How do I measure my cat for the right carrier size?

Published: October 03, 2025
Updated: October 03, 2025

Getting the cat carrier size right is vital to keeping your cat safe and healthy during travel. Owners often choose carriers that are too big or too small for their pets. Both situations cause anxiety in the pet. Correct sizing may prevent injury or escape from the carrier. Take great care to measure your pet's safety and peace of mind.

For precise measurement, use these three essential tools. Flexible sewing tape provides the best contour measurement of the body. Electronic bathroom scales provide accurate weight measurements. A helper acts as a supplement to keep your cat calm during the process. Never guess at measurements. Guessing invites dangerous choices in carrier size.

Length Measurement

  • Position your cat standing normally on a flat surface
  • Measure from nose tip to tail base without stretching
  • Record this base length measurement precisely
  • Add 4 inches for minimum carrier length clearance

Height Measurement

  • Measure from floor to top of head while standing
  • Ensure your cat isn't crouching or stretching upward
  • Note the exact height measurement
  • Add 4 inches for proper headroom in carrier

Weight Verification

  • Weigh yourself alone on bathroom scales first
  • Pick up your cat and weigh together
  • Subtract your weight from the combined total
  • Confirm carrier capacity exceeds your cat's weight

Techniques used make restless cats less cloudy. Measure when the cat is in deep sleep (flexible measuring tape). Place rewards along the measuring path. This assists in maximizing natural stretch. For long-haired cats, increase the measurement for the depth of fur. Never compress their fur at the time of measurement.

Carrier Size Recommendations
Cat WeightUnder 5 lbsMinimum Length16 inchesCarrier Type
Soft-sided
Cat Weight5-10 lbsMinimum Length18 inchesCarrier Type
Hard plastic
Cat Weight10-15 lbsMinimum Length20 inchesCarrier Type
Hard plastic
Cat Weight15-20 lbsMinimum Length22 inchesCarrier Type
Extra-strength plastic
Cat WeightOver 20 lbsMinimum Length24+ inchesCarrier Type
Custom reinforced
Add 4 inches to your cat's body length for minimum dimensions

Avoid these common measuring mistakes. When your cat is curled up, this gives false short lengths. Never include the tail portion past the base of the tail. The tail must have free play. Weight limits are crucial for the structural integrity of the carrier. Overloaded carriers burst during travel.

Correct sizing leads to stress-free travels. Cats feel safe in properly sized carriers. They will be able to turn around and lie down comfortably. Your cat will be calmer for vet visits. Start measuring today for safer travels tomorrow.

Read the full article: Choosing the Right Cat Carrier Size Guide

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