How Much Does It Cost to Run an Electric Toothbrush Charger in South Dakota? (2026)
An electric toothbrush charger draws about a watt whether or not the brush is on it. Over a year that is under 10 kWh, one of the smallest loads in the house.
A typical electric toothbrush charger (1 W) costs $0.000 per hour, or about $0.11 per month at 24 hours a day in South Dakota. Cheap to run
| Wattage | Per hour | Per day | Per month | Per year |
|---|---|---|---|---|
| Low 0 W | $0.000 | $0.002 | $0.055 | $0.67 |
| Typical 1 W | $0.000 | $0.004 | $0.11 | $1.35 |
| High 2 W | $0.000 | $0.007 | $0.22 | $2.69 |
Formula: watts ÷ 1000 × hours × price per kWh. Typical use is 24 h/day ≈ 9 kWh per year.
One day of an electric toothbrush charger (0.02 kWh) is the same electricity as
- 2.4hours of Wi-Fi
- 2.7hours of an LED bulb
In South Dakota, with electricity at 15.4¢ per kWh (source: EIA Table 5.6.A, 2026-06), a typical electric toothbrush charger costs $0.000 per hour and about $1.35 per year at 24 hours a day. That is about 16% less than the national average for the US ($0.13 per month), because electricity in South Dakota costs 15.4¢ per kWh against 18.3¢ nationally. Each $1.00 of electricity buys roughly 6,510.4 hours of use.
How to lower the cost of running an electric toothbrush charger
- Unplug the charger when the brush is fully charged if you want to eliminate the last watt.
- Charge every few days rather than leaving it docked constantly to extend battery life.
- Nothing else. This is not where savings are.
In standby it draws about 0.5 W, which adds roughly 4 kWh ($0.67) per year if it is never unplugged.
Frequently asked questions
How much does it cost to charge an electric toothbrush?
Under 10 kWh a year, a dollar or two.
Does the charger use power when the brush is not on it?
Yes, about half a watt on inductive chargers.
Should I unplug my toothbrush charger?
Only for peace of mind. The saving is negligible.
Cost by region
US states
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Canadian provinces
Related appliances
- Hair Dryer1,800 W typical
- Hair Straightener60 W typical
- Heated Towel Rail150 W typical
- Bathroom Exhaust Fan30 W typical
Use the generic electricity cost calculator · Which uses more? Take the quiz