Watt to BTU Converter – Convert Watts to BTU/hr Online

Convert watts to BTU/hr instantly with this free online Watt to BTU converter. Fast, accurate, and easy. Ideal for HVAC, energy, and heating calculations.

Conversion Formula

1 Watt = 3.412 BTU/hr

BTU = Watts × 3.412
Enter Watts
W
Enter any positive number (decimals allowed)
BTU Result
0
BTU per hour
Calculation:
0 × 3.412 = 0 BTU/hr
Additional Info
Kilowatts:
0 kW
BTU per minute:
0 BTU/min
Calories per hour:
0 cal/hr
Joules per hour:
0 J/hr
Common Appliance Examples
LED Light Bulb
Laptop Computer
LED TV (55")
Refrigerator
Space Heater
Electric Kettle

Need to convert watts to BTU/hr for your energy, HVAC, or heating project? Our Watt to BTU Converter helps you do it instantly. Just enter the watt value, and get the BTU/hr result with one click. It’s accurate, fast, and completely free.

The converter uses the formula: 1 watt = 3.41214 BTU/hr  

Key Features

  • Instant watt to BTU/hr conversion
  • Accurate up to 5 decimal places

How To Use

  1. Enter the number of watts in the input field.
  2. Click “Convert”.
  3. Get the result in BTU/hr instantly.

BTU/hr (British Thermal Units per hour) is a measure of power, often used for heating and cooling systems.