Diaper Size Calculator

Leg gaps: no visible gaps around thighs.
Waist snugness: two fingers should fit comfortably.
Back coverage: diaper should sit high enough at the back.
Cuff position: pull inner cuffs outward after wearing.

Find the right diaper size from your baby's weight and age—free, private, runs in your browser.

Baby inputs

Baby weight

Baby age (months)

Recommended size: —

Weight range: —

Fit tip: —

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