Baby & Parenting

Contraction timer

Time the duration and frequency of contractions.

  • Instant
  • Free
  • Private (processed locally)
  • No sign-up
TimeDurationInterval

ℹ️ Frequency is the gap between two starts. 5-1-1 rule: seek care if contractions every 5 min, 1 min each, for 1 h. 100% local.

Time your contractions

Press the button at the start of a contraction, then at the end. The tool keeps the log and computes average duration and frequency.

Key points

  • Duration = length of a contraction
  • Frequency = gap between two starts
  • 5-1-1 rule: 5 min / 1 min / 1 h
  • When in doubt, call the hospital

Everything stays in your browser. A tracking tool, not medical advice.

Frequently asked questions

How does it work?

Press Start when a contraction begins, Stop when it ends. The tool records the duration and the interval since the previous start.

What is the 5-1-1 rule?

Common guide: contractions every 5 min, 1 min each, for 1 h → it is often time to call the hospital.

Duration or frequency?

Duration = how long a contraction lasts. Frequency = time between the starts of two consecutive contractions.

Is my data private?

Yes: everything stays in your browser, nothing is sent or stored online.