Choosing the correct harness size is important for your dog’s comfort and safety. The most accurate way to select a harness is by measuring the chest size and matching it with the correct size category.
Below is a complete dog harness size chart with chest measurements and common breeds.
Dog Harness Size Chart
| Size | Chest Size cm | Dog Breeds |
|---|---|---|
| XXS | 35 to 40 | Teacup Chihuahua Toy Poodle Puppy Mini Breeds |
| XXS | 39 to 45 | Chihuahua Puppy Dachshund Puppy Whippet |
| XS | 41 to 46 | Pomeranian Mini Pinscher Small Puppies |
| XS | 45 to 53 | Dachshund Maltese Shih Tzu Yorkshire Terrier Cavoodle |
| S | 50 to 55 | Jack Russell Terrier Mini Schnauzer Small Mixed Breeds |
| S | 53 to 61 | Corgi Pug French Bulldog Puppy Bulldog Puppy Staffy |
| M | 58 to 65 | Border Collie Small Beagle Medium Mixed Dogs |
| M | 62 to 75 | Beagle English Staffy Standard Poodle Bulldog |
| L | 65 to 75 | Australian Shepherd Large Mixed Breeds |
| L | 67 to 85 | Boxer Golden Retriever Greyhound Samoyed Kelpie |
| XL | 75 to 90 | Labrador Husky German Shepherd Dalmatian |
| XL | 79 to 103 | Rottweiler Mastiff Great Dane Chow Chow |
How to Measure Dog Chest for Harness
Use a soft measuring tape and measure around the widest part of your dog’s chest. Keep the tape snug but not tight. Always leave 1 to 2 cm space for a comfortable fit.
Choosing Between Two Sizes
If your dog falls between two sizes then body shape matters.
Slim dogs like Whippet and Greyhound should go for the smaller size.
Broad dogs like Bulldog and Rottweiler should go for the larger size.
Perfect Harness Fit Guide
A properly fitted harness should allow two fingers space between the harness and the dog’s body. The harness should not move too much or rub the skin. Your dog should walk comfortably without restriction.
Common Mistakes to Avoid
Do not choose size based only on breed. Always measure the chest.
Do not pick a tight harness as it can cause discomfort.
Do not pick a loose harness as the dog can escape.
Final Note
Chest measurement is the most important factor when selecting a harness. Always measure your dog and then match it with the size chart for the best fit.