Pump Head & Pipe Sizing Calculator
Calculate pipe size, velocity, friction loss, total dynamic head, and pump power.
Preliminary engineering guidance for water-based HVAC and general water systems
INPUTS
Enter your system and design details
DESIGN INPUTS
System type
Fluid temperature (°C)
Elevation difference (m)
Fluid type
Flow rate value
Safety margin (%)
FITTINGS & COMPONENTS
90° elbows
45° elbows
Tees (run)
Tees (branch)
Gate valves
Strainers
Globe valves
Check valves
Balancing valves
Control valves
Equipment pressure drop (kPa)
PIPE ROUTE INPUTS
Pipe material
Pipe schedule/type
Sizing mode
Manual nominal size
Straight pipe length (m)
Roughness value (mm)
PUMP ASSUMPTIONS
Pump efficiency (%)
Operating hours per year
Motor efficiency (%)
Electricity tariff
USD/KWh
ADVANCE SETTINGS
Max preferred velocity (m/s)
Min preferred velocity (m/s)
Max friction loss (Pa/m)
-
Ready
RESULTS
View your pipe sizing and pump summary
SUMMARY RESULTS...
Recommended Pipe Size
Friction Factor
Internal Diameter
Total Dynamic Head
Velocity
Pump Power
Reynolds Number
Annual Energy Cost
HEAD BREAKDOWN
Static Head
Major Loss (Friction)
Minor Loss (Fittings)
Equipment Loss
Safety Allowance
Total Dynamic Head
STATUS
WARNINGS
ENGINEERING NOTES
ASSUMPTIONS
Pipe Size Comparision
Nominal
Size
ID
(mm)
Velocity
(m/s)
Re
f
Friction Loss (Pa/m)
Major Head (m)
Minor Head (m)
Total Head (m)
Status
Chart title