Puppy crate guide

Puppy crate sizing without guessing

Use adult measurements where possible, then control the usable area with a divider.

How to use an adult-size crate estimate for a puppy while keeping the sleeping area practical during house training.

Open the dog crate size calculator

Start with expected adult fit

If you know the expected adult size, calculate for the adult dog and choose a crate that can be divided while the puppy grows.

When to remeasure

Remeasure after noticeable growth spurts or whenever the puppy can no longer stretch out comfortably.

Puppy crate setup checks

DecisionWhy it mattersAction
Adult-size crateCan avoid buying twiceUse a divider while the puppy is small.
Divider positionControls the current sleeping areaMove it after growth spurts.
RemeasuringPuppies change shape quicklyCheck length, sitting height, and width regularly.

This is a sizing guide, not airline, travel, or veterinary advice.

Worked examples