To convert 12.5 hours to seconds, we will proceed step-by-step using unit conversions.

Step 1: Convert hours to minutes

We know: $1 \text{ hour} = 60 \text{ minutes}$ So, to convert 12.5 hours to minutes: $12.5 \times 60 = 750 \text{ minutes}$

Step 2: Convert minutes to seconds

We know: $1 \text{ minute} = 60 \text{ seconds}$ So, to convert 750 minutes to seconds: $750 \times 60 = 45,000 \text{ seconds}$

Thus, 12.5 hours is equivalent to 45,000 seconds.

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Here are 5 related questions:

1. How would you convert days into seconds?
2. How many seconds are in 1 week?
3. What is the ratio of hours to seconds for 24 hours?
4. How do you convert 30 minutes into milliseconds?
5. What is the equivalent of 2.75 hours in minutes?

Tip: Always break down larger unit conversions into smaller steps for better accuracy.