34C bra size
34C means band 34 with cup C; the cup marks a 3 in (7.6 cm) difference between bust and band.
US 34C · UK 34C
- Difference3 in7.6 cm
- Underbust, underbust method33 to 35 in83.82 to 88.9 cm
- Bust for this cup36.5 to 37.5 in92.71 to 95.25 cm
Each range includes its first figure and stops just short of its last.
Which measurements give a 34C
The label is a band and a cup, not a body measurement. Each of the three published rules turns the same label into different measurements.
| Method | Underbust (in) | Underbust (cm) | Bust (in) |
|---|---|---|---|
| Underbust method | 33 to 35 in | 83.82 to 88.9 cm | 36.5 to 37.5 in |
| Add-4 method | 28.5 to 30.5 in | 72.39 to 77.47 cm | 36.5 to 37.5 in |
| EU method, band 75 | 28.54 to 30.51 in | 72.5 to 77.5 cm | Cup read in cm |
Each range includes its first figure and stops just short of its last.
34C in six sizing systems
| System | Band | Cup | Size |
|---|---|---|---|
| US | 34 | C | 34C |
| UK | 34 | C | 34C |
| EU | 75 | C | 75C |
| FR/BE | 90 | C | 90C |
| AU/NZ | 12 | C | 12C |
| JP | 75 | D | 75D |
Bands and letters are label equivalents, not body measurements. JP letters vary by brand.
Sister sizes of 34C
A sister size moves the band one step and the cup one letter the other way.
The cup in 34C marks a difference of 3 in (7.6 cm) between bust and band. For the underbust method, an underbust from 33 in up to but not including 35 in (83.8 cm up to but not including 88.9 cm) gives band 34. A bust from 36.5 in up to but not including 37.5 in (92.7 cm up to but not including 95.3 cm) gives cup C.
Published charts disagree on the underbust range for band 34. The underbust method uses 33 in up to but not including 35 in; the add-4 method uses 28.5 in up to but not including 30.5 in (72.4 cm up to but not including 77.5 cm). These ranges do not overlap. The add-4 method adds 4 or 5 inches. The EU method uses centimetres with a band every 5 cm; band 75 comes from 72.5 cm up to but not including 77.5 cm. Cup letters differ in JP, where they vary by brand.
Sister sizes include 32D and 36B. People measure again and try on.
Questions
What does 34C mean?
34C is a band of 34 with a cup that stands for a difference of 3 in (7.6 cm) between bust and band in US sizing.
What measurements give a 34C?
By the underbust method, an underbust of 33 to 35 in (83.82 to 88.9 cm) gives band 34, and a bust of 36.5 to 37.5 in gives this cup. By the add-4 method, band 34 comes from an underbust of 28.5 to 30.5 in. Each range includes its first figure and stops just short of its last.
What are the sister sizes of 34C?
The sister sizes of 34C are 30DD, 32D, 36B and 38A. Each step up in band takes the cup one letter down, and each step down takes it one letter up.