Pump Sizing Calculator Pro for Excel

New to GonokLab? Here's our guarantee.

Our tools are built by a working engineers— designed for the problems you actually face on the job, not textbook examples.

If you're on the fence, we get it. That's why every paid product comes with a 30-day money-back guarantee, no questions asked. Buy it, use it, and if it doesn't deliver value, you get a full refund.

No emails needed. No hoops to jump through.

[Buy Now — Risk Free]

If you regularly work with pump calculations, you already know the problem: 

What the Pro Edition includes 

• hydraulic power calculation 
• shaft power calculation 
• motor input and installed motor sizing 
• single-stage and multi-stage pump calculations 
• series and parallel stage configuration logic 
• NPSH available analysis 
• margin-based NPSH status checks 
• specific speed 
• reference property data 
• improved visual calculation results 
• cleaner workbook structure for repeated use 

Why upgrade to Pro 

• save time on repeated calculations 
• reduce spreadsheet guesswork 
• get clearer result visibility 
• work with stronger engineering checks 
• use a more polished and professional workbook 
• avoid rebuilding the same logic over and over 

What makes it different from a basic calculator 

• more refined engineering workflow 
• better result presentation 
• stronger suction-side review logic 
• supporting reference data built in 
• more professional Excel experience overall 

Best for 

• engineers 
• consultants 
• advanced technical users 
• industrial professionals 
• users who want a more capable Excel workbook 

Buy with confidence: if the workbook doesn’t work as described, contact me and We’ll make it right or issue a refund. 

Upgrade to the Pro Edition for a more advanced and professional pump sizing workbook.