90 Second Timer

Ninety seconds is a minute and a half, a typical rest between muscle-building sets and a quick microwave reheat.

--:--

Rings even in a background tab · Space bar = start/pause

What can you do in 90 seconds?

Tip: Start the rest timer the moment you rack the weight so your breaks stay consistent from set to set.

90 seconds in other units

1.5 minutes
90 seconds
90,000 milliseconds
2.5% of an hour
fits 960 times into a day

Need a different length? Use the custom countdown timer, or set a clock-time alarm instead.

All timers

Seconds

Minutes

Hours

90-second timer FAQ

How do I set a timer for 90 seconds?
Press Start on this page. The 90-second countdown begins immediately — no settings to change. Press the space bar to pause or resume.
Will the 90-second timer ring if I switch tabs?
Yes. The countdown runs from a fixed end time, so it keeps going and rings in a background tab. The remaining time also shows in the tab title. Keep the tab open and the device unmuted.
Can I get a notification when it ends?
Yes — allow notifications when your browser asks after you press Start. You'll get a desktop or phone notification in addition to the beep.
Does it work offline?
Yes. After your first visit the page is cached, so the timer works without an internet connection.