Home Back

Watts to BTU Calculator UK

BTU Conversion Formula:

\[ Q = P \times 3.412 \]

W
BTU/h

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is a Watts to BTU Calculator UK?

Definition: This calculator converts electrical power in watts to British Thermal Units per hour (BTU/h) specifically for UK heating systems.

Purpose: It helps determine the heating capacity needed when selecting or comparing heating systems in the UK.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Q = P \times 3.412 \]

Where:

Explanation: The conversion factor 3.412 represents the number of BTUs produced per hour by one watt of electrical power.

3. Importance of Watts to BTU Conversion

Details: This conversion is essential for proper sizing of electric heaters, heat pumps, and other heating systems in the UK market.

4. Using the Calculator

Tips: Simply enter the power in watts to get the equivalent heating output in BTU/h. The value must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is this specific to the UK?
A: While the conversion factor is universal, this calculator is tailored for UK heating system specifications and standards.

Q2: Is the conversion factor always 3.412?
A: Yes, this is a constant conversion factor (1 watt = 3.412 BTU/h).

Q3: Can I use this for air conditioning units?
A: Yes, it works for both heating and cooling systems when converting electrical input to thermal output.

Q4: How accurate is this conversion?
A: The conversion is mathematically exact, but real-world efficiency of equipment may vary.

Q5: What's a typical wattage for UK heaters?
A: Common electric heaters range from 500W to 3000W, converting to 1,706 to 10,236 BTU/h respectively.

Watts to BTU Calculator UK© - All Rights Reserved 2025