Dog Boot Size Calculator

Ruffwear sizes its Grip Trex boots by paw width. Muttluks sizes its all-weather boots by paw length. They're not the same measurement, so there's no way to convert one brand's size into the other's — you need both numbers. Measure with your dog standing and bearing weight on the paw, across the widest point for width, heel to longest toenail for length.

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