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To convert from Watt-hour (Wh) to Watt-minute (Wm), use the following formula:
Let's convert 5 Watt-hour (Wh) to Watt-minute (Wm).
Using the formula:
Therefore, 5 Watt-hour (Wh) is equal to Watt-minute (Wm).
Here are some quick reference conversions from Watt-hour (Wh) to Watt-minute (Wm):
| Watt-hours | Watt-minutes |
|---|---|
| 0.000001 Wh | Wm |
| 0.001 Wh | Wm |
| 0.1 Wh | Wm |
| 1 Wh | Wm |
| 2 Wh | Wm |
| 3 Wh | Wm |
| 4 Wh | Wm |
| 5 Wh | Wm |
| 6 Wh | Wm |
| 7 Wh | Wm |
| 8 Wh | Wm |
| 9 Wh | Wm |
| 10 Wh | Wm |
| 20 Wh | Wm |
| 30 Wh | Wm |
| 40 Wh | Wm |
| 50 Wh | Wm |
| 100 Wh | Wm |
| 1000 Wh | Wm |
| 10000 Wh | Wm |
For all Energy converters, choose units using the From/To dropdowns above.
Ever looked at the back of a battery pack and felt confused by the numbers? You're not alone!
One of the most important measurements you'll see is the Watt-hour (Wh).
Think of it as the fuel gauge for your electronic devices. This simple guide will break down precisely what a Wh is and why it matters.
A Watt-hour (Wh) is a unit that measures energy. Specifically, it tells you how much energy a device uses over a specific period.
The concept is simple: one Watt-hour is the amount of energy consumed when one watt of power is used for precisely one hour.
A helpful analogy is a car's gas tank. The Watt-hour rating on a battery is like the size of the tank—it tells you the total amount of energy it can store.
The power your device draws (measured in Watts) is like how fast you're driving and using up that gas.
A battery with a higher Wh rating holds more energy and can power your device for longer, just like a larger gas tank lets you drive farther.
You'll find Wh ratings on many of the rechargeable devices you use daily. It's a key indicator of battery capacity and runtime. Some common examples include:
The Watt-hour is directly related to the joule (J), which is the standard scientific unit for energy. The conversion is straightforward:
This is because a watt is defined as one joule per second, and there are 3,600 seconds in an hour (60 seconds × 60 minutes).
A kilowatt-hour (kWh) is simply 1,000 Watt-hours. The prefix "kilo-" means one thousand.
You're probably most familiar with kWh from your home electricity bill. Utility companies use this larger unit to measure your household's monthly energy consumption.
So, when you see that you used 500 kWh last month, it means you used 500,000 Watt-hours of energy.
A Watt-minute (Wm) is a unit of energy that measures the total energy consumed when one watt of power is applied for exactly one minute.
The plural form is Watt-minutes.
To make it easier to understand, think of it like filling a bucket with a hose. If a watt is the speed at which water flows, a Watt-minute is the total amount of water in the bucket after the hose has been running for one minute.
One Watt-minute is precisely equal to 60 Joules (J).
This conversion is simple because a watt is defined as one joule per second (1 W = 1 J/s). Since there are 60 seconds in a minute, the calculation is straightforward:
1 Watt-minute = 1 Watt × 60 seconds = 60 Joules
This simple formula makes the Wm to J conversion easy to remember for any energy calculation.
While you're more likely to see Watt-hours (Wh) or kilowatt-hours (kWh) on your electricity bill, the Watt-minute is an essential unit for more precise energy measurement in specific fields.
It's most useful in situations where energy is tracked over short intervals, such as: