1. What is a UK Radiators BTU Calculator?

Definition: This calculator converts radiator power from kilowatts (kW) to British Thermal Units per hour (BTU/h).

Purpose: It helps UK homeowners and heating engineers compare radiator specifications between kW and BTU measurements.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Q_{btu} \) — Heat output in BTU per hour
• \( P_{kW} \) — Radiator power in kilowatts

Explanation: 1 kW equals 3412 BTU/h, as BTU is a standard measurement of heat output in the UK heating industry.

3. Importance of BTU Calculation

Details: Proper BTU calculation ensures you select radiators with adequate heat output for your room size and insulation level.

4. Using the Calculator

Tips: Enter the radiator power in kW (typically found on radiator specifications). The value must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why convert kW to BTU?
A: Many UK radiator manufacturers provide both kW and BTU ratings, and room heat requirements are often calculated in BTU.

Q2: Is 3412 the exact conversion factor?
A: Yes, 1 kW is exactly equal to 3412.142 BTU/h by definition.

Q3: What's a typical kW rating for UK radiators?
A: Standard radiators range from 0.5kW to 3kW, depending on size and type.

Q4: How many BTUs do I need per room?
A: Typically 5,000-10,000 BTU for small rooms, 10,000-15,000 for medium, and 15,000+ for large rooms.

Q5: Does this account for heat loss?
A: No, this is a direct conversion. Actual heating requirements should consider insulation, windows, and room usage.