Stopwatch.ca / All tools
Every timing tool
All free, all in the browser, and everything you record stays on your device.
Stopwatches
Laps · 1/100,000 sStopwatchFrom whole seconds to 1/100,000 s, eight units including video timecode, laps with pace and targets, a face of your choice.Race modeMulti-stopwatchTime several people at once, or start everyone together and tap each finisher.Speedrun · raceSplit timerNamed segments compared live against your personal best, with gold splits and sum of best.Decimal minutes · TMUTime study stopwatchElement-by-element time study in 0.01 min, decimal hours or TMU, with rating and allowance.Daily totalsStudy stopwatchTrack study time by subject with daily totals, a 14-day chart, streaks and break reminders.
Timers
AlarmCountdown timerAny duration, one-tap presets, a loud alarm, repeat, overtime count-up and a face of your choice.HIIT · TabataInterval timerWork, rest, rounds and sets with voice cues — Tabata, EMOM, boxing rounds and custom.Focus · breaksPomodoro timer25-minute focus sessions, short and long breaks, a session count and any face.Days · hoursCountdown to a dateDays, hours and seconds until any date, plus holiday countdowns.Count upTime sinceHow long since any moment — years, months, days and seconds.Green · yellow · redSpeech timerTiming lights for talks, speech contests, presentations and debates.Soft to hardEgg timerBoiled egg timing with one-tap presets for soft, jammy, medium and hard.Steep timesTea timerSteeping times and water temperatures by tea type, with a liquid timer.
Clocks
Analog · digital · retro26 clock facesFlip, nixie, LED, chronograph, radar, word clock and more — each a clock, stopwatch and countdown.Full screenOnline clockThe time right now on any face, any time zone, 12- or 24-hour, full screen.Time zonesWorld clockThe time in cities around the world at once, with a time-travel slider for planning calls.Send-off beepsSwim pace clockA big sweep-hand clock that runs continuously, with a beep at every send-off interval.MillisecondsIs my clock accurate?Measure how far your device's clock is from network time.
Games and sport
Game clock · shot clockScoreboardScores, periods, a game clock, a shot clock and a horn, on big amber digits.Increment · delayChess clockTwo-player clock with Fischer increment, Bronstein and simple delay, and standard presets.Inspection · ao5Cube timerHold-to-start, 15-second inspection with +2 and DNF, scrambles, ao5, ao12 and ao100.MillisecondsReaction time testFive-try reaction test with average and best, measured from the moment green appears.24 · 14 · 30 sShot clockA basketball-style shot clock with 24, 14 and 30-second presets.
Music and calculators
Tap tempoMetronomeTempo, time signatures, subdivisions and a swinging pendulum.Add · subtractTime calculatorAdd and subtract hours, minutes and seconds, or a duration to a date.RunningPace calculatorPace, time and distance, with splits and race predictions.UnitsTime converterConvert between nanoseconds, seconds, hours, days and decimal hours.TimesheetHours calculatorHours between two times, with breaks, overnight shifts and a weekly total.