Best budget collar
Budget / $Blueberry Pet adjustable collar medium
Budget collar comparison for medium neck ranges.
Amazon / $ / Basic ID wear
Size category guide
Start with small dog sizing patterns, then confirm your dog's real measurements against the product brand chart.
Interactive tool
Answer a few fields, then compare the result with the brand chart before ordering.
Start here
Enter breed, weight, and any measurements you have.
Recommended size
Why this size
This is a broad weight-based estimate. Measurements will produce a more useful result.
Confidence
Breed or weight estimate
Before buying
Compare this result with the brand's chart and fit notes.
Measure this next
Measure neck circumference next for a tighter result.
Size up if
Size up if the adjusted collar cannot pass the two-finger fit test without sitting at the last hole.
Avoid if
Avoid collars that can slip over the ears or tighten against the throat.
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Product picks are starting points. Confirm size, price, and availability on Amazon before buying.
Best budget collar
Budget / $Budget collar comparison for medium neck ranges.
Amazon / $ / Basic ID wear
Wide everyday collar
Balanced / $$Balanced medium-dog collar search with wider webbing and reflective options.
Amazon / $$ / Medium dogs
Breed examples
12-18 lb typical adult range
11-15 lb typical adult range
12-25 lb typical adult range
13-18 lb typical adult range
25-38 lb typical adult range
13-18 lb typical adult range
22-38 lb typical adult range
8-15 lb typical adult range
11-32 lb typical adult range
16-28 lb typical adult range
7-13 lb typical adult range
13-17 lb typical adult range
12-18 lb typical adult range
11-20 lb typical adult range
22-31 lb typical adult range
14-18 lb typical adult range
10-25 lb typical adult range
9-15 lb typical adult range
More category guides