Instantly convert BTU to watts for radiator sizing. Use our BTU to watts converter to ensure accurate heating power for your room. Metric & imperial units supported.
Enter your measurements above to see the results.
Watts are calculated by multiplying the BTU/hr value by 0.29307107. Kilowatts are watts divided by 1000. Total cost is watts multiplied by the price per watt.
If you enter 5000 BTU/hr: Watts = 5000 * 0.29307107 = 1465.36 W; Kilowatts = 1465.36 / 1000 = 1.465 kW. If price per watt is 0.50, Total cost = 1465.36 * 0.50 = 732.68 (in selected currency).
BTU (British Thermal Units) and watts are both units of power used to describe heating output. Converting BTU to watts helps you compare radiator sizes and ensure you select the right heating solution for your room, especially as most electric appliances are rated in watts.
Simply enter the BTU/hr value from your radiator or heating requirement, select your preferred unit system, and get the equivalent power in watts or kilowatts. Optionally, enter a cost per watt to estimate installation or running costs.
The standard formula is: 1 BTU/hr = 0.29307107 watts. Multiply your BTU/hr value by this factor to get watts. For kilowatts, divide the result by 1000.
This calculator supports both metric (watts, kilowatts) and imperial (BTU/hr) units. Use the unit system toggle to ensure your results are displayed in the format you need.
By entering a cost per watt, you can estimate the total cost for your radiator or heater, helping you plan for installation or energy expenses in your preferred currency.
Yes, you can convert BTU/hr to watts using the formula: 1 BTU/hr = 0.29307107 watts. Just multiply your BTU/hr value by this factor.
One watt is equal to 3.412141 BTU/hr. To convert from watts to BTU/hr, multiply the watt value by 3.412141.
Enter your BTU/hr value and multiply it by 0.29307107 to get the equivalent in watts. This calculator does it instantly for you.
To convert BTU/hr to watts, use the formula: watts = BTU/hr × 0.29307107. This gives you the heating power in watts.
BTU/hr and watts both measure heating output, but BTU/hr is common in the UK/US while watts are standard in Europe. Converting helps compare and select the right radiator size.
