How does Cake Maternity bra sizing run?
Cake Maternity is labelled in AU sizing. Maternity & nursing experts. Below is how a Cake Maternity size translates across all eight regional standards, plus sister sizes and where to buy.
Cake Maternity size range & system
Cake Maternity sizes in AU.
Cake Maternity size conversion chart
Each row is one Cake Maternity cup size read across the eight standards. The AU column (highlighted) is how Cake Maternity labels its bras.
| US | UK | EU | FR | IT | AU | JP | IN |
|---|---|---|---|---|---|---|---|
| A | A | A | A | A | A | A | A |
| B | B | B | B | B | B | B | B |
| C | C | C | C | C | C | C | C |
| D | D | D | D | D | D | D | D |
| DD | DD | E | E | E | DD | E | DD |
| DDD | E | F | F | F | E | F | E |
Band conversions are exact; cup fit still varies by brand, style, and body — a conversion is a starting point, not a guarantee.
Common Cake Maternity sizes
Open the full eight-standard conversion for a specific size:
Sister sizes in Cake Maternity
If a Cake Maternity bra fits in the cup but the band is off, your sister size keeps the same cup volume with a different band — go down a band and up a cup, or up a band and down a cup. Example: a 34D and a 32DD hold the same cup volume.
Want your exact starting size in Cake Maternity? Two measurements, two minutes — free, nothing stored.
Find your size in Cake Maternity →Where to buy Cake Maternity
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Cake Maternity sizing FAQ
- Does Cake Maternity run true to size?
- AU sizing. Nursing specialist. Maternity & nursing experts.
- What sizing system does Cake Maternity use?
- Cake Maternity is labelled in AU sizing. Use the conversion table above to read your size across US, UK, EU, FR, IT, AU, JP and IN.
- What is a 34D in Cake Maternity in EU sizing?
- A US 34D converts to EU 75D. Band conversions are exact; cup fit still varies by brand, style, and body — a conversion is a starting point, not a guarantee.