HOW TO MEASURE BRA SIZE

  • PART 1: BRA SIZE CALCULATOR
  • PART 2: SIZE GUIDE

PART 1: BRA SIZE CALCULATOR

STEP 1. Measure your Band

With your bra on and tape measure ready, wrap the tape snugly just below your bra band, keeping it level. Round up to the nearest half inch.

inches

STEP 2. Measure your Bust

With your bra on and tape measure ready, wrap the tape around the fullest part of your bust without pulling it tight. Lean forward about 45 degrees while measuring. Round up to the nearest half inch.

inches

Recommended PKI-U Size

Measured while wearing a bra, not on the bare body.

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Or choose the sister size:
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PART 2: SIZE GUIDE

SIZE GUIDE — BODY MEASUREMENTS

Garment stretches comfortably to fit body measurements up to the values listed below.

Panties S M L XL XXL XXXL
Size (Waist) inches up to 39 up to 41 up to 43 up to 45 up to 47.5 up to 50
Size (Waist) cm up to 99 up to 104 up to 109 up to 114 up to 120 up to 127
Camisole Top M L XL XXL
Bust Size inches up to 32 up to 34 up to 36 up to 38
Bust Size cm up to 81.3 up to 86.4 up to 91.4 up to 96.5
Length (Side) inches 10 3/8 11 11 5/8 12 1/4
Length (Side) cm 26.4 28 29.5 31.1
Camisole Dress M L XL XXL
Bust Size inches up to 32 up to 34 up to 36 up to 38
Bust Size cm up to 81.3 up to 86.4 up to 91.4 up to 96.5
Length (Side) inches 24 1/4 25 25 3/4 26 1/2
Length (Side) cm 61.6 63.5 65.4 67.3

*The Length (Side) is a fixed measurement, while the Bust Size (for tops/dress) and the Size (for panties) indicate the maximum stretch limit the garment can comfortably accommodate.

'up to' refers to the maximum body measurement the garment can comfortably stretch to.

Bust and Underbust Measurement Reference Chart (Unit: Inches, Tolerance: ±1 Inch)

PKI-U Fit Calculator: The data below indicates the "outer contour circumference after wearing, with cups lifted and smoothed" and is not the bare body measurement.

Measurement 34B 34C 34D 34DD (E) 34DDD (F) 34G
Bust 32-34 37-39 42-44 47-49 52-54 57-59
Underbust (Band) 27-29 27-29 27-29 27-29 27-29 27-29
Sister Size (Up) 36A 36B 36C 36 36DD (E) 36DDD (F)
Measurement 36B 36C 36D 36DD (E) 36DDD (F) 36G
Bust 37-39 42-44 47-49 52-54 57-59 62-64
Underbust (Band) 32-34 32-34 32-34 32-34 32-34 32-34
Sister Size (Up) 38A 38B 38C 38D 38DD (E) 38DDD (F)
Sister Size (Down) 34C 34D 34DD (E) 34DDD (F) 34G 34GG (H)
Measurement 38B 38C 38D 38DD (E) 38DDD (F) 38G
Bust 42-44 47-49 52-54 57-59 62-64 67-69
Underbust (Band) 37-39 37-39 37-39 37-39 37-39 37-39
Sister Size (Up) 40A 40B 40C 40D 40DD (E) 40DDD (F)
Sister Size (Down) 36C 36D 36DD (E) 36DDD (F) 36G 36GG (H)
Measurement 40C 40D 40DD (E) 40DDD (F) 40G
Bust 52-54 57-59 62-64 67-69 72-74
Underbust (Band) 42-44 42-44 42-44 42-44 42-44
Sister Size (Up) 42B 42C 42D 42DD (E) 42DDD (F)
Sister Size (Down) 38D 38DD (E) 38DDD (F) 38G 38GG (H)
Measurement 42C 42D 42DD (E) 42DDD (F) 42G
Bust 57-59 62-64 67-69 72-74 77-79
Underbust (Band) 47-49 47-49 47-49 47-49 47-49
Sister Size (Up) 44B 44C 44D 44DD (E) 44DDD (F)
Sister Size (Down) 40D 40DD (E) 40DDD (F) 40G 40GG (H)
Measurement 44C 44D 44DD (E) 44DDD (F) 44G
Bust 62-64 67-69 72-74 77-79 82-84
Underbust (Band) 52-54 52-54 52-54 52-54 52-54
Sister Size (Down) 42D 42DD (E) 42DDD (F) 42G 42GG (H)

*The greyed-out sizes in the tables above are currently unavailable from the PKI-U brand. Please mark them as "unavailable".