Bikini Size Calculator
Estimate your bikini top and bottom sizes based on bust, underbust, and hip measurements.
Input Parameters
Enter details for calculation.
Bikini Top / Bottom
Expert Tip
For adjustable tie bikini bottoms, there is more sizing flexibility. Always size up if you are between measurements.
Calculation Methodology & Details
Formula
Maps underbust difference to standard cup sizes and hip metrics to XS-XL categories.
Important Disclaimer
The calculations provided are for educational and general informational purposes only. They do not replace professional advice or diagnostic validation. Always consult a qualified specialist.
How Bikini Sizes are Estimated
Follow these steps to complete the calculation:
Measure Busts
Measure around full part of bust and directly underneath.
Measure Hips
Measure around full part of buttocks.
Related Tools
Detailed Insights & Expert Guide
ℹ️ About this Calculation
This calculator assists in performing size conversions and material estimations for Bikini. Easily find your correct fit or calculate exact yardage for your next sewing project.
Variable Glossary
Measurement / Dimension
The primary body measurement or fabric dimension in inches or centimeters.
Ease / Allowance
Optional ease added for fitting comfort or seam allowances.
How to Calculate Step-by-Step
Step 1
Take accurate body or project measurements using a flexible tape measure.
Step 2
Enter the values into the designated input fields.
Step 3
Check your calculated standard size, pattern requirements, or layout length.