Electricity Cost Calculator – Monthly Bill Estimate
Calculate electricity cost for any appliance or total home monthly bill.
About This Calculator
Calculate electricity cost for any appliance or total home monthly bill. Use the calculator above for instant results.
Worked Examples
- 6 kWh/day | Daily: $0.78 | Monthly: $23.40
Answer: $23.40/month
- 0.8 kWh/day | Monthly: $3.12
Answer: $3.12/month
- 57.6 kWh/day | Monthly: $225 (full charge every day)
Answer: $225/month max
Who Uses This Calculator?
Find energy-hungry appliances.
Control electricity costs.
Calculate home charging costs.
Estimate solar panel payback period.
Common Mistakes to Avoid
❌ Not knowing your rate
Check your electricity bill for your exact rate in $/kWh. US average is ~$0.12-0.15 but varies by state.
❌ Using peak wattage only
Many appliances vary — a refrigerator cycles on/off. Use average wattage, not just peak.
Frequently Asked Questions
Average US electricity rate?
About $0.12-0.16/kWh nationally. Hawaii: $0.35. Louisiana: $0.10. Check your bill.
How to reduce electricity cost?
LED bulbs, smart thermostat, ENERGY STAR appliances, off-peak usage, better insulation.
How many kWh does a home use?
Average US home: ~900 kWh/month = ~$110-135/month. Varies hugely by size, climate, and efficiency.