Electricity Usage Calculator — Formula
## How to Calculate Electricity Cost
Your electricity bill is based on energy consumed (kWh) multiplied by the utility rate, plus fixed charges.
### Formula
**Monthly Bill = (kWh * Rate per kWh) + Fixed Charge**
### Average US Rates
- **National average**: ~$0.15/kWh
- **Cheapest states**: $0.08-0.10/kWh (Louisiana, Oklahoma)
- **Most expensive**: $0.25-0.35/kWh (Hawaii, Connecticut)
Your electricity bill is based on energy consumed (kWh) multiplied by the utility rate, plus fixed charges.
### Formula
**Monthly Bill = (kWh * Rate per kWh) + Fixed Charge**
### Average US Rates
- **National average**: ~$0.15/kWh
- **Cheapest states**: $0.08-0.10/kWh (Louisiana, Oklahoma)
- **Most expensive**: $0.25-0.35/kWh (Hawaii, Connecticut)
Esempio Risolto
A home using 900 kWh/month at $0.15/kWh with a $12 monthly fixed charge.
- Usage charge: 900 * $0.15 = $135.00
- Monthly bill: $135.00 + $12.00 = $147.00
- Annual cost: $147.00 * 12 = $1,764
- Daily cost: $147.00 / 30 = $4.90