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MasterBoard™

Revolutionizing hydraulic and heavy equipment repair with cutting-edge solutions.

Master Board LLC
1937 NW 49th Ct
Pompano Beach, FL 33064
(561) 377-4122

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  • Cylinder Force Calculator
  • Pump & Motor Calculator
  • Hose Assembly Calculator
  • Telescopic Cylinder Calculator
  • Pressure Calculator
  • Flow Calculator
  • Torque Converter
  • Seal Compatibility
  • Oil Volume Calculator
  • Maintenance Log Generator

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Hydraulic Flow Calculator

Convert between GPM, LPM, CFM and calculate flow velocity based on pipe diameter

Flow Parameters

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Calculation Results

Enter flow rate to convert units or calculate velocity

Flow Rate Conversions & Guidelines

Conversion Factors:
• 1 GPM = 3.785 LPM
• 1 GPM = 0.1337 CFM
• 1 LPM = 0.2642 GPM
Velocity Formula: V = Q / A
Recommended Velocities:
• Suction lines: 2-4 ft/sec
• Pressure lines: 10-15 ft/sec
• Return lines: 6-10 ft/sec
Reynolds Number: Re = ρVD/μ