Ring sizing, fit and buying
The best time of day to measure your ring size
Your fingers change size by up to half a ring size between morning and night. Here is when to measure, and why the evening reading is the one to order against.
Read the articleAccuracyNine ring sizing mistakes that cost people a resize
The nine errors behind most badly fitting rings, from measuring the outside of a band to trusting an unscaled printout, and how to avoid each one.
Read the articleTechnologyHow screen calibration turns a phone into a real ring gauge
Why most on-screen ring sizers are wrong, what pixels-per-inch has to do with it, and how to verify any screen scale with a coin or a credit card.
Read the articleAccuracyString, paper, printout or app: every ring sizing method ranked
Six ways to measure a ring size compared on accuracy, cost and what each one actually gets wrong. The honest ranking, including where apps lose.
Read the articleConversionWhat ring size is 17 mm?
A 17 mm inner diameter is a US 6½. Here is the full decoder for every millimetre measurement between 14 and 23 mm, in every sizing system.
Read the articleProposalsA seven-day plan to get her ring size secretly
A day-by-day plan for finding an engagement ring size without giving anything away, with a fallback for each step that fails.
Read the articleConversionWhy the UK uses letters and Europe uses millimetres
Six countries, six ring sizing systems, one underlying measurement. A short history of how the world ended up with letters, numbers and millimetres.
Read the articleBuyingCan you resize a ring?
Which rings can be resized, how far, what it costs, and which materials cannot be touched at all. Check before you order, not after.
Read the articleBuyingWhy your wedding band is not the same size as your engagement ring
Worn together, two rings behave like one wide band. Here is why the wedding band often needs to be a different size, and how to buy the pair correctly.
Read the articleAccuracyCold hands, wrong size: how temperature changes ring fit
Cold hands can read a full ring size small. Here is how much temperature moves a measurement, and how to size a ring that has to fit all year.
Read the articleFitHow tight should a ring be?
A correctly fitted ring resists slightly coming off over the knuckle and does not spin freely at the base. Here is how to test the fit properly.
Read the articleFitRing size and pregnancy
Fingers commonly go up one to two ring sizes during pregnancy. Here is when it typically happens, what to do about the ring, and when it returns.
Read the articleFitDoes losing weight change your ring size?
How much ring size actually changes with weight loss or gain, why fingers respond unevenly, and when to resize rather than guess.
Read the articleBuyingBuying a ring online: the sizing checklist
Ten checks to run before placing an online ring order: sizing system, band width, resize policy, returns window, and the questions sellers rarely volunteer.
Read the articleFitComfort fit vs standard fit: which size should you order?
Comfort fit bands are domed inside and run large. Here is how much to size down, what the trade-offs are, and when standard fit is the better choice.
Read the articleBuyingHow to gift a ring when you cannot ask the size
Adjustable designs, safe default sizes, and gift strategies that survive a wrong guess. How to give a ring when asking would ruin the surprise.
Read the articleBuyingYour ring arrived and it does not fit. Now what?
The order of operations when a ring is too big or too small: returns windows, free resizes, sizing beads, and how to get a stuck ring off safely.
Read the articleFitRing size by hand shape and finger type
Slim fingers, tapered fingers, large knuckles, short fingers. How hand shape changes which size to order and which ring styles actually suit it.
Read the articleTechnologyHow to photograph your hand for the best AI ring try-on
Lighting, angle, background and pose: the six things that decide whether an AI ring try-on looks photoreal or looks like a sticker.
Read the articleFitLeft hand vs right hand: why your ring sizes differ
Your dominant hand is usually a quarter to a half size larger. Here is why, how much it matters, and which hand to measure for which ring.
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