Inches of mercury to pounds per square inch converter
Pounds per square inch (psi)
1 inch of mercury = 0.4911541996 pounds per square inch
How to convert inches of mercury to pounds per square inch
psi = inHg × 0.491154199634
Multiply the number of inches of mercury by 0.491154199634 to get pounds per square inch. Going the other way, divide by 0.491154199634 (or multiply by 2.03602046108).
One inch of mercury is exactly defined as 0.491154199634 pounds per square inch (to 12 significant figures), and one pound per square inch is 2.03602046108 inches of mercury.
Worked examples
- Convert 5 inches of mercury: 5 × 0.491154199634 = 2.455770998 2.455770998 pounds per square inch.
- Convert 12.5 inches of mercury: 12.5 × 0.491154199634 = 6.139427495 6.139427495 pounds per square inch.
- Convert 250 inches of mercury: 250 × 0.491154199634 = 122.7885499 122.7885499 pounds per square inch.
Quick-reference table
| inHg | psi |
|---|---|
| 1 | 0.4911541996 |
| 2 | 0.9823083993 |
| 3 | 1.473462599 |
| 5 | 2.455770998 |
| 10 | 4.911541996 |
| 15 | 7.367312995 |
| 20 | 9.823083993 |
| 25 | 12.27885499 |
| 50 | 24.55770998 |
| 75 | 36.83656497 |
| 100 | 49.11541996 |
| 1,000 | 491.1541996 |
| psi | inHg |
|---|---|
| 1 | 2.036020461 |
| 2 | 4.072040922 |
| 3 | 6.108061383 |
| 5 | 10.18010231 |
| 10 | 20.36020461 |
| 15 | 30.54030692 |
| 20 | 40.72040922 |
| 25 | 50.90051153 |
| 50 | 101.8010231 |
| 75 | 152.7015346 |
| 100 | 203.6020461 |
| 1,000 | 2,036.020461 |
Related conversions
- ⇄ Pounds per square inch to inches of mercury
- Inches of mercury to kilopascals
- Inches of mercury to bar
- Inches of mercury to standard atmospheres
- Pascals to pounds per square inch
- Hectopascals to pounds per square inch
- Kilopascals to pounds per square inch
- Bar to pounds per square inch
- Millibars to pounds per square inch
Frequently asked questions
How many pounds per square inch are in 1 inch of mercury?
1 inch of mercury equals 0.4911541996 pounds per square inch.
What is the formula to convert inches of mercury to pounds per square inch?
Use psi = inHg × 0.491154199634. Multiply the number of inches of mercury by 0.491154199634 to get pounds per square inch. Going the other way, divide by 0.491154199634 (or multiply by 2.03602046108).
What is 100 inches of mercury in pounds per square inch?
100 inches of mercury is 49.11541996 pounds per square inch.