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Word problemsArithmeticMiddle schoolabout 0:32

How many seconds are in 2.5 hours?: animated lesson

A narrated, step-by-step word problems video lesson with captions. Final answer: 9000 seconds.

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Video with a synthetic English voice and captions. Pick another language for subtitles in that language, or open the interactive version.

Video narrated by a synthetic voice (Piper TTS, en_US-ljspeech-high voice (LJ Speech dataset, public domain)); the steps come from our maths engine and the answer was checked independently. Download MP4 (0.2 MB) · Captions (WebVTT)

Steps on screen

1. The problem
Worked example
How many seconds are in 2.5 hours?
2. Step by step
1. Conversion factor
2. Multiply
3. The answer
$\text{9000 seconds}$
9000 seconds
4. Check
- 9000 ÷ 3600 = 2.5 ✓

Transcript

The problem. Here is the problem: How many seconds are in 2.5 hours? Convert 2.5 hours to seconds.

Step by step. Conversion factor. 1 hour equals 3600 seconds. Multiply. 2.5 times 3600 equals 9000.

The answer. So the answer is 9000 seconds. Convert 2.5 hours to seconds.

Check. 9000 divided by 3600 equals 2.5, which checks out.

About word problems

Turn everyday situations about prices, speed, ages and interest into equations and solve them.

How many seconds are in 2.5 hours?: Word problems Lesson