Is this calculation free and private?

Yes, 100% of calculations execute locally in your web browser. No inputs or personal data are stored or transmitted.

What does the Well Pump Total Dynamic Head & HP Calculator give me?

It works out Total Dynamic Head TDH, Pressure Tank Equivalent Head, Recommended Pump Motor Size and Total Head Pressure Equivalent, updating live as you change the inputs.

What do I need to enter?

Just Pumping Water Level Depth in Well, Elevation Rise from Wellhead to House, Pressure Tank Cutout Setting and Required Household Peak Flow. Every field has a sensible default you can start from.

Is my data uploaded anywhere?

No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.

Does it work on a phone?

Yes. The layout adapts to small screens and needs no app or signup.

Well Pump Total Dynamic Head & HP Calculator

Calculate submersible well pump Total Dynamic Head (TDH in feet), pressure tank cutoff requirements, and minimum pump motor horsepower.

100% free
Private in browser
No signup
No watermarks

Pumping Water Level Depth in Well (Feet)

Elevation Rise from Wellhead to House (Feet)

Pressure Tank Cutout Setting (PSI, 50 or 60)

Required Household Peak Flow (GPM)

Total Dynamic Head TDH (Feet)

260

Pressure Tank Equivalent Head (Feet)

115.5

Recommended Pump Motor Size (HP)

1.5

Total Head Pressure Equivalent (PSI)

112.6

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About Well Pump Total Dynamic Head & HP Calculator

Calculate submersible well pump Total Dynamic Head (TDH in feet), pressure tank cutoff requirements, and minimum pump motor horsepower. Enter Pumping Water Level Depth in Well, Elevation Rise from Wellhead to House and Pressure Tank Cutout Setting and the tool works out Total Dynamic Head TDH, Pressure Tank Equivalent Head and Recommended Pump Motor Size straight away. Everything runs in your browser, so your data never leaves your device.

How to use Well Pump Total Dynamic Head & HP Calculator

Enter Pumping Water Level Depth in Well, Elevation Rise from Wellhead to House and Pressure Tank Cutout Setting.
Adjust the remaining options (Required Household Peak Flow) to match your case.
Read Total Dynamic Head TDH, Pressure Tank Equivalent Head and Recommended Pump Motor Size in the results panel — copy or download what you need.

Key features

Shows Total Dynamic Head TDH (Feet)
Shows Pressure Tank Equivalent Head (Feet)
Shows Recommended Pump Motor Size (HP)
4 adjustable inputs, results update as you type
No signup, no limits

Frequently asked questions

Is this calculation free and private?: Yes, 100% of calculations execute locally in your web browser. No inputs or personal data are stored or transmitted.
What does the Well Pump Total Dynamic Head & HP Calculator give me?: It works out Total Dynamic Head TDH, Pressure Tank Equivalent Head, Recommended Pump Motor Size and Total Head Pressure Equivalent, updating live as you change the inputs.
What do I need to enter?: Just Pumping Water Level Depth in Well, Elevation Rise from Wellhead to House, Pressure Tank Cutout Setting and Required Household Peak Flow. Every field has a sensible default you can start from.
Is my data uploaded anywhere?: No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
Does it work on a phone?: Yes. The layout adapts to small screens and needs no app or signup.

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