How to Measure Your Dog for a Perfect Collar Fit
How to Measure Your Dog for a Perfect Collar Fit
A properly fitted dog collar is more than a style choice — it’s a safety and comfort necessity.
Whether you’re shopping for a Soft-Flex Waterproof Dog Collar or a classic nylon collar, getting the fit right ensures your dog can move freely without risk of slipping out or feeling restricted.
Here’s a step-by-step guide for dogs of all sizes.
Step 1: Choose the Right Collar Type
Before measuring, decide which collar works best for your dog:
- Standard collars: Great for everyday walks
- Waterproof collars: Perfect for active dogs, swimming, or rainy days
- Breakaway collars: Best for small or indoor dogs (if unsupervised)
Tip: Our Soft-Flex collars are lightweight, adjustable, and durable, ideal for most dogs.
Step 2: Measure Your Dog’s Neck
You’ll need a soft measuring tape (like a sewing tape) or a piece of string you can later measure with a ruler.
- Wrap the tape around the thickest part of your dog’s neck, usually just below the ears.
- Make sure it’s snug but not tight. You should be able to slide two fingers between the collar and the neck.
- Note the measurement in inches or centimeters.
Pro Tip: Measure twice to ensure accuracy — dogs move, and it’s easy to get a slightly off reading.
Step 3: Add Some Extra Room
A good rule of thumb:
Neck measurement + 1–2 inches (2–5 cm) = ideal collar size
This allows your dog to move comfortably while keeping the collar secure.
- Too tight → discomfort, chafing, difficulty breathing
- Too loose → risk of slipping out, snagging, or catching on objects
Step 4: Consider Your Dog’s Breed and Activity Level
Some dogs have thick fur, floppy ears, or slender necks, which can affect fit:
- Fluffy or long-haired breeds → consider slightly looser fit to avoid matting
- Puppies → collars need frequent adjustment as they grow
- Active dogs → adjustable, durable collars are key for pulling, swimming, or playing
Step 5: Check Collar Width
The width of the collar matters for comfort and control:
- Small dogs (<20 lbs / 9 kg) → ¾” width is usually enough
- Medium dogs (20–50 lbs / 9–23 kg) → 1” width provides balance
- Large dogs (>50 lbs / 23 kg) → 1–1.5” width for strength and comfort
A wider collar distributes pressure better, especially for active dogs.
Step 6: Test the Fit Before Full Use
Once you select a collar:
- Put it on your dog and check that two fingers fit comfortably
- Watch your dog for signs of discomfort (scratching, pawing, or rubbing)
- Adjust if needed before long walks or water activities
Remember: a proper fit protects your dog while allowing them to enjoy life comfortably.
Why Proper Fit Matters
A well-fitted collar:
- Keeps ID tags visible and secure
- Prevents accidental escapes
- Reduces risk of injury during play or walks
- Feels comfortable so your dog forgets they’re even wearing it
At Monterey × Jack, we design our collars to be adjustable, lightweight, and safe, because comfort and safety come first — every dog deserves that.
Quick Fit Checklist
- Measure the thickest part of the neck
- Add 1–2 inches for comfort
- Ensure two fingers can fit under the collar
- Choose the appropriate width for your dog’s size
- Check adjustability and durability, especially for water or outdoor use
Shop our Soft-Flex Waterproof Dog Collars — adjustable, durable, and perfect for dogs who love adventure.