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Dog Crate Size

Find a recommended crate length so a dog can stand, turn and lie flat.

About Dog Crate Size

A crate should be long enough for the dog to lie fully stretched plus extra allowance, with a somewhat narrower width to keep it snug and den-like. A too-large crate invites a puppy to soil one corner, while a too-small crate is uncomfortable, so matching length is the key sizing factor.

Formula

Dog Crate Size

Crate length = dog length + allowance so the dog can stretch out

allowance
extra inches for standing, turning and lying flat

Worked example

With the default values below, Dog Crate Size returns Recommended Length of 28.0. Change any input above and every figure here is recalculated in your browser.

Inputs used

Dog length nose to tailminimum 6 in
24 in
Extra allowanceminimum 2 in
4 in

Results

Recommended Length
28.0 in
Suggested Width
21.0 in
Size Note
Medium crate

Step by step

  1. 1Values used
  2. 2Dog Crate Size
  3. 3Recommended Length= 28.0 in
  4. 4Suggested Width= 21.0 in
  5. 5Size Note= Medium crate

Assumptions and limits

  • The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 1 decimal place, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is Dog Crate Size calculated?

Crate length = dog length + allowance so the dog can stretch out A crate should be long enough for the dog to lie fully stretched plus extra allowance, with a somewhat narrower width to keep it snug and den-like.

Why does Dog Crate Size matter?

A too-large crate invites a puppy to soil one corner, while a too-small crate is uncomfortable, so matching length is the key sizing factor.

What values do I need to enter?

This calculator takes 2 inputs: Dog length nose to tail, Extra allowance. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.

Dog Crate Size – Calculate Recommended Length | Calcrivo