40 Minute Timer
Forty minutes is a common length for a school lesson, so teachers use it to keep track of a full class period. Press play to start the 40 minute countdown, or switch the direction to count up.
Full screen with only the timer. Made for projectors, TVs, and smartboards.
What people use a 40 minute timer for
- Pace a full 40-minute lesson
- Sit a mock exam section
- Go for a long run
How long is 40 minutes?
40 minutes is 2,400 seconds. The timer starts at 40:00 and alerts you when it reaches zero.
What is a 40 minute timer good for?
Forty minutes is a common length for a school lesson, so teachers use it to keep track of a full class period. People also use it to pace a full 40-minute lesson, sit a mock exam section, or go for a long run.
Can I project the 40 minute timer on a big screen?
Yes. Click Present on a big screen and the page shows only the timer, full screen, in digits large enough to read from the back of a room.
Can the 40 minute timer count up or finish silently?
Yes. Count up climbs from 00:00 to 40:00 and still alerts you at the end, and setting the alarm to Off gives a silent finish.
More Countdown Timers
Jump straight to a preset countdown. Every timer starts with one click.
- Custom Timer
- 1 Minute Timer
- 2 Minute Timer
- 3 Minute Timer
- 4 Minute Timer
- 5 Minute Timer
- 6 Minute Timer
- 7 Minute Timer
- 8 Minute Timer
- 9 Minute Timer
- 10 Minute Timer
- 11 Minute Timer
- 12 Minute Timer
- 13 Minute Timer
- 14 Minute Timer
- 15 Minute Timer
- 16 Minute Timer
- 17 Minute Timer
- 18 Minute Timer
- 19 Minute Timer
- 20 Minute Timer
- 25 Minute Timer
- 30 Minute Timer
- 35 Minute Timer
- 45 Minute Timer
- 50 Minute Timer
- 55 Minute Timer
- 60 Minute Timer
- 90 Minute Timer
- 120 Minute Timer