We don’t run this through a review platform — these are messages readers have sent us directly, shared here with permission (first name and last initial only).

“I went from a 34C to my real size, 32E, after three minutes with the main calculator. My shoulders stopped hurting by the end of the day.”
— Priya M.

“The AI Smart Fit got me shockingly close without a tape measure — I didn’t own one and didn’t want to buy one just to check a size.”
— Hannah T.

“The sister size calculator explained why two totally different-looking numbers (34D and 36C) both fit my old bras. Finally made sense.”
— Renee K.

“I liked that it didn’t ask for my email before showing me anything. Every other calculator I tried wanted a signup first.”
— Jasmine O.

“The postpartum calculator’s note about waiting for milk supply to regulate before buying nursing bras saved me from buying the wrong size twice.”
— Megan D.

“My daughter used the teen calculator and it didn’t feel clinical or awkward — just clear and kind about it.”
— Carla S.

“The ‘show the math’ button on the results is the reason I trusted the number enough to actually go buy the size it gave me.”
— Yuki A.

Have Feedback?

Email hello@bra-sizecalculator.com — with your permission, we may feature it here.