1. What is the Energy Cost Calculator?

The Energy Calculator UK by Martin Lewis helps you estimate your electricity costs based on energy consumption and tariff rates. It provides a quick and accurate way to understand your energy expenses.

2. How Does the Calculator Work?

The calculator uses the simple formula:

Where:

• \( kWh \) — Energy consumption in kilowatt-hours
• \( rate \) — Electricity rate in GBP per kWh

Explanation: The calculation multiplies your energy usage by the unit rate to determine the total cost.

3. Importance of Energy Cost Calculation

Details: Understanding your energy costs helps with budgeting, comparing tariffs, identifying energy-saving opportunities, and managing household expenses effectively.

4. Using the Calculator

Tips: Enter your energy consumption in kWh and your electricity rate in GBP per kWh. Both values must be positive numbers for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: Where can I find my kWh consumption?
A: Your energy bill or smart meter display shows your kWh consumption. Most bills break down usage by period.

Q2: How do I know my current electricity rate?
A: Check your energy bill or contact your energy supplier. Rates are typically shown as pence per kWh or GBP per kWh.

Q3: Does this include standing charges?
A: No, this calculator only calculates usage costs. Remember to add standing charges separately for a complete bill estimate.

Q4: Can I use this for gas calculations?
A: This calculator is designed for electricity. Gas calculations may require conversion from cubic meters or cubic feet to kWh first.

Q5: How accurate is this calculator?
A: The calculation is mathematically precise. Accuracy depends on using correct consumption data and current tariff rates.