Enter the power in watts and the time in hours into the calculator to determine the energy input in watt-hours.
Energy Input Formula
The following formula is used to calculate the energy input:
E = P * t
Variables:
- E is the energy input (watt-hours)
- P is the power (watts)
- t is the time (hours)
To calculate the energy input, multiply the power by the time.
What is Energy Input?
Energy input is the total amount of energy supplied to a system or device over a period of time. It is typically measured in watt-hours (Wh) or kilowatt-hours (kWh), which are units of energy that represent the power in watts multiplied by the time in hours. Energy input is a key factor in determining the efficiency and energy consumption of electrical devices and systems.
How to Calculate Energy Input?
The following steps outline how to calculate the energy input:
- First, determine the power (P) in watts.
- Next, determine the time (t) in hours.
- Next, gather the formula from above = E = P * t.
- Finally, calculate the energy input (E) in watt-hours.
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem:
Use the following variables as an example problem to test your knowledge.
Power (P) = 1500 watts
Time (t) = 2 hours
