Convert Millimeter of Water to Feet of water (mmH2O to Feet of water)
Millimeter of Water (mmH2O) and Feet of water (Feet of water) are both units of pressure. With the conversion form below, you can effortlessly and accurately convert millimeter of water to feet of water. This free online calculator tool makes it simple and easy to perform the conversion from mmH2O unit to the Feet of water unit.
Millimeter of Water to Feet of water conversion
Millimeter of Water to Feet of water Conversion Formula
One Millimeter of Water is equal to 0.003280840027 Feet of water.
Formula: 1 mmH2O = 0.003280840027 Feet of water
By using this conversion factor, you can easily convert any pressure measurement from millimeter of water unit to feet of water unit with precision.
How to Convert mmH2O to Feet of water?
Converting from mmH2O to Feet of water is a straightforward process. Follow these steps to ensure accurate conversions from millimeter of water to feet of water:
- Select the Millimeter of Water Value: Start by determining the millimeter of water (mmH2O) value you want to convert into feet of water (Feet of water). This is your starting point.
- Multiply by the Conversion Factor: To calculate millimeter of water to equivalent feet of water amount, multiply the selected mmH2O value by 0.003280840027.
- Illustration of Multiplication:
- 1 mmH2O = 0.003280840027 Feet of water
- 10 mmH2O = 0.032808400267 Feet of water
- 100 mmH2O = 0.328084002673 Feet of water
- Find the Conversion Result: The result of this multiplication is your converted value in feet of water unit. This represents the same pressure but in a different unit.
- Save Your Feet of water Value: After converting, remember to save the result. This value represents the pressure you initially measured, now expressed in feet of waters.
- Alternative Method – Division: If you prefer not to multiply, you can achieve the same conversion by dividing the millimeter of water value by 304.799987763. This alternative method also gives you the correct pressure in feet of waters.
- Illustration of Division:
- Feet of water = mmh2o ÷ 304.799987763
What is Pressure?
Pressure is the force applied perpendicular to a surface per unit area: P = F / A. The SI unit is the pascal (Pa), equal to one newton per square metre (1 Pa = 1 N/m²). Practical applications use larger units: the bar (1 bar = 100,000 Pa, close to standard atmospheric pressure), atmosphere (atm) (1 atm = 101,325 Pa), and psi (pounds per square inch, used in the US for tire and gas pressures). Blood pressure is measured in mmHg (millimetres of mercury), also called torr.
What is Millimeter of Water?
The millimeter of water (symbol: mmH₂O or mmH2O) is a non-SI unit of pressure defined as the pressure exerted by a one-millimeter column of water under standard gravity. It is commonly used in ventilation systems, clean rooms, HVAC engineering, and laboratory instruments to measure small pressure differences. Although the pascal is the SI unit of pressure, the millimeter of water remains a practical unit for low-pressure applications. It is based on the concept of a water column.
One millimeter of water is equal to 9.80665 pascals, 0.1 centimeter of water, 0.0000980665 bar, 0.00142233 pounds per square inch, and 0.00980665 kilopascal. The millimeter of water is widely used for measuring very low gas and liquid pressures.
What is Feet of water?
The foot of water (symbol: ftH₂O or ftH2O) is a non-SI unit of pressure based on the pressure exerted by a one-foot column of water under standard gravity. It is commonly used in plumbing, HVAC systems, fluid mechanics, and water distribution networks to measure relatively low pressures. Although the pascal is the SI unit of pressure, the foot of water remains widely used in engineering applications involving liquids. More information can be found in the water column reference.
One foot of water is equal to 2,989.07 pascals, 12 inches of water, 0.0298907 bar, 0.433527 psi, and 0.029503 standard atmosphere. The foot of water is widely used for measuring hydrostatic and fluid system pressures.
