Feet of water to Feet of mercury Converter
1 foot of water (ftH₂O) equals 0.073555913528 feet of mercury (ftHg).
Quick answer
- 1 foot of water = 0.07355591353 feet of mercury
- 1 foot of mercury = 13.5951 feet of water
- Formula: ftHg = ftH₂O ÷ 13.5951
1 foot of water = 0.07355591353 feet of mercury
How to convert feet of water to feet of mercury
ftHg = ftH₂O ÷ 13.5951
To convert feet of water to feet of mercury, divide the number of feet of water by 13.5951.
Example: 1 ftH₂O to ftHg
- Start with the value in feet of water: 1 ftH₂O.
- Divide by 13.5951: 1 ÷ 13.5951 = 0.07355591353.
- Result: 1 foot of water = 0.07355591353 feet of mercury.
Going the other way, 1 foot of mercury = 13.5951 feet of water, so to convert feet of mercury back to feet of water you multiply by the same number. See feet of mercury to feet of water.
Feet of water to feet of mercury conversion table
| Feet of water (ftH₂O) | Feet of mercury (ftHg) |
|---|---|
| 1 ftH₂O | 0.07355591353 ftHg |
| 2 ftH₂O | 0.1471118271 ftHg |
| 3 ftH₂O | 0.2206677406 ftHg |
| 4 ftH₂O | 0.2942236541 ftHg |
| 5 ftH₂O | 0.3677795676 ftHg |
| 6 ftH₂O | 0.4413354812 ftHg |
| 7 ftH₂O | 0.5148913947 ftHg |
| 8 ftH₂O | 0.5884473082 ftHg |
| 9 ftH₂O | 0.6620032217 ftHg |
| 10 ftH₂O | 0.7355591353 ftHg |
| 100 ftH₂O | 7.355591353 ftHg |
What is a foot of water?
The foot of water (foot of head) is used for pump ratings in the US: 2.31 feet of water is 1 psi.
What is a foot of mercury?
The foot of mercury is rarely used.
Convert feet of water to other units
- Feet of water to pounds per square inch
- Feet of water to bars
- Feet of water to kilopascals
- Feet of water to pascals
- Feet of water to standard atmospheres
- Feet of water to millimeters of mercury
- Feet of water to hectopascals
- Feet of water to megapascals
- Feet of water to inches of mercury
- Feet of water to millibars
- All foot of water conversions →
Convert other units to feet of mercury
- Pounds per square inch to feet of mercury
- Bars to feet of mercury
- Kilopascals to feet of mercury
- Pascals to feet of mercury
- Standard atmospheres to feet of mercury
- Millimeters of mercury to feet of mercury
- Hectopascals to feet of mercury
- Megapascals to feet of mercury
- Inches of mercury to feet of mercury
- Millibars to feet of mercury
- All foot of mercury conversions →
Frequently asked questions
How many feet of mercury are in a foot of water?
One foot of water is 0.07355591353 feet of mercury.
How many feet of water are in a foot of mercury?
One foot of mercury is 13.5951 feet of water.
What is the formula to convert feet of water to feet of mercury?
ftHg = ftH₂O ÷ 13.5951.