Rat Cage Size Calculator
Find the minimum cage volume for pet rats.
Rats are social and active, needing generous, multi-level cages.
How the Math Works
The Rat Cage Size Calculator uses a straightforward volume formula: volume equals the number of rats multiplied by the recommended volume per rat. For example, if each rat needs 7 cubic feet of space and you have 3 rats, the calculation is 3 times 7, which equals 21 cubic feet. This simple multiplication gives you the minimum cage volume required to keep your pets comfortable and healthy.
Practical Applications
To use this calculator, first determine how many pet rats you have or plan to adopt. Then multiply that number by the recommended cubic feet per rat, which is typically 7 cubic feet for adult rats. You can also adjust the volume per rat based on your pets' specific needs - larger rats or multiple generations may require more space. This calculation helps you select an appropriately sized cage before making a purchase.
Day-to-Day Use
Knowing the right cage size prevents overcrowding, which can lead to stress-related behaviors, health problems, and aggression among your rats. Proper cage sizing ensures your pets have adequate room to exercise, explore, and express natural behaviors, contributing to their long-term happiness and wellness. When shopping for cages, you can quickly verify if a particular model meets your rats' spatial requirements without guesswork.
Worked example
2 rats → at least 5 ft³.
FAQ
Bar spacing?
Keep it under ~½ inch so rats can't squeeze out.