Liftsmith

Interval timer

EMOM, Tabata or your own work and rest rounds, with a five-second count-in and a sound before every change. It keeps time even in a background tab.

Total 10:05, with a 5-second count-in.

Ready when you are

1:00

Round 1 of 10

Questions

What is an EMOM?
Every minute on the minute: at the start of each minute you do a set, and you rest for whatever's left of it. Faster sets mean more rest. Ten rounds is ten minutes.
What is a Tabata workout?
Eight rounds of 20 seconds of hard work and 10 seconds of rest, four minutes in all. It comes from Izumi Tabata's 1996 study of interval training.
Does the timer keep going if I switch tabs?
Yes. It works out where you are from the start time, so a background tab or a sleeping screen doesn't throw it off. Sounds may wait until you come back, depending on your browser.
Does it cost anything?
No. It's free, needs no account, and nothing you enter is stored or sent.

More: the heart rate zone calculator, the warm-up calculator and the blog.

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