Convert 1 Watt-second to Millijoule (1 Ws to mJ)
Looking to convert 1 watt-second (Ws) to millijoule (mJ)? This page provides the accurate result and a detailed explanation of how the conversion is done. Use this information to understand the relationship between Watt-second and Millijoule and how to calculate conversions manually or using online tools.

Looking to convert 1 watt-second (Ws) to millijoule (mJ)? This page provides the accurate result and a detailed explanation of how the conversion is done. Use this information to understand the relationship between Watt-second and Millijoule and how to calculate conversions manually or using online tools.
What is Watt-second to Millijoule Conversion?
Watt-second (Ws) and millijoule (mJ) are both units used to measure energy, but they serve different purposes depending on the scale of the measurement. If you ever need to convert watt-second to millijoule, knowing the exact conversion formula is essential.
Ws to mj Conversion Formula:
One Watt-second is equal to 1000 Millijoule.
Formula: 1 Ws = 1000 mJ
By using this conversion factor, you can easily convert any energy from watt-second to millijoule with precision.
Convert 1 Watt-second to Millijoule
To convert 1 watt-second to millijoule, multiply the value by 1000 since:
1 watt-second = 1000 millijoule
So:
1 × 1000 = 1000
Result: 1 watt-second = 1000 millijoule
Reverse Conversion
Need the reverse result? You can also convert millijoule back to watt-second by dividing 1000:
1000 millijoule ÷ 1000 = 1 watt-second
For more, visit: Millijoule to Watt-second
Explore Related Conversion Tool
This page focuses specifically on converting 1 Watt-second to Millijoule. If you're looking to convert a different value, you can use our general conversion tool:
Frequently Asked Questions
What is 1 watt-second in millijoule?
1 watt-second is equal to 1000 millijoule.
How do I convert watt-second to millijoule?
Multiply the value in watt-second by 1000 to get the equivalent in millijoule.