Bra Size Calculator

Final Bra Size

Bra size calculator | How to Measure Your Bra Size at Home:

  • Step 1. Take Measurements

    • You’ll need a soft measuring tape and a mirror for accuracy.

    • 1. Band Size (Underbust)
      • Wrap the tape snugly around your ribcage, directly under your breasts.
      • Make sure the tape is parallel to the ground and tight but comfortable.
      • Round to the nearest whole number.
    • 2. Bust Size (Overbust)
      • Wrap the tape around the fullest part of your bust (usually at the nipple level).
      • Keep it relaxed, not tight.
      • Round to the nearest whole number.
  • Step 2. Calculate Band Size & Cup Size
    • Please select the unit of measurement you used( In / Cm) .
    • Enter both values Band Size and Bust Size on the calculator UP .

what is +4 Method ? is the traditional +4 method for calculating the band size, which was widely used in the US and UK for many years. This method adds 4 or 5 inches to the underbust measurement to determine your band size, based on whether the measurement is even or odd.

Underbust Measurement (inches) Band Size
26-32 Even number Underbust + 4
Odd number Underbust + 5
33-38 Even number Underbust + 2
Odd number Underbust + 3
+39 Even number Underbust + 0
Odd numberUnderbust + 1
Bra Size Calculator USA

Band Size Conversion

Bra sizing varies by region. Here's how to convert your US size:

Band Size US / UK Size EU (DE/ES/IT) FR / BE (France/Belgium) AUS / NZ
XXS 28 60 75 6
XS 30 65 80 8
S 32 70 85 10
M 34 75 90 12
L 36 80 95 14
XL 38 85 100 16
XXL 40 90 105 18
3XL 42 95 110 20
4XL 44 100 115 22

Cup Size Conversion

Cup sizes are NOT standard worldwide. Different regions use different systems, especially past DD.

US / UK Size EU (DE/ES/IT) FR / BE (France/Belgium) AUS / NZ
AA AA AA AA
A A A A
B B B B
C C C C
D D D D
DD/E E E DD
DDD/F F F E
G G G F
H H H FF
I I I G
J J J GG