Bump Timeline

Everything you enter stays on this device. Nothing is uploaded, ever. This calculator runs entirely in your browser and makes no network requests. It gives an estimate for planning purposes only and is not medical advice.

Use the stepper for one-day adjustments, or open the picker for an exact date.

 
 
 

Your 40-week timeline

Trimester 1 Trimester 2 Trimester 3 Today

 

This tool estimates a due date from average timelines and is for informational purposes only, not a medical diagnosis. Only about 1 in 20 babies arrive on the exact estimated date. Confirm dates and monitor your pregnancy with a doctor or midwife.