BTU Calculator

Please fill the form below and click "Calculate"
1. Enter your Bathroom Dimensions (in feet)
Width (feet) :   Length (feet) :   Height (feet) :
2. Select Other Factors
Does your bathroom have windows? YES NO  
Does your bathroom have Double Glazing? YES NO  
Is your bathroom North facing? YES NO  
3. Calculate Your BTU
4. Your BTU Results = 0 BTU  or 0 Watt
1 Watt = 3.413 BTU
What is BTU?
Short for British Thermal Unit, British standard unit of energy. One Btu is equal to the amount of heat required to raise the temperature of one pound of liquid water by 1 degree Fahrenheit at its maximum density, which occurs at a temperature of 39.1 degrees Fahrenheit. One Btu is equal to approximately 251.9 calories or 1055 joules.