psi to mmHg converter
1 pounds per square inch equals 51.714925 millimeters of mercury. Conversions use mmHg = psi × 51.715
psi → 51.714925 mmHg
mmHg = psi × 51.715
Converter
Worked examples
- 1 psi = 51.714925 mmHg
- 2 psi = 103.43 mmHg
- 5 psi = 258.575 mmHg
- 10 psi = 517.149 mmHg
- 100 psi = 5,171.49 mmHg
pounds per square inch to millimeters of mercury conversion table
| psi | mmHg | Arithmetic |
|---|---|---|
| 1 psi | 51.714925 mmHg | × 51.715 |
| 2 psi | 103.43 mmHg | × 51.715 |
| 3 psi | 155.145 mmHg | × 51.715 |
| 4 psi | 206.86 mmHg | × 51.715 |
| 5 psi | 258.575 mmHg | × 51.715 |
| 6 psi | 310.29 mmHg | × 51.715 |
| 8 psi | 413.719 mmHg | × 51.715 |
| 10 psi | 517.149 mmHg | × 51.715 |
| 12 psi | 620.579 mmHg | × 51.715 |
| 15 psi | 775.724 mmHg | × 51.715 |
| 20 psi | 1,034.3 mmHg | × 51.715 |
| 25 psi | 1,292.87 mmHg | × 51.715 |
| 30 psi | 1,551.45 mmHg | × 51.715 |
| 40 psi | 2,068.6 mmHg | × 51.715 |
| 50 psi | 2,585.75 mmHg | × 51.715 |
| 60 psi | 3,102.9 mmHg | × 51.715 |
| 70 psi | 3,620.04 mmHg | × 51.715 |
| 80 psi | 4,137.19 mmHg | × 51.715 |
| 90 psi | 4,654.34 mmHg | × 51.715 |
| 100 psi | 5,171.49 mmHg | × 51.715 |
How to convert psi to mmHg
- Take your value in pounds per square inch.
- Multiply by 51.715
- That is your answer in millimeters of mercury — no rounding needed until you choose a display precision.
Related conversions
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Questions
How many millimeters of mercury in 1 pounds per square inch?
Exactly 51.714925 mmHg. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert psi to mmHg?
Multiply the pounds per square inch figure by 51.715 — or use the converter above, which updates as you type.
Is psi to mmHg the same as mmHg to psi?
No — they are inverses. One psi is 51.714925 mmHg, while one mmHg is 0.01933678 psi.
What is 1 psi in mmHg?
1 psi = 51.714925 mmHg (see the value page for the full arithmetic).