Panache Bra Size Calculator

The ultimate tool for discovering your precise Panache UK bra size for a perfect, supportive, and comfortable fit.

Your Panache UK Bra Size Is:

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Calculated Band Size

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Calculated Cup Letter

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Bust-Band Difference

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Measurement System

UK Sizing

Formula: Band size is determined by your underbust measurement. Cup size is the difference between your overbust and calculated band size. Panache uses UK cup sizing.

Your Sister Size Chart
Go Down a Band (Tighter Fit)	Your Recommended Size	Go Up a Band (Looser Fit)
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Sister sizes have the same cup volume. If your recommended band feels too tight or loose, try a sister size.

What is a Panache Bra Size Calculator?

A panache bra size calculator is a specialized tool designed specifically to determine your correct bra size according to the Panache Lingerie brand’s UK sizing system. Unlike generic calculators, it accounts for the unique fit and measurement principles that Panache, a renowned fuller-bust specialist, uses to craft its bras. Panache is known for its firm bands and projected cups, making an accurate, brand-specific calculation essential for achieving the support and comfort the brand is famous for.

This calculator should be used by anyone considering purchasing a Panache, Panache Sport, or Cleo by Panache bra. Whether you are new to the brand or your body has changed, using a dedicated panache bra size calculator is the first and most critical step. A common misconception is that your bra size is the same across all brands. However, sizing varies significantly, and what works for one brand may result in a poor fit with another. This tool helps eliminate that guesswork.

Panache Bra Size Calculator Formula and Mathematical Explanation

The logic behind the panache bra size calculator is a two-step process focusing on the underbust (for the band) and the difference between the overbust and underbust (for the cup). The system is based on UK sizing, which is standard for the brand worldwide.

Step 1: Calculate Your Band Size
First, measure your underbust firmly, ensuring the tape is level. For Panache, the band provides most of the support, so a snug fit is key. The calculator takes this raw measurement. If the measurement is an odd number (e.g., 31 inches), the starting band size is often the next even number up (32). If it’s an even number (e.g., 30 inches), that is your starting band size. However, Panache bands are famously firm, so some women prefer to size up in the band from their direct measurement. Our calculator provides the closest even number as the band size.

Step 2: Calculate Your Cup Size
Next, measure loosely around the fullest part of your bust. The calculator then finds the difference between your overbust measurement and your *calculated band size* (not your raw underbust measurement). This difference in inches corresponds to a UK cup letter.

• 1 inch difference = A cup
• 2 inch difference = B cup
• 3 inch difference = C cup
• 4 inch difference = D cup
• 5 inch difference = DD cup
• 6 inch difference = E cup
• 7 inch difference = F cup
• 8 inch difference = FF cup
• 9 inch difference = G cup
• And so on…

Variable	Meaning	Unit	Typical Range
Underbust Measurement	The measurement around the ribcage just below the bust.	inches or cm	27 – 45 in
Overbust Measurement	The measurement around the fullest part of the bust.	inches or cm	30 – 55 in
Calculated Band Size	The resulting even-numbered band size.	(UK Sizing)	28 – 46
Cup Difference	Overbust Measurement – Calculated Band Size	inches	2 – 15 in

Variables used in the panache bra size calculator.

Practical Examples (Real-World Use Cases)

Example 1: Finding a Starting Size

Sarah wants to try a Panache sports bra but is unsure of her size. She uses the panache bra size calculator for guidance.

• Input – Underbust: 33.5 inches
• Input – Overbust: 41 inches
• Calculation:
  • The calculator rounds her underbust up to the nearest even number, determining a Calculated Band Size of 34.
  • The cup difference is calculated: 41″ (Overbust) – 34″ (Band Size) = 7 inches.
  • A 7-inch difference corresponds to an F cup in the UK system.
• Output – Recommended Size: 34F

Sarah now has an excellent starting point for her fitting. She should try a 34F, but also consider its sister size 32FF if the band feels too loose. For more information, she might consult a bra fitting guide.

Example 2: Checking a Current Size

Maria currently wears a 38D from another brand but finds the band rides up her back. She uses the panache bra size calculator to see what size she should be in Panache.

• Input – Underbust: 37 inches
• Input – Overbust: 44 inches
• Calculation:
  • The calculator determines her Calculated Band Size is 38.
  • The cup difference is: 44″ (Overbust) – 38″ (Band Size) = 6 inches.
  • A 6-inch difference corresponds to an E cup.
• Output – Recommended Size: 38E

The calculator suggests Maria try a 38E. Her previous 38D was too small in the cup, causing her to compensate with a band that was functionally too big. A 38E will provide the correct cup volume while maintaining a snug band fit. Understanding the sister size calculator can also help her fine-tune the fit.

How to Use This Panache Bra Size Calculator

Using our panache bra size calculator is a simple and effective process. Follow these steps to get your most accurate starting size.

