,034.3 mmHg

25 psi

1,292.87 mmHg

50 psi

2,585.75 mmHg

75 psi

3,878.62 mmHg

100 psi

5,171.49 mmHg

250 psi

12,928.73 mmHg

500 psi

25,857.46 mmHg

1,000 psi

51,714.93 mmHg

Millimeters of Mercury

PSI

0.1 mmHg

0.001934 psi

0.25 mmHg

0.004834 psi

0.5 mmHg

0.009668 psi

1 mmHg

0.019337 psi

2 mmHg

0.038674 psi

3 mmHg

0.05801 psi

4 mmHg

0.077347 psi

5 mmHg

0.096684 psi

10 mmHg

0.193368 psi

15 mmHg

0.290052 psi

20 mmHg

0.386736 psi

25 mmHg

0.483419 psi

50 mmHg

0.966839 psi

75 mmHg

1.4503 psi

100 mmHg

1.9337 psi

250 mmHg

4.8342 psi

500 mmHg

9.6684 psi

1,000 mmHg

19.3368 psi

How to convert psi to millimeters of mercury

mmHg = psi × 51.7149

Multiply the value in psi by 51.7149. To go the other way, divide by the same number, or multiply by 0.019337. For example, 5 psi × 51.7149 = 258.5746 mmHg.

About the units

PSI (psi). Pounds-force per square inch, about 6,895 pascals. Tire pressure and air tools in the US.

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

Other pressure conversions

PSI to Millimeters of Mercury

1 PSI in every unit