This tool estimates heat added to the water only. It does not include ongoing evaporation, wind, ground loss, heater efficiency changes or weather.
How to use the result
Actual cost can be much higher because the pool is losing heat while it warms. Use the result to compare assumptions, then obtain a site-specific estimate that includes climate, cover use and equipment performance.
Privacy: The calculation runs in your browser. The site does not receive or store the values you enter.
Planning limitation: This result is an estimate, not a design, quotation, permit decision, water-treatment instruction or safety approval. Verify dimensions, rates, product manuals and local professional requirements.