Sizing & Measuring Guide for Dogs when Purchasing
Many products vary in size between Brand Labels & manufacturers, who use their own size charts, which may lead to confusion as there is no universal sizing in the dog world.
We highly recommend checking your dogs measurements with each style and brand, as sizes can vary from product to product.
This is vitally important to save buying wrong sized items for your fur babies.
Neck Size
With a tape measure, gently encircle your dogs neck where the collar would sit.
Allow 2 finger space between the tape & the dogs neck to ensure a comfortable fit

Chest Size
Use the tape measure to gently encircle your dogs chest at it’s widest point, normally just behind the front legs.
Allow 2 finger space between the tape & the dogs girth to ensure a snug.

Length
Measure the distance from your dogs neck where the collar sits to where the tail starts.
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Dog Goggles
View our how to measure for Goggles Guide here.
Dogs come in various head shapes and sizes making it important to measure your doggy first, to ensure the right fit.
1. Use a soft tape measure and measure above your fur baby's eyes, from temple to temple to avoid any discomfort.
2. Compare your dog's measurement to the width/size of the Goggles to ensure the best fit!
*Tip: If you only have a ruler, use a piece of string or ribbon, run it from temple to temple, then straighten it out against a ruler to get the measurement.

Dog Hats
Dogs come in various head shapes and sizes making it important to measure your doggy first, to ensure the right fit.
Circumference: Use a soft tape measure and measure the distance around the head at the thickest point (just in front of the ears).

Diameter: Compare your dog's measurement to the width /size of the Goggles to ensure the best fit!

Dog Shoes & Socks
Measure your dog's paws to ensure a comfortable fit.
- Place the paw on a piece of paper and press down on the top, mimicking how the paw spreads when the dog's walking.
- Mark the left and the right side on the paper and measure the distance between the marks.
- Mark the Front & Back of the Paw on the paper and measure the distance between the marks.
Compare this to the Sock Width & Length in the product description.

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Every dog is different in size and shape, so please make sure that you measure and double check the sizing of your fur-baby before making a size selection.
Please also note, Big & Little Dogs may be different to other brands that are on the market. Ensure that you double check the sizing of each harness.
We would recommend not assuming that you will be the same size as another brand.
Also note that each Harness Type does have a different sizing, so please ensure to check the size chart prior to purchasing, as your pup may be in a different size in each type of harness.
If you're still not sure which would be the best fit, send us an email to sales@doggytopia.com.au with the following details and we will suggest the best fit for them:
1. Measure around the widest part of the base of the neck (the area where the collar would naturally sit)
2. Measure around the widest part of your dog's ribcage, just behind their front legs
3. Which products you would like sizing suggestions for
Here are a couple of tips for sizing:
- For neck and chest, please allow sufficient room to slip two fingers between the measuring tape and the dog’s neck or chest. A snug fit is what you are aiming for - just make sure it is not too tight or chokes your pet.
- Order the next size up if your dog falls between measurements.

Big & Little Dogs
Reversible Harness Sizing
| Size |
Neck (cm) (Maximum Size) |
Chest (cm) |
| XXS | 21cm | 29cm - 37cm |
| Extra Small | 28cm | 36cm - 40cm |
| Small | 30cm | 41cm - 53cm |
| Medium | 35cm | 47cm - 60cm |
| Large | 41cm | 52cm - 72cm |
| Extra Large | 45cm | 58cm - 81cm |
* Neck is maximum size fit.
If your pup is larger than the maximum size, we suggest going up a size (neck size will be looser if your pup is not the exact maximum size)
Big & Little Dogs
Adjustable Harness Sizing
|
Size
|
Neck (cm)
|
Chest (cm)
|
|
Extra Small
|
26cm – 32cm
|
35cm – 50cm
|
| Small | 33cm – 39cm | 42cm – 59cm |
| Medium | 35cm – 44cm | 43cm – 59cm |
| Large | 40cm – 47cm | 53cm – 80cm |
| Extra Large | 44cm – 58cm | 57cm – 85cm |
Big & Little Dogs
Classic Print Harness Sizing
| Size |
Neck (cm) (Maximum Size) |
Chest (cm) |
| Extra Small | 26cm | 34cm - 45cm |
| Small | 36cm | 35cm - 53cm |
| Medium | 38cm | 48cm - 73cm |
| Large | 43cm | 55cm - 81cm |
| Extra Large | 49cm | 62cm -94cm |
| Extra Extra Large | 54cm | 71cm - 97cm (note: chest strap is 3.8cm wide) |
* Neck is maximum size fit.
If your pup is larger than the maximum size, we suggest going up a size (neck size will be looser if your pup is not the exact maximum size)
Please note: if you already own one of the following Classic Print Harnesses (Camo, Love is Love, Perfect Petals, Dino-Mite, Palms for Dayze, Pine For You or Wild Love), sizing has changed and you will need to re-check which size you should purchase.
If you do have any issues, please email sales@doggytopia.com.au with your neck and chest measurement or the size and design you already own and we can help you out!)
Big & Little Dogs
Classic Plain Harness Sizing
| Size |
Neck (cm) (Maximum Size) |
Chest (cm) |
| Extra Small | 26cm | 34cm - 45cm |
| Small | 36cm | 35cm - 53cm |
| Medium | 38cm | 48cm - 73cm |
| Large | 43cm | 55cm - 81cm |
* Neck is maximum size fit.
If your pup is larger than the maximum size, we suggest going up a size (neck size will be looser if your pup is not the exact maximum size)
Big & Little Dogs
Strap Harness Sizing
| Size | Neck (cm) | Chest (cm) | Strap Size (mm) |
| Small | 30.5cm - 46cm | 38cm - 54cm | 15mm width |
| Medium | 36cm – 60cm | 48cm – 70cm | 20mm width |
| Large | 50cm – 78cm | 64cm – 100cm | 25mm width |
Big & Little Dogs
All Rounder Harness Sizing
|
Size |
Neck |
Chest |
|
XS |
25 - 31cm |
25 - 50cm |
|
S |
30 - 45cm |
35 - 60cm |
|
M |
35 - 50cm |
40 - 71cm |
|
L |
40 - 60cm |
55 - 83cm |
|
XL |
55 - 84cm |
71 - 99cm |
Big & Little Dogs
Collar & Bow Tie Sizing
|
Size
|
Neck (cm)
|
Strap Size (mm) |
| Extra Small | 22cm - 30cm | 15mm width |
|
Small
|
29cm – 39cm | 15mm width |
|
Medium
|
33cm – 51cm | 20mm width |
|
Large
|
41cm – 66cm | 25mm width |
Big & Little Dogs
Leash Sizing
|
Size
|
Width (mm) | Length (cm) | Weight (g) |
| 1.5cm | 15mm | 152cm | 80g |
| 2.5cm | 25mm | 152cm | 145g |
Big & Little Dogs
Bandana Sizing
|
Size
|
Neck (cm)
|
| Small/Medium | up to 45cm |
|
Medium/Large
|
up to 65cm |
