Biology

Rat Cage Size Calculator

Find the minimum cage volume for pet rats.

Calculated Output

Minimum cage volume 5

Volume (cm³) 141,584

Formula: volume = rats × volume per rat

Step-by-Step Breakdown

1. Values used:

2. Number of rats = 2

3. Volume per rat = 2.5

5. Minimum cage volume = Number of rats x Volume per rat = 2 x 2.5 = 5

6. Volume = 141,584cm³

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The math behind it

Provide at least ~2.5 ft³ of cage volume per rat; more vertical space is ideal.

2 rats → at least 5 ft³.

Bar spacing?

Keep it under ~½ inch so rats can't squeeze out.