Pregnancy Tools — Helpful calculators and trackers to support you every step of the way.

Contraction Timer

Time your contractions to track how long they last and how far apart they are. This tool automatically alerts you when the 5-1-1 pattern is detected.

00:00

Tap to start timing

📋 The 5-1-1 Rule

Head to the hospital when contractions are 5 minutes apart, lasting 1 minute each, for at least 1 hour. This tool will alert you when this pattern is detected.

This is a timing tool only. Always contact your healthcare provider or go to the hospital if you're unsure whether you're in labor.

How to time contractions

Press START when a contraction begins and STOP when it ends. The tool records the duration and calculates the interval between contractions automatically.

The 5-1-1 rule means: go to the hospital when contractions are 5 minutes apart, lasting 1 minute each, for at least 1 hour. Your provider may give you different guidance based on your situation.

Reference: American College of Obstetricians and Gynecologists (ACOG).