Pool Heater BTU Calculator

Calculate required BTU rating for pool heaters based on surface area and temperature rise.

Surface area measurement (length × width for rectangles).
sq ft
Flow of electrical charge measured in amperes (A).
F
Thermal measurement in specified units (°F, °C, or K).
F
Thermal measurement in specified units (°F, °C, or K).
F
Enter the wind exposure (1=low, 2=med, 3=high) value for this calculation.

Results

Minimum BTU Rating:
Calculated performance rating.
-BTU/hr
Recommended BTU:
Suggested value based on calculations.
-BTU/hr
Reference: Industry Standards.