PSI to Foot Water 60°F Converter 2025 - psi to ftH2O Calculator | Thiyagi

PSI to Foot Water 60°F Converter

Convert between PSI and feet of water column at 60°F for hydraulic systems, water management, and pressure calculations

1 psi = 2.3067 ft H2O
1 ft H2O = 0.4335 psi
Enter a value to see the conversion result

Pressure Scale Reference

PSI ⇔ Feet H2O (60°F)
1 psi ⇔ 2.31 ft H2O
5 psi ⇔ 11.53 ft H2O
10 psi ⇔ 23.07 ft H2O
15 psi ⇔ 34.60 ft H2O
30 psi ⇔ 69.20 ft H2O
50 psi ⇔ 115.33 ft H2O

Hydraulic Applications

Water Systems:
• Residential water pressure: 30-50 psi (69-115 ft H2O)
• City water main: 60-100 psi (138-231 ft H2O)
• Fire hydrant: 35 psi min (81 ft H2O)
• Boiler pressure: 12-15 psi (28-35 ft H2O)
Industrial Applications:
• Cooling tower head: 10-20 ft H2O (4.3-8.7 psi)
• Pump suction: 5-15 ft H2O (2.2-6.5 psi)
• Tank pressure: 25-100 ft H2O (11-43 psi)
• Process equipment: 50-200 ft H2O (22-87 psi)
HVAC & Plumbing:
• Static head: 1 ft H2O per story
• Pump head calculation: ft H2O
• System pressure drop: 5-25 ft H2O
• Pressure test: 150% working pressure

Pressure Units

  • PSI: Pounds per square inch
  • ft H2O: Feet of water column
  • Temperature: 60°F (15.56°C)
  • Density: 62.37 lb/ft³

Usage Tips

  • ft H2O for pump calculations
  • PSI for system pressure
  • Temperature dependent
  • Static vs dynamic head

Applications

  • Hydraulics: Pump sizing
  • HVAC: System design
  • Plumbing: Pressure calculations
  • Process: Equipment design