Finding the perfect leather dog collar isn’t just about looks — it’s about getting the right fit to ensure your dog’s comfort and safety. A collar that’s too tight can cause irritation, while one that’s too loose might slip off during walks. Whether you have a small pup or a large breed, knowing how to measure your dog’s neck for a collar is essential.
In this guide, we’ll walk you through step-by-step instructions, common mistakes to avoid, and helpful sizing tips to ensure you choose the best fit leather dog collar every time.
Why Proper Collar Fit Matters
Before jumping into measuring, let’s highlight why sizing is so important.
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🔒 Safety: A properly fitted collar reduces the risk of slipping off or choking.
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🐾 Comfort: Too-tight collars can cause chafing, matting of fur, or even breathing issues in extreme cases.
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🎯 Functionality: The right size ensures the leash, ID tags, and training tools work correctly.
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💎 Longevity: Leather dog collars mold to your dog’s neck over time — the better the fit, the better the wear.
What You’ll Need
To measure your dog’s neck accurately, grab these simple tools:
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A soft measuring tape (like the ones used in sewing)
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A ruler and string (if you don’t have a flexible tape)
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A pen and paper to note the measurements
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A treat or two to reward your pup for standing still 🦴
Step-by-Step: How to Measure Your Dog’s Neck for a Collar
✅ Step 1: Locate the Correct Area
Measure the base of your dog’s neck, where the collar naturally sits. This is typically just below the ears and above the shoulders.
📌 Tip: If your dog already wears a collar, use its current position as your guide — but don’t rely on its size label!
✅ Step 2: Wrap the Measuring Tape
Wrap the soft tape snugly around your dog’s neck at the measured area. Pull it so it’s close to the skin, but not tight.
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You should be able to comfortably slide two fingers between the tape and your dog’s neck.
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This is known as the “two-finger rule” — a gold standard for ensuring comfortable dog collar fit.
Write down the number in inches or centimeters.
✅ Step 3: Add the Correct Buffer
Depending on your dog’s size and coat thickness:
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Add ½ inch (1.25 cm) for small dogs
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Add 1 inch (2.5 cm) for medium to large dogs
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For very fluffy breeds, add an extra buffer to account for fur compression
This ensures that the collar won’t be too snug once buckled.
✅ Step 4: Compare with Size Charts
Every brand has different sizing standards. Once you have your neck measurement, check the brand’s collar sizing chart before purchasing.
For example, at GAD Roots, our leather dog collar sizing follows this general guide:
| Neck Size (inches) | Collar Size | Suitable For |
|---|---|---|
| 10" – 13" | Small | Yorkies, Dachshunds |
| 13" – 17" | Medium | Beagles, Cocker Spaniels |
| 17" – 21" | Large | Labradors, Huskies |
| 21" – 25" | XL | German Shepherds, Rottweilers |
Always measure first — don’t guess based on breed alone!
How to Measure If You Don’t Have a Tape
Don’t worry if you don’t have a soft measuring tape. Use a piece of string or ribbon:
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Wrap it around the same area on the neck.
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Mark where the string meets itself.
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Lay it flat next to a ruler to get the exact length.
Bonus Tip: Measuring an Existing Collar
If you have a collar that fits well already:
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Lay it flat.
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Measure from the buckle to the hole that you use regularly (not the total length).
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That number is your target collar length.
Make sure the new collar you buy offers that length in its adjustable range.
How Should a Leather Dog Collar Fit?
Once you receive your new leather collar, try it on your dog and check for the following:
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You can fit two fingers comfortably under the collar.
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The collar doesn’t slide around excessively.
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It doesn’t cause your dog to scratch, whine, or show signs of discomfort.
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It’s not pressing against the skin or fur too tightly.
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It sits snugly but allows your dog to breathe, bark, eat, and play with ease.
🎯 A leather collar will soften and mold to your dog’s neck over time — that’s the beauty of premium leather.
Common Sizing Mistakes to Avoid
🚫 Guessing Based on Weight or Breed
Dogs of the same breed can have different neck sizes. Always measure.
🚫 Using the Old Collar's Label
Leather stretches. Labels lie. Measure fresh.
🚫 Ignoring Fluff Factor
Thick coats require extra room. Don’t forget to account for it.
🚫 Over-tightening
More snug does not mean more secure. Trust the two-finger rule.
Best Time to Measure Your Dog
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After exercise, when your dog is calm
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While standing in a relaxed position
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When they’re not panting heavily (to avoid overestimation)
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Preferably with help or while offering treats
Pairing the Right Collar With the Right Fit
Measuring is only half the journey. Once you’ve got the fit right, choose a collar that suits your dog’s lifestyle:
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Padded leather collars for extra comfort
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Double-layered collars for large, strong breeds
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Colorful or engraved collars for dogs who love to show off
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Slimline collars for lightweight comfort on smaller dogs
👉 Explore our full range at GAD Roots Leather Dog Collars — handcrafted, durable, and designed for the perfect fit.
Getting the correct size collar for your dog is about more than just measurements — it’s about safety, comfort, and care. With the right tools and a little attention to detail, you can choose a comfortable leather dog collar that fits perfectly and lasts for years.
So grab your tape, measure once, buy once — and let your pup wear their new collar with pride.
