WattCostCalc

Cost to Run a 50-watt TV for 20 hours in Ohio

Running a 50-watt TV for 20 hours uses 1 kWh and costs $0.17 at $0.17/kWh in Ohio. Do that every day and it adds up to $5.10 a month.

$0.17 for 20 hoursat $0.17/kWh

Calculate your own cost

Hours per day:
$0.17per day
Per hour
$0.0090.05 kWh
Per day
$0.171 kWh
Per week
$1.197 kWh
Per month (30 days)
$5.1030 kWh
Per year
$62.05365 kWh

Formula: watts ÷ 1,000 × hours × rate. Edit any box and every number updates instantly.

People also ask

How much does a 50-watt TV cost per hour?

At $0.17/kWh, it costs $0.009 per hour. The maths: 50 W ÷ 1,000 = 0.05 kWh per hour, × $0.17 = $0.009.

How much does it cost per month?

Used 20 hours a day for 30 days, it costs about $5.10 per month and uses 30 kWh. Change the hours in the calculator above to match how you use it.

How many kWh does it use?

1 kWh per day, 30 kWh per month and 365 kWh per year at 20 hours a day. A kWh is one kilowatt (1,000 W) used for one hour. It is the unit on your electricity bill.

How can I lower the cost?

Lower brightness and turn off quick-start modes that keep the TV warm in standby. Check your bill for the exact rate and enter it above.

Does my electricity rate change the answer?

Yes, a lot. At 10¢ per kWh the monthly cost is $3.00 and at 30¢ it is $9.00. Find your rate on your bill (total cost ÷ kWh used) and type it into the calculator.

Cost by hours of use in Ohio

Used per dayEnergy per dayCost per dayCost per monthCost per year
1 hour0.05 kWh$0.009$0.255$3.10
2 hours0.1 kWh$0.017$0.51$6.21
3 hours0.15 kWh$0.026$0.765$9.31
4 hours0.2 kWh$0.034$1.02$12.41
5 hours0.25 kWh$0.043$1.28$15.51
6 hours0.3 kWh$0.051$1.53$18.62
7 hours0.35 kWh$0.06$1.79$21.72
8 hours0.4 kWh$0.068$2.04$24.82
9 hours0.45 kWh$0.077$2.30$27.92
10 hours0.5 kWh$0.085$2.55$31.03
11 hours0.55 kWh$0.094$2.81$34.13
12 hours0.6 kWh$0.102$3.06$37.23
13 hours0.65 kWh$0.111$3.32$40.33
14 hours0.7 kWh$0.119$3.57$43.44
15 hours0.75 kWh$0.128$3.83$46.54
16 hours0.8 kWh$0.136$4.08$49.64
17 hours0.85 kWh$0.145$4.34$52.74
18 hours0.9 kWh$0.153$4.59$55.85
19 hours0.95 kWh$0.162$4.85$58.95
20 hours1 kWh$0.17$5.10$62.05
21 hours1.05 kWh$0.179$5.36$65.15
22 hours1.1 kWh$0.187$5.61$68.26
23 hours1.15 kWh$0.196$5.87$71.36
24 hours1.2 kWh$0.204$6.12$74.46

How we worked it out

  1. Energy per hour: 50 W ÷ 1,000 = 0.05 kWh
  2. Cost per hour: 0.05 kWh × $0.17 = $0.009
  3. Cost per day: × 20 hours = $0.17
  4. Month and year: × 30 days = $5.10, × 365 days = $62.05

Ohio electricity prices

Ohio pays about $0.17 per kWh, which is 3% lower than the US average of $0.175. The same TV would cost $5.25 a month at the national average.

What it costs in different places

Same 50-watt TV, 20 hours a day. Only the local electricity rate changes.

PlaceRate per kWhCost per month
United States$0.175$5.25
California$0.32$9.60
Texas$0.155$4.65
New York$0.25$7.50
Florida$0.155$4.65
Illinois$0.17$5.10
Pennsylvania$0.18$5.40
Ohio$0.17$5.10
Washington$0.115$3.45

About TV running costs

Modern LED TVs use between 50 and 150 W depending on screen size and brightness. Large OLED and older plasma sets use more.

Typical sizes: 50 W, 100 W, 150 W, 200 W.

How to spend less: Lower brightness and turn off quick-start modes that keep the TV warm in standby.

What this estimate assumes

  • The appliance draws its full stated wattage the whole time it is on. Real units with a thermostat cycle off and cost less.
  • Wattage is the typical label value, not a measured value. Check the label on your own appliance.
  • The rate is an approximate residential average in Ohio. Your bill may include fixed fees, tiers or time-of-use pricing. Edit the rate above.
  • A month is 30 days and a year is 365 days.

Read the full calculation methodology

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