How Much Does It Cost to Run Bug Zapper?
A bug zapper's UV tube draws about 40 watts through the evening — a summer of zapping costs a couple dollars. At the US-average rate of 16.5¢/kWh, running a bug zapper costs about $1.60/month ($19.25/year) at typical use. Adjust the watts, hours, and your rate below for your exact number.
Cost to run a bug zapper
$19/yr
- Per day
- $0.05
- Per month
- $1.60
- Energy per year
- 117 kWh
Cost = power (kW) × hours × days × your rate. Defaults are typical values — enter your appliance's actual watts (often on a label) and your real rate for a precise figure.
Cost to run a bug zapper by electricity rate
Same 40 W appliance, 8 h/day — the bill changes with where you live.
| Scenario | Rate | Per month | Per year |
|---|---|---|---|
| Cheapest states (North Dakota) | 11.5¢ | $1.12 | $13.44 |
| US average | 16.5¢ | $1.60 | $19.25 |
| Most expensive (Hawaii) | 42.9¢ | $4.17 | $50.06 |
Find your state's rate on the electricity rates by state page, or see the appliance wattage chart for more devices.
Frequently asked questions
At the US-average residential rate of 16.5¢/kWh, a bug zapper drawing 40 watts for about 8 hours a day costs roughly $0.05 per day, $1.60 per month, and $19.25 per year. Your actual cost depends on your electricity rate and how much you use it — adjust both in the calculator above.
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