Found the perfect dress at Oh Polly, but not sure which size you should order? Oh Polly are known for their form-fitting and contoured dresses, and even though many of their designs are quite stretchy, it can still be a little daunting choosing the right size. Since Oh Polly’s return policy isn’t the best, you’ll want to make sure you’ve picked the right size.
Don’t worry, this guide will help! We’ve examined Oh Polly’s size chart, converted it to every international size you could want, and examined what Oh Polly shoppers have to say about sizing up or down so that you can find the perfect fit with confidence.
Oh Polly size chart
Oh Polly products are sized in UK/AU sizes, so the best place to start to find the best fitting size at Oh Polly is with their size chart and your measurements.
| UK/AU Size | Bust | Waist | Hips |
| 4 | 80cm / 31.5″ | 60cm / 23.6″ | 88cm / 34.6″ |
| 6 | 84cm / 33″ | 64cm / 25.2″ | 92cm / 36.2″ |
| 8 | 88cm / 34.6″ | 68cm / 26.8″ | 96cm / 37.8″ |
| 10 | 92cm / 36.2″ | 72cm / 28.3″ | 100cm / 39.4″ |
| 12 | 96cm / 37.8″ | 76cm / 30″ | 104cm / 41″ |
| 14 | 100cm / 39.4″ | 80cm / 31.5″ | 108cm / 42.5″ |
| 16 | 104cm / 41″ | 84cm / 33″ | 112cm / 44″ |
| 18 | 116cm / 46″ | 101cm / 40″ | 121cm/ 48″ |
Should you size up or size down at Oh Polly
Oh Polly dresses are usually run a little small, and since most of their designs have a very contoured form-fitting look, you’ll probably want to size up, especially if you don’t have a small chest, or you’re going for a more comfortable fit.
Everyone always says size up but if you are like me and have a smaller chest it’s very true to size! Even with bigger hips I can get the right size for my waist
— Ashleigh Still (@Ashleigh_Still) February 15, 2020
You don’t need to look further than comments from shoppers on social media and review sites to discover that Oh Polly designs run small.
Always size up unless you fit the exact measurements of your size, for example, if you are a mixed size then deffo size up
— sally jones (@sallyjo45423006) February 15, 2020
Picking the perfect size at Oh Polly
If you’re struggling to pick the perfect size at Oh Polly, we’d recommend searching TikTok for keywords like Oh Polly Size. You’ll find plenty of try on videos and reviews of Oh Polly clothes that will help give you a better idea about which size to buy.
Converting international sizes to UK/AU sizes
While we recommend starting with your measurements and using our Oh Polly size chart to find the correct size, you can also convert US or EU sizes to UK/AU sizing. Check the tables below to convert international sizes to UK/AU sizes for Oh Polly.
| UK/AU Size | US/CA Size | EU Size |
| 4 | 0 | 32 |
| 6 | 2 | 34 |
| 8 | 4 | 36 |
| 10 | 6 | 38 |
| 12 | 8 | 40 |
| 14 | 10 | 42 |
| 16 | 12 | 44 |
Bo+Tee gym wear & Oh Polly swimwear size chart
You’ll need a separate size chart for Oh Polly swimwear, and their gym wear brand Bo+Tee. Use the chart below to convert your UK/AU, EU, OR US/CA size when shopping for swim and gym wear.
| Size | UK/AU Size | EU Size | US/CA Size |
| XS | 4 – 6 | 32 – 34 | 0 – 2 |
| S | 8 | 36 | 4 |
| M | 10 – 12 | 38 – 40 | 6 – 8 |
| L | 14 | 42 | 10 |
| XL | 16 – 18 | 44 – 46 | 12 – 14 |
Oh Polly lingerie size chart
You may also need a separate size chart for converting some lingerie sizes from EU to UK/US sizes used by Oh Polly for some items.
| UK/US | EU |
| 32B | 70B |
| 32C | 70C |
| 34A | 75A |
| 34B | 75B |
| 34C | 75C |
| 36B | 80B |
| 36C | 80C |
| 38B | 85B |
Read our Oh Polly guides for more shopping tips
- Get 15% off with Oh Polly’s student discount.
- Get the best saving with an Oh Polly discount code.
- Learn about paying at Oh Polly with Afterpay, Klarna, Clearpay and Zip.
- Read about Oh Polly’s plus size options and find out how inclusive the brand is.
- Read our guide to Oh Polly shipping times and costs.
- Discover 8 stores similar to Oh Polly.
- Make sure you know about Oh Polly returns, refunds and exchanges before you buy.