Getting dressed raises small questions that decide how the whole look turns out: which nail shape will suit my hands, what is my shoe size in European sizes, how long will a new piercing take to heal, what should I wear to my daughter’s wedding. These free tools answer one of those questions each, from your own measurements and answers, in a few seconds. There is nothing to sign up for and nothing to install, and they work on your phone as well as on a laptop.
Size & Fit Calculators
Your numbers in, your size out: shoes, clothes, rings and more, with the spread between brands.
- Shoe Size ConverterYour shoe size in US, UK and EU, women’s to men’s, brand by brand.
- Gauge Size ChartEvery gauge in mm and inches, drawn life size, with what each piercing takes.
- Hat Size CalculatorYour head to US, UK and EU sizes, fitted caps and cowboy hats, chart by chart.
- Women’s Size ConverterYour size in US, UK, EU, French, Italian and Japanese sizes, and from your measurements.
- Body Shape CalculatorBust, waist and hips to your body shape, with the numbers that decided it and what to wear.
- Bra Size Calculator + Sister SizesYour underbust and bust: your bra size in US, UK and EU letters, your sister sizes, and what five makers’ charts say.
- Ring Size Chart & FinderMatch a ring you own on your screen at true size, or measure your finger: your US, UK, EU and Japanese ring size.
Style & Beauty Finders
A few questions about you, and the shapes, colours and styles that suit you, with the reason for each.
- Nail Shape Chart & FinderEvery classic nail shape drawn on your nail, and the ones that suit your hands.
- Mother of the Bride Dress PlannerThe length, the colours and the dates, for the wedding you are going to.
- Color Season Quiz & Undertone TestYour colour season and undertone, and the colours, lipstick and metals that suit them.
- Face Shape FinderTap six points on a selfie and see your face shape, with the cuts, frames and earrings for it.
- Hair Type QuizYour curl pattern (1A–4C), strand width, density and porosity, each on its own.
- Dress Code DecoderWhat cocktail, semi-formal or black tie optional means for you, quoted from the guides.
- AI Closet StylistPhotograph a piece and see what to wear it with: the colours that pair, and the outfits from your own closet.
- Going Gray & Gray Blending PlannerHow many months your colour takes to grow out to gray, and how often each route needs the salon.
- Closet DeclutterKeep, sell, donate or box it for 90 days: four questions a piece, and the rule behind each answer.
- Concert Outfit PlannerPick the music, the venue and the weather: get the look, the shoes, the layer and the bag your venue allows.
- What to Wear TodayToday’s temperature, wind and sky in, the layers to wear out, from the top to the shoes and what to carry.
- Eye Color Chart & Makeup FinderTap your eye colour on the chart: how common it is, and the eyeshadow and liner that make it stand out.
- Eye Shape FinderThree mirror checks: your eye shape, drawn, and where the eyeshadow and liner go for it.
- Capsule Wardrobe PlannerHow many outfits your capsule makes, the piece that adds the most, a week to wear, and cost per wear.
- Eyebrow Shape & Mapping FinderWhere your brows should start, arch and end, drawn on a face, and the brow shape for your face.
- Lash Map & Lash Style FinderThe lash map for the look you want, drawn on your eye shape, with the length for each part of the lash line.
- Hair Color & Hairstyle Try-OnTry a hair colour, length, texture and fringe on a drawn head, free; see it on your own photo with AI.
- Outfit Color MatcherTap your colour: what goes with it on the fashion colour wheel, an outfit in the 3-colour rule, and the shoes and nails.
Charts, Trackers & Costs
Reference charts you can tap, trackers that count the days, and what things cost.
- Ear Piercing ChartEvery ear piercing by name: where it sits, the pain, the healing time.
- Tattoo Pain Chart & Placement FinderHow much each spot is said to hurt, and the placements that hurt less and hide at work.
- Tattoo Healing TrackerToday’s healing stage for your tattoo, what to do now, and the signs that need a doctor.
- Birthstone FinderEvery month’s birthstones, their colours and hardness, and your family’s stones side by side.
- Hair Length Chart & Growth CalculatorWhere each hair length falls, ear to tailbone, and how many months until yours gets there.
- Where to Sell ClothesWhat a piece would resell for, and what you keep on each app after its fee.
- Salon & Beauty Tip CalculatorThe service, the price and how it went: the tip for your stylist, nail or lash tech and the assistant, and the total.
- Tattoo Cost CalculatorSize, detail and your artist in: the likely price, the hours and sessions, and the tip.
- Tattoo Removal Cost & Sessions CalculatorHow many laser sessions your tattoo may take (the Kirby-Desai scale), how many months, and what it costs in your state.
- Ring Resizing Cost & Can It Be Resized?Can your ring be resized, and what will it cost? By metal, stones and sizes, from jewellers’ published prices.
- Cover-Up Tattoo CheckerCan your old tattoo be covered? How big and dark the new one must be, the colours that cover, and when to fade it first.
- Nail Growth & Manicure Timeline CalculatorWhen your gel or acrylics need a fill, how long to grow your nails longer, and how long a lost nail takes to grow back.
- Resale Fee CalculatorWhat eBay, Poshmark, Mercari and Depop take from a sale and what you keep, side by side, and the price to list at.
- Birth Flower FinderEach month’s birth flowers and what they mean, and a bouquet of your whole family’s flowers.
Where the answers come from
A size is only as good as the chart behind it, so the size tools show what the brands they cite actually call your measurement, side by side, and they say plainly when two brands disagree. Style advice, like which nail shape flatters short fingers, has no single official answer: each tool names at least two sources for every rule it uses and tells you when a choice is simply taste. Anything about healing, like piercings and tattoos, comes from official health sources, and those tools always tell you when to see a doctor.
Your photos stay on your phone
A tool that looks at a photo does it inside your own browser. Nothing is uploaded, and nothing is kept.
Share an answer, or keep it
Every result has its own link. Copy link saves exactly what you entered, so you can send your shoe size to someone buying you a gift, or open your nail shape on the phone at the salon without answering the questions again.
Put a tool on your own site
Every tool has an Embed button. It gives you a short piece of code to paste into a page on your blog or website. The tool works there exactly as it does here, free, with a credit line linking back to NeedleStyle.
More from NeedleStyle
The tools answer the quick questions. For the ideas themselves, like outfits, nails, hair and makeup for every occasion, start with the latest NeedleStyle posts.