GPM to BTU Calculator: Convert Flow Rate to Heat Load
Calculate the heat load in British Thermal Units (BTU) from gallons per minute (GPM) and temperature difference. This calculator is helpful for determining the heating or cooling capacity required for your system.
Understanding GPM to BTU Conversion
Converting gallons per minute (GPM) to British Thermal Units (BTU) is essential for calculating the heat load in your system, which helps in determining the required capacity for heating or cooling purposes.
Conversion Formula
The formula to convert GPM to BTU is:
BTU = GPM × Temperature Delta × Fluid Density × 8.33
Where:
- GPM: Flow rate in gallons per minute
- Temperature Delta: Temperature difference in degrees Fahrenheit
- Fluid Density: Fluid density in pounds per gallon (typically 8.33 lb/gal for water)
Common Applications
| Application | Typical GPM Range | Typical BTU Range |
|---|---|---|
| Residential Heating | 5-20 GPM | 500-2,000 BTU |
| Industrial Heating Systems | 10-100 GPM | 1,000-10,000 BTU |
| Cooling Systems | 50-150 GPM | 5,000-15,000 BTU |
Frequently Asked Questions
What is the relationship between GPM and BTU?
GPM represents the flow rate of fluid, while BTU measures the amount of heat transferred. The amount of heat transferred depends on the flow rate and the temperature difference between the incoming and outgoing fluid.
How does fluid density affect BTU?
The density of the fluid affects the total heat transfer. Denser fluids will carry more heat, so the fluid density value is used to calculate the total BTU based on the flow rate.
Can I use this calculator for liquids other than water?
This calculator assumes water as the fluid. For other liquids, you will need to adjust the fluid density accordingly.