Sub Meter Calculator

Introduction & Importance

Sub meter calculators are essential tools for understanding and managing energy consumption in multi-tenant buildings or homes with separate meters.

How to Use This Calculator

1. Enter the total consumption for the period.
2. Enter the sub meter reading for the same period.
3. Click ‘Calculate’.

Formula & Methodology

The calculator subtracts the sub meter reading from the total consumption to find the sub meter consumption.

Real-World Examples

Data & Statistics

Average Energy Consumption by Appliance

Appliance	kWh/year
Refrigerator	150

Expert Tips

• Regularly monitor your sub meter to identify energy-saving opportunities.
• Compare your sub meter consumption with the average to understand your usage.

Interactive FAQ

What is a sub meter?

A sub meter is a secondary meter installed to measure the consumption of a specific part of a property.

Energy Efficiency Facts and Figures – U.S. Department of Energy

Energy Efficiency in Buildings – U.S. Department of Energy