Cronômetro preciso com tempos parciais e timer personalizável.
Precisão de milissegundo. Experimente a Calculadora de Duração.
Combine com o Timer Pomodoro.
Milissegundo.
Sim.
Sim, visual e sonoro.
Millisecond-accurate stopwatch with lap time recording.
Set custom countdown timers for any duration.
Record and review split times and lap intervals.
Free online stopwatch and countdown timer with millisecond precision. Record lap times, set custom countdowns, and time anything with our easy-to-use tool. Works on any device — no installation needed.
Our stopwatch is accurate to milliseconds using your browser's high-resolution timer API.
Yes! Click the Lap button during timing to record split times. All laps are displayed with individual and cumulative times.
Yes, you'll hear an audio alert when the countdown reaches zero. Works even when the browser tab is in the background.
Last updated: February 12, 2026