1. What is a UK Electricity Cost Calculator?

Definition: This calculator estimates the cost of electricity based on energy consumption in kWh and the current electricity rate.

Purpose: It helps households and businesses in the UK estimate their electricity bills based on usage.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( C \) — Cost in pounds (£)
• \( E_{kWh} \) — Energy consumption (kilowatt-hours)
• Rate — Electricity price per kWh (default 25.73p/kWh for July–Sep 2025)

Explanation: The energy consumption is multiplied by the current electricity rate to calculate the total cost.

3. Importance of Electricity Cost Calculation

Details: Accurate cost estimation helps with budgeting, comparing energy tariffs, and identifying potential savings.

4. Using the Calculator

Tips: Enter your energy consumption in kWh and the electricity rate (default 0.2573 £/kWh). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is the current UK electricity rate?
A: The default rate of 25.73p/kWh (0.2573 £/kWh) reflects the July–September 2025 price cap.

Q2: Where can I find my energy consumption?
A: Check your electricity meter or recent energy bills for kWh usage.

Q3: Does this include standing charges?
A: No, this calculates only the variable cost based on usage. Add your daily standing charge separately.

Q4: How often do electricity rates change?
A: The UK price cap changes quarterly. Check Ofgem for current rates.

Q5: Can I use this for business electricity?
A: Yes, but business rates may differ - use your specific kWh rate.