To convert 3 minutes to seconds, use the fact that:

$1 \text{ minute} = 60 \text{ seconds}$

So,

$3 \text{ minutes} = 3 \times 60 = 180 \text{ seconds}$

Therefore, 3 minutes is equal to 180 seconds.

Would you like more details or have any questions about this?

Here are some related questions:

1. How many seconds are in 5 minutes?
2. How many minutes are in 180 seconds?
3. How can I convert hours to seconds?
4. What is the formula for converting minutes to seconds?
5. How do I convert seconds to hours?

Tip: To quickly convert any number of minutes to seconds, simply multiply by 60!