We understand that colic is excruciating, which is why we developed the colic duration calculator. For some parents, having an idea about when colic might end naturally can make the burden a little bit easier to bear. Answer the two simple questions below to assess how long baby’s colic may last.

When Will My Child’s Colic End?

At what age did your child begin crying inconsolably?

How old is your child now?


Age your child is now must be less than age colic started.

Please note this information is for informational purposes only and is not a substitute for the diagnosis of a qualified physician.

Here is how our statistical model compares to Wessel’s clinical data.

Our tool uses a statistical model correlated to Dr. Morris Wessel’s original clinical data. Dr. Wessel was the pioneer of the modern diagnostic rule for “colic” known and the “rule of threes.”

Source: Paroxysmal fussing in infancy, sometimes called “colic.” – Wessel MA, et al. Pediatrics. 1954; 14:421-435