1. Select Your Unit: First, choose whether you are measuring in inches or centimeters from the dropdown menu. Inches are standard for UK sizing.
2. Enter Underbust Measurement: Wear a non-padded bra or no bra. Take a snug measurement around your rib cage, directly beneath your bust. Ensure the measuring tape is parallel to the floor. Enter this number into the “Underbust Measurement” field.
3. Enter Overbust Measurement: Measure around the fullest part of your bust. The tape should be level and not too tight—it should just skim the body without compressing breast tissue. Enter this into the “Overbust Measurement” field.
4. Read Your Results: The calculator will instantly display your recommended Panache UK bra size in the results section. It also shows key intermediate values like your calculated band, cup letter, and the difference in inches used to find your cup size.
5. Consult the Sister Size Chart: The table below the results shows your sister sizes. If your calculated band feels too tight, try the size with a larger band and smaller cup. If it feels too loose, try the size with a smaller band and larger cup. For tricky fits, consider reading reviews on styles like the Panache sports bra review.

Key Factors That Affect Panache Bra Size Calculator Results

While a panache bra size calculator provides a crucial starting point, several other factors influence the perfect fit. Your breast shape, tissue density, and the bra’s style are just as important as the numbers.

1. Breast Shape (Fullness): Breasts can be full on top, full on bottom, or evenly full. Women with bottom-heavy breasts may need styles with more immediate projection at the wire, while those with top-fullness may prefer balconette styles to avoid the cup cutting in.
2. Breast Projection vs. Root Width: Some breasts are projected (sticking out more from the chest) with a narrow root (where the breast attaches to the torso), while others are shallower with a wider root. Panache bras often suit projected shapes with narrower wires. If a cup seems to fit but the wires dig in at the side, you may have wider roots than the style allows.
3. Breast Spacing: Women with close-set breasts may find that the center gore (the piece between the cups) on some styles is too wide and sits on breast tissue. They should look for bras with a low, narrow gore. Conversely, wide-set breasts need styles with wider gores.
4. Tissue Density: Soft, malleable breast tissue might fit into a wider range of cup shapes, whereas firm, dense tissue requires a cup that matches its shape precisely to avoid gaps or spillage.
5. Bra Style: A plunge, balconette, full cup, and sports bra from the same brand in the same size will all fit differently. A Panache Tango (balconette) fits differently from a Panache Ana (plunge). It’s essential to read about specific styles, as some are known to be better for certain shapes. Exploring the best bras for large busts can offer style guidance.
6. Band Firmness: Panache bands are known for being firm and true-to-size. If you are between band sizes (e.g., your underbust is 33 inches), you might be more comfortable in a 34 band than a 32, even though some calculators would suggest the smaller size.

Frequently Asked Questions (FAQ)

1. How often should I use a panache bra size calculator?

You should re-measure and use the panache bra size calculator every 6-12 months, or anytime you experience significant weight change, pregnancy, or hormonal shifts, as these can all affect your bra size.

2. Why does this calculator give me a different size than another brand’s?

Bra sizing is not standardized. A panache bra size calculator is calibrated for Panache’s specific UK sizing and firm band design. Other brands may use different rounding rules or sizing systems (like US or EU), leading to different results.

3. My calculated size feels wrong. What should I do?

First, check your measurements. If they are correct, the issue is likely related to shape or style. Use your calculated size as a starting point and refer to the sister size chart. For example, if a 32F feels too tight in the band, try a 34E. If the cup is wrinkling, it may be too big or the wrong shape for you.

4. What is a “sister size”?

Sister sizes are alternative sizes where the cup volume is the same. To find a sister size, you go up one band size and down one cup size, or vice versa. For example, a 34F has the same cup volume as a 32FF and a 36E. This is a key concept covered in any good sister size calculator.

5. Do Panache sports bras fit differently?

Yes, sports bras are designed for high impact and often have a very firm, compressive fit. While you should start with your regular Panache size, some women prefer to go up one band size for more comfort during exercise, especially if they are between sizes.

6. The calculator gave me a size like 34FF. Is that correct?

Yes. Panache specializes in fuller bust sizes and uses the UK progression, which includes double letters like DD, E, F, FF, G, GG, H, HH, etc. These are standard sizes and widely available from the brand.

7. Should the measuring tape be tight or loose?

For the underbust measurement, the tape should be quite snug and level, as this is where the bra’s support comes from. For the overbust measurement, the tape should be looser, just skimming the body without compressing the breast tissue.

8. Can I use this panache bra size calculator for the Cleo by Panache brand?

Yes, Cleo by Panache is part of the same company and uses the same UK sizing system. This calculator is a great starting point for Cleo styles, but remember that individual Cleo styles can also have unique fit characteristics. For more help, don’t hesitate to reach out to our team via the contact support page.