Convert foot water (4°C) to psi

Please provide values below to convert foot water (4°C) [ftAq] to psi [psi], or Convert psi to foot water (4°C).

1 ftAq = 0.43351489752 psi. To convert foot water (4°C) to psi, multiply the value by 0.43351489752; to go the other way, divide by it (1 psi = 2.30672580278 ftAq). Both units measure pressure and appear in everyday as well as technical calculations, so switching between them quickly is often useful.

Quick Reference

  • 1 ftAq = 0.43351489752 psi
  • 1 psi = 2.30672580278 ftAq
  • 10 ftAq = 4.3351489752 psi
  • 100 ftAq = 43.351489752 psi



How to Convert Foot Water (4°c) to Psi

1 ftAq = 0.433514897520055 psi

Example: convert 15 ftAq to psi:
15 ftAq = 15 × 0.433514897520055 psi = 6.50272346280082 psi


Foot Water (4°c) to Psi Conversion Table

foot water (4°C) psi
1 ftAq 0.43351489752 psi
2 ftAq 0.86702979504 psi
3 ftAq 1.30054469256 psi
5 ftAq 2.1675744876 psi
10 ftAq 4.3351489752 psi
20 ftAq 8.6702979504 psi
50 ftAq 21.675744876 psi
100 ftAq 43.351489752 psi
500 ftAq 216.75744876 psi
1000 ftAq 433.51489752 psi

Foot Water (4°c)

Foot water (4°C), symbol ftAq, is a unit of pressure representing the height of a water column at 4°C that exerts a specific pressure.

History/Origin

The foot water (4°C) has been used historically in engineering and scientific contexts to measure pressure, especially in water-related applications, as an alternative to other pressure units like inches of water or meters of water. Its usage dates back to traditional measurements in hydraulic and civil engineering.

Current Use

Today, foot water (4°C) is primarily used in specialized fields such as hydrology, water management, and engineering to measure low pressures, particularly in systems involving water flow and pressure head calculations.


Psi

Psi (pounds per square inch) is a unit of pressure measurement representing the force of one pound applied to an area of one square inch.

History/Origin

The psi originated in the United States as a customary unit of pressure, commonly used in engineering and industrial applications. It became standardized with the development of the imperial system of units.

Current Use

Psi is widely used today in various fields such as automotive tire pressure, plumbing, and industrial pressure measurements, especially in the United States and other countries using imperial units.


Frequently Asked Questions

What is 1 foot water (4°C) in psi?

1 foot water (4°C) (ftAq) = 0.43351489752 psi (psi).

How do you convert foot water (4°C) to psi?

Multiply the foot water (4°C) value by 0.43351489752. For example, 25 ftAq × 0.43351489752 = 10.837872438 psi.

What is 10 foot water (4°C) in psi?

10 ftAq = 4.3351489752 psi.

Which unit is larger, the foot water (4°C) or the psi?

The psi is the larger unit: 1 ftAq equals only 0.43351489752 psi.



Convert foot water (4°C) To Other Pressure Units