Some Millimeter of Water to Feet of water conversions
- 0.1 mmH2O = 0.00032808400267267363 Feet of water
- 0.2 mmH2O = 0.00065616800534534725 Feet of water
- 0.3 mmH2O = 0.00098425200801802088 Feet of water
- 0.4 mmH2O = 0.001312336011 Feet of water
- 0.5 mmH2O = 0.001640420013 Feet of water
- 0.6 mmH2O = 0.001968504016 Feet of water
- 0.7 mmH2O = 0.002296588019 Feet of water
- 0.8 mmH2O = 0.002624672021 Feet of water
- 0.9 mmH2O = 0.002952756024 Feet of water
- 1 mmH2O = 0.003280840027 Feet of water
- 2 mmH2O = 0.006561680053 Feet of water
- 3 mmH2O = 0.00984252008 Feet of water
- 4 mmH2O = 0.013123360107 Feet of water
- 5 mmH2O = 0.016404200134 Feet of water
- 6 mmH2O = 0.01968504016 Feet of water
- 7 mmH2O = 0.022965880187 Feet of water
- 8 mmH2O = 0.026246720214 Feet of water
- 9 mmH2O = 0.029527560241 Feet of water
- 10 mmH2O = 0.032808400267 Feet of water
- 20 mmH2O = 0.065616800535 Feet of water
- 30 mmH2O = 0.098425200802 Feet of water
- 40 mmH2O = 0.131233601069 Feet of water
- 50 mmH2O = 0.164042001336 Feet of water
- 60 mmH2O = 0.196850401604 Feet of water
- 70 mmH2O = 0.229658801871 Feet of water
- 80 mmH2O = 0.262467202138 Feet of water
- 90 mmH2O = 0.295275602405 Feet of water
- 100 mmH2O = 0.328084002673 Feet of water

Millimeter of Water to Feet of water Examples
Example 1:
Convert 0.8 Millimeter of Water pressure to Feet of water unit.
Solution:
We know that one Millimeter of Water is equivalent to 0.003280840027 Feet of water.
Therefore,
0.8 mmH2O = 0.8 x 0.003280840027 Feet of water.
0.8 mmH2O = 0.002624672021 Feet of water.
Hence, 0.8 Millimeter of Water is approximately equal to 0.002624672021 Feet of water.
Example 2:
Convert 5 Millimeter of Water pressure to Feet of water unit.
Solution:
We know that one Millimeter of Water is equivalent to 0.003280840027 Feet of water.
Therefore,
5 mmH2O = 5 x 0.003280840027 Feet of water.
5 mmH2O = 0.016404200134 Feet of water.
Hence, 5 Millimeter of Water is approximately equal to 0.016404200134 Feet of water.
Frequently Asked Questions
How do you convert mmH2O to Feet of water formula?
The main formula for the conversion of the mmH2O value to Feet of water amount is to multiply the mmH2O value by 0.003280840027.
There are 0.003280840027 Feet of water in 1 Millimeter of Water.To convert from Millimeter of Water to Feet of water, multiply your figure by 0.003280840027 (or divide by 304.799987763).
What is the relation between Millimeter of Water and Feet of water?
The relationship between Millimeter of Water and Feet of water is given as follows: 1 mmH2O = 0.003280840027 Feet of water
What is the value of 1 Millimeter of Water in equivalent Feet of water?
1 Millimeter of Water pressure is equivalent to 0.003280840027 Feet of water pressure.
What is the millimeter-of-water in feet-of-water?
1 millimeter-of-water equals 0.003280840027 feet-of-waters.
What is the value of 15 Millimeter of Water in Feet of waters?
We know that 1 Millimeter of Water is equal to 0.003280840027 Feet of water, multiply 15 by 0.003280840027 Feet of water. Therefore, 15 Millimeter of Water = 15 x 0.003280840027 Feet of water, 15 mmH2O = 0.049212600401 Feet of water. Hence, the value of 15 Millimeter of Water in Feet of water is 0.049212600401 Feet of water.
What Pressure is 1 Feet of water?
The Pressure of 1 Feet of water spans 304.799987763 Millimeter of Water.
1 mmH2O how much feet-of-water?
1 Millimeter of Water (mmH2O) corresponds to 0.003280840027 Feet of water (Feet of water).
Millimeter of Water to Other Unit Conversions
- mmH2O to Attopascal
- mmH2O to Bar
- mmH2O to Ba
- mmH2O to Centimeter of Mercury
- mmH2O to Centimeter of water