Home Back

Cost Of kWh UK Calculator

Cost Per kWh Formula:

\[ C = \frac{\text{Total Cost}}{E} \]

£
kWh

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Cost Per kWh Calculator?

The Cost Per kWh Calculator helps UK consumers determine the price they pay for electricity per kilowatt-hour. This calculation is essential for understanding energy costs, comparing tariffs, and managing household budgets effectively.

2. How Does the Calculator Work?

The calculator uses a simple formula:

\[ C = \frac{\text{Total Cost}}{E} \]

Where:

Explanation: This formula divides your total electricity cost by the amount of energy consumed to determine the price per unit of electricity.

3. Importance of Cost Per kWh Calculation

Details: Understanding your cost per kWh is crucial for comparing energy tariffs, identifying potential savings, budgeting accurately, and making informed decisions about energy usage and efficiency improvements.

4. Using the Calculator

Tips: Enter your total electricity cost in pounds (£) and your energy consumption in kilowatt-hours (kWh). Both values must be positive numbers. The calculator will compute your cost per kWh.

5. Frequently Asked Questions (FAQ)

Q1: What is the average electricity cost per kWh in the UK?
A: As of 2024, the average electricity price in the UK ranges from 24p to 30p per kWh, but this varies by region, tariff type, and payment method.

Q2: How can I find my energy consumption in kWh?
A: Your energy consumption in kWh is shown on your electricity bill. You can also check your smart meter or submit regular meter readings to your supplier.

Q3: Why does my cost per kWh seem higher than the advertised rate?
A: Your total bill includes standing charges, VAT, and other fees that are not part of the unit rate. This calculator gives you the effective rate including all charges.

Q4: How often should I calculate my cost per kWh?
A: It's good practice to calculate this with each bill to monitor changes in your effective rate, especially when considering switching suppliers or tariffs.

Q5: Can I use this for comparing different energy tariffs?
A: Yes, calculating the effective cost per kWh is one of the best ways to compare different energy tariffs and suppliers accurately.

Cost Of kWh UK Calculator© - All Rights Reserved 2025