How much does it cost to run a LED bulb? ($0.23/mo)
Running a LED bulb costs about $0.23 / month
($0.01/day at 5 h/day, $0.17/kWh).
($0.01/day at 5 h/day, $0.17/kWh).
Running cost calculator
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Energy/mo—
An LED bulb produces the same brightness as an old incandescent for a fraction of the watts, which is why it dominates modern lighting.
Cost at different electricity rates
| Electricity rate | Per day | Per month | Per year |
|---|---|---|---|
| $0.10/kWh | $0.00 | $0.13 | $1.64 |
| $0.15/kWh | $0.01 | $0.20 | $2.46 |
| $0.20/kWh | $0.01 | $0.27 | $3.28 |
| $0.25/kWh | $0.01 | $0.34 | $4.11 |
| $0.30/kWh | $0.01 | $0.40 | $4.93 |
| $0.40/kWh | $0.02 | $0.54 | $6.57 |
Cost over time
| Per hour of use | $0.00 |
| Per day (5 h) | $0.01 |
| Per month | $0.23 |
| Per year | $2.79 |
How to spend less
- Run it fewer hours or on an eco / lower setting.
- Upgrade to a more efficient model (check the energy label).
- Use a smart plug or timer to kill standby and idle draw.
Want the raw figure? See how many watts a LED bulb uses.
FAQ
How many watts does an LED bulb use?
A typical LED bulb uses 5-15 watts to match a 40-100 W incandescent.
How much does an LED bulb cost to run?
Only a dollar or two a year even at several hours a day.