Plain-English guides to measuring, fitting and understanding UK bra sizes. Each one covers a single question properly, and links to the next thing you are likely to need.
The two guides everything else builds on: how to take the measurements, and how to judge the bra once it is on.
Taking the two numbers everything else depends on.
Tape position, tension and breathing: getting the one number your band size depends on.
Measuring How to Measure Your BustStanding, leaning and lying measurements, when each matters, and how to combine them.
Measuring Bra Measurements ExplainedA plain-English glossary of every measurement and fitting term you will meet.
Measuring Measure Your Bra Size Without a Tape MeasureString, ribbon, a phone charger cable and a ruler: accurate measurements with what is in the house.
Measuring Find Your Bra Size Without MeasuringWork out your size from how your current bra fits, one adjustment at a time.
Firm, level and on the loosest hook. Simple tests that tell snug from too tight.
Band What Band Size Am I?A quick band finder: underbust ranges for every UK band and what to do when you fall between two.
Band Bra Band Sizes ExplainedWhat the band does, how it relates to the cup, and a guide to every UK band size.
Why different shops and calculators give you different sizes, and which method to trust.
Where adding four inches came from, what the University of Portsmouth study found, and what to do instead.
Method The ABraThatFits Method, Explained for UK SizesThe six-measurement method in plain English, translated into UK cup lettering.
Method How Accurate Are Bra Size Calculators?What a calculator can and cannot know about you, and how to turn a starting size into a bra that fits.
Why 32D, 34C and 36B hold the same volume, and the one-step rule for using a sister size well.
Sister Sizes When to Sister Size Up or DownA decision guide: which direction to move, and when a sister size is the wrong tool.
Sister Sizes Do Sister Sizes Really Fit the Same?Same volume, different bra. What changes between sister sizes and how far you can go.
Sister Sizes Sister Sizes for a Larger BustSister sizing from FF cups upward, where the letters get confusing and stock gets thin.
Projection, fullness, root and spacing: the four things that decide which bras fit you.
Breast Shape What Is My Breast Shape?Four quick self-checks you can do in front of a mirror.
Breast Shape Shallow vs Projected BreastsThe shape difference behind most "right size, wrong fit" problems.
Breast Shape Full on Top vs Full on BottomHow to tell which you are, and which cup cuts suit each.
Breast Shape What Is a Breast Root?Root width and height, and why they decide which underwires fit.
Breast Shape East-West Breast ShapeBreasts that point outward: what helps bring them forward.
Breast Shape Bras for Conical BreastsWhy moulded cups gape on a conical shape and what to wear instead.
Breast Shape Best Bras for Shallow BreastsThe cup constructions and styles that sit flat on a shallow shape.
Breast Shape Best Bras for Projected BreastsSeamed, deep cups and narrow wires: what to look for and which UK brands make them.
Breast Shape Best Bras for Wide-Set BreastsGore width, wire position and the styles that suit a wider gap.
Breast Shape Best Bras for Close-Set BreastsLow, narrow centres and plunge cuts for breasts that touch or nearly touch.
Balconette, plunge, full cup, T-shirt, bralette: what each is and who it suits.
Bra Styles Which Bra Style Suits My Shape?A shape-to-style matcher that points you to the cuts most likely to fit.
Bra Styles Strapless Bra Size GuideWhy strapless sizing is different, which size to try, and what keeps one up.
Bra Styles Plunge vs Push-Up BraOne describes the neckline, the other the padding. How to choose.
Bra Styles Balconette vs Demi BraTwo lower-cut styles compared for coverage, lift and shape.
Bra Styles Minimiser Bras ExplainedHow a minimiser redistributes tissue, what it can realistically do, and how to size one.
Bra Styles T-Shirt Bra Size GuideWhy moulded cups fit differently and how to pick a size that lies smooth.
Bra Styles Bralette Size GuideConverting between band-and-cup and S, M, L, and where to find cup-sized bralettes.
Bra Styles Best Bras for Backless DressesLow-back converters, adhesive cups and built-in support, by cup size.
Bra Styles Best Bras for a Wedding DressWhat to wear under each neckline, and when to buy it in relation to your fittings.
Bra Styles Best Bras for Small BustsAA to B cups: avoiding gaping, and the styles that suit a smaller bust.
The fit checks that matter for exercise, from the underband to the bounce test.
Sports Bras Do Sports Bras Run Small?Why they feel tighter, when to size up, and when that is a mistake.
Sports Bras Encapsulation vs Compression Sports BrasTwo ways of controlling movement, and which suits your cup size and sport.
Sports Bras How to Stop Bounce in a Sports BraFit fixes first, then the features that actually reduce movement.
Sports Bras Can You Wear a Sports Bra Every Day?Yes, if it fits. What to watch for in comfort, skin and support.
Sports Bras Best Sports Bras for Large BustsWhat to look for from a DD cup upward, and the UK brands that size by cup.
Sports Bras Best High-Impact Sports BrasHow to judge a high-impact bra for running and HIIT, by cup size.
A timeline from mid-pregnancy to established feeding, with what to buy at each point.
Maternity & Nursing Maternity Bra Size by TrimesterWhat typically changes in each trimester and when to re-measure.
Maternity & Nursing How Many Nursing Bras Do You Need?A practical number for the early weeks and for later on.
Maternity & Nursing Bra Size After BreastfeedingWhat changes when you stop feeding, and when to measure again.
Maternity & Nursing Best Nursing Bras: What to Look ForClips, slings, wires and stretch: choosing a nursing bra by stage and cup size.
Maternity & Nursing Sleep Bras for Pregnancy and NursingWhether you need one, what makes a good one and how to size it.
A calm guide for teens and parents: when to start, how to measure and what to buy first.
First Bra Teen Bra Size ChartA UK size chart for smaller bands and cups, with crop-top and first-bra sizing.
First Bra Training Bras vs First BrasWhat each term means and which to choose at each stage.
First Bra Best First Bras for TeensA parent's buying guide: styles, fabrics and how many to get.
How fittings at M&S, John Lewis, Bravissimo, Rigby & Peller and independents differ, and who each suits.
Fitting Services How Often Should You Get Fitted for a Bra?A sensible schedule, and the life events that mean you should check sooner.
Fitting Services What Happens at a Bra Fitting?A step-by-step walk-through, so there are no surprises.
Fitting Services Bra Fitting for Large BustsWhat changes above a G cup, what high-street fittings miss, and where to go.
Sizes such as 28G and 30FF: why they are hard to find and who makes them.
Buying How Many Bras Should You Own?A realistic minimum, and why rotating bras makes them last.
Buying How Much Should a Good Bra Cost?What you get at each price level in the UK and how to judge value.
Buying Where to Buy Bras in Unusual SizesSmall bands, large cups, large bands and small cups: where each is actually stocked.
The signs a bra has stopped supporting you, and how to make the next one last longer.
Bra Care How to Wash and Dry BrasHand washing, machine washing safely, and drying without damaging the elastic.
Bra Care How to Store BrasKeeping moulded cups in shape and wires straight, at home and when travelling.
Where the famous statistic comes from and what the research really shows.
Facts & Myths What Is the Average Bra Size in the UK?What the published figures say, where they come from and why they mislead.
Facts & Myths Can Your Bra Size Change?Weight, hormones, pregnancy, age and exercise: what moves the band and what moves the cup.
Facts & Myths Bra Size Myths DebunkedTen things widely believed about bra sizes that are not true.