F Cup Size Guide
F cup represents a 7-inch bust-band difference. It's a full bust size requiring specialty bras with maximum support features and quality construction.
Quick Facts: F Cup
Bust-Band Difference
7 inches (17.5 cm)
Approx. Volume (34 band)
~1000-1200 ml
UK Equivalent
F
EU Equivalent
G
Common F Cup Sizes
F Cup Works Best For
- ✓Full-busted individuals
- ✓Maximum support seekers
- ✓Quality-focused shoppers
- ✓All-day comfort priority
Common Challenges
- !Very limited mainstream availability
- !Requires specialty retailers
- !Higher investment needed
- !Fit is critical
Best Bra Styles for F Cup
Sister Sizes for F Cup
Sister sizes have the same cup volume with different band sizes. If your band feels too tight or loose, try a sister size.
Tighter Band
32G
Your Size
34F
Looser Band
34E
Frequently Asked Questions: F Cup
What brands make F cup bras?
Specialty brands like Panache, Elomi, Freya, Goddess, Fantasie, and Curvy Kate specialize in F cup and larger sizes with excellent support and style options.
How much should an F cup bra cost?
Quality F cup bras typically range from $50-100+ due to the specialized construction and materials required. Investing in well-made bras is important for this size.
Can F cups wear strapless bras?
Yes, but finding a well-fitting strapless F cup bra requires specialty shopping. Look for longline styles with silicone grip strips and very firm bands.
Find Your Perfect F Cup Bra
Use our calculator to confirm your size and get personalized recommendations.