Aquarium Pump Calculator

Calculate the right pump size accounting for head pressure and plumbing losses.

Tank Volume (gallons)

Desired Turnover Rate (x/hr)

Head Height (feet, 0 for in-tank)

Pipe Diameter (inches)

Number of 90-degree Elbows

Accounts for vertical lift, elbows, and pipe friction losses.

Each 90-degree elbow adds approximately 1 foot of head pressure.

Upsize pump rating to deliver actual needed flow at the tank.

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