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The ultimate guide to dress size conversion

Find out what size you are when ordering from other countries online.

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Wondering if you’re actually a size 12 or a 14? Sizes seem to differ from store to store in New Zealand alone, so online shopping opens up a whole new world of confusion with international sizing.

To try and make sense of it, we’ve researched a few different sources and constructed a few handy conversion charts for all your international online shopping needs.

A few easy rules to remember:

  • NZ dress sizing is the same as AU and UK
  • Minus 2 sizes to get your US size
  • S/M/L can vary hugely – always check the retailer’s own sizing chart
  • French sizes are also used in Belgium and Portugal
  • German sizes are also used in Austria, Netherlands, Switzerland, Sweden, Denmark and Norway

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Women’s dress sizes in measurements

New Zealand SizeBustWaistHips
InchesCMInchesCMInchesCM
4327824.5603484
63380.525.562.53586.5
8348326.5653689
10368828.5703894
12389330.5754099
14409832.58042104
164210334.58544109
1845110.537.592.547116.5
205012742.910954.7139
2252.813445.711657.5146
2455.514148.412360.2153

Women’s dress size chart – international

New Zealand4681012141618202224
Australia4681012141618202224
UK4681012141618202224
France & Spain3234363840424446485052
Germany3436384042444648505254
Italy3638404244464850525456
USA02468101214161820
Japan5791113151719212327

Men’s shirt sizes in measurements

SizeChestNeck
InchesCMInchesCM
XXXS30-3276-811436
XXS32-3481-8614.537.5
XS34-3686-911538.5
S36-3891-9615.539.5
M38-4096-1011641.5
L40-42101-1061743.5
XL42-44106-11117.545.5
XXL44-46111-11618.547.5
XXXL46-48116-12119.549.5

Men’s jacket/suit size chart – international

USAUKItalyFranceNew ZealandJapanChest (Inches)Chest (CM)
3434444434S3486
36364646363692
3838484838M3897
4040505040L40102
424252524242107
4444545444LL44112

Men’s trouser size chart – international

USAUKItalyFranceNew ZealandJapanWaist (Inches)Waist (CM)
2828442828XS2871
29294529292974
3030463030S3076
31314731313179
3232483232M3281
33334933333384
3434503434L3486
35355135353589
3636523636XL3692
37375337373794
38385438382XL3897
39395539393999
40405640403XL40102

What clothes size should I be for my height?

There is no specific size you should be for your height. Your overall health cannot be determined by dress size alone, so it’s best to see a doctor if you want advice on what a healthy size would be for you. The average height and weight for a woman in New Zealand is 72kg and about 165cm tall.


What dress size is a “medium”?

This varies from brand to brand and by country. Some stores will consider a medium to be a size 10, while others a size 12–14. As an average, a medium is likely to be around a size 12. Generally a small will be a NZ 8–10 and a large a NZ 14–16. An extra small is likely to be a size 6, with an extra large likely to be a size 18. This is all dependent on retailers, dress cut and shape – so we’d always recommend trying a dress on, checking the store’s own sizing chart or using a retailer with free returns.


What dress size is plus size?

It absolutely depends on the retailers, but a lot of plus size–specific retailers will stock from size 14 or 16 upwards.

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