Pump Sizing Calculator
Size pumps and calculate motor requirements
Pump Requirements
Pump Selection Results
Recommended Motor
3 HP
2.24 kW
Power Calculations
Water HP:1.263 HPBrake HP:1.804 HPMotor Input:2.004 HPWith Safety:2.305 HP
Pump Characteristics
Specific Speed:931NPSH Required:5.3 ftSpecific Gravity:1.000
Recommended Type: Radial Flow (High Head)
Flow Conversions
GPM:100.0L/min:378.5m³/h:22.71
Annual Energy
Energy (2000 hrs):4476 kWhEst. Cost:$537.12
Formula:
BHP = (GPM × Head × SG) / (3960 × Pump Eff)
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.