NaillyNail-shape guides usually list the shapes and leave you to guess which belongs on your hands. This one works backwards: start from what your hands and nail beds actually are — wide or narrow, long or short, flat or arched — and find the shapes that flatter them. Ten minutes of honest assessment beats years of copying sets that looked great on someone else's fingers.
First, read your own hands
Three observations, made with a ruler and no self-criticism:
Nail bed proportion — measure a nail's width and its visible length (cuticle to where it leaves the finger). Roughly as long as wide = a wide/short bed. Half again longer than wide = average. Twice as long as wide = narrow/long.
Finger length — relative to your palm: fingers longer than the palm read long; shorter, read short.
Knuckle presence — prominent knuckles change what lengths look balanced; pronounced joints are visually calmed by a little more nail length.
If your nail beds are wide or short
Your goal is usually to add visual length, and the tool is a tapered silhouette. Almond is the reliable winner — the inward curve slims the nail's apparent width and lengthens the finger. Oval does the same at shorter lengths and lower maintenance. Rounded shapes beat square here: hard 90° corners emphasise width, so classic square is the one to skip unless you crave the retro look deliberately. Sheer and milky colours also read narrower than opaque brights — a free trick that costs nothing.
If your nail beds are narrow or long
You have the opposite budget: width to spare. Square and squoval look crisp rather than widening; coffin/ballerina gets its full editorial effect (it needs bed length to establish the taper before the flat tip). Very pointed stiletto shapes can over-lengthen an already long bed into fragility — if you love the drama, a shorter stiletto or a tapered almond delivers it with less caricature.
If your fingers run short
Almond or oval, medium length, and keep the base colour running to the free edge (French bands visually shorten the nail — if you want one, make it micro). Vertical design elements — a single centre line, a lengthwise gradient — quietly extend; horizontal blocks truncate.
If your hands are mature or knuckle-forward
A little length balances prominent joints, and soft shapes (oval, almond) flatter where sharp geometry emphasises. Sheer warm colours photograph kinder than stark opaque whites. This is also where a great tech earns their fee: say “I want the length that balances my knuckles” and watch them nod.
The rule that overrides all of this
Fit beats fashion, but joy beats fit. If coffin nails make you feel like the person you are trying to be, wear the coffin nails. These are defaults for the undecided, not laws for the committed.
See the answer instead of guessing it
The entire question — which shape, at which length, on hands like yours — is exactly what the Nailly design studio answers visually: flip the same design through almond, oval, square, coffin and stiletto, slide the length, and watch which combination clicks. Then send the winner to an artist near you, shape and length specified, and never argue with a shape chart again.