Necklace Length Chart: How to Choose the Right Length
Buying a necklace online involves one guess that decides everything: the length. A pendant that looked perfect on the model can sit awkwardly high on you, or disappear into a neckline entirely. The frustrating part is that necklace lengths are described in inches, and almost nobody can picture what 20 inches looks like on a body.
This guide fixes that. Below you will find where every standard length actually falls, how to measure your own neck in about thirty seconds, and a neckline-by-neckline table so you can match a necklace to what you are actually wearing.
Necklace Length Chart
These are the standard lengths sold by jewelers, with the traditional name for each and where it sits on an average adult woman of around 5 feet 5 inches.
| Length | Name | Where It Sits | Best For |
|---|---|---|---|
| 14 inches | Collar | Tight around the base of the neck | Off-shoulder and strapless necklines |
| 16 inches | Choker | Right at the base of the throat, on the collarbone | Scoop, sweetheart and square necklines |
| 18 inches | Princess | Just below the collarbone, at the top of the chest | The default. Works with almost everything |
| 20 to 22 inches | Matinee | Between the collarbone and the top of the bust | Crew necks, business wear, longer pendants |
| 24 inches | Matinee (long) | At the bust line | Layering, high necklines |
| 28 to 32 inches | Opera | At or just below the bust | Turtlenecks, sweaters, evening wear |
| 36 inches and over | Rope or Lariat | At the waist, or doubled into two layers | Statement styling, pearls, knotted looks |
How to Measure Your Own Necklace Length
Two methods, both quick.
Measure a necklace you already own. This is the most reliable approach. Lay a necklace you like the fit of flat on a table, unclasped, and measure it end to end including the clasp. That number is your baseline. If it sits slightly too high, add two inches; slightly too low, subtract two.
Measure your neck. Wrap a soft tape measure, or a piece of string you then measure against a ruler, around the base of your neck where a choker would sit. Most adult women measure between 13 and 16 inches. Then add:
- Add 2 inches for a snug choker that sits at the throat
- Add 4 inches for a comfortable collarbone-length necklace
- Add 6 inches for a princess length that sits below the collarbone
- Add 8 to 10 inches for a pendant that falls at the top of the chest
One thing the tape cannot tell you: a pendant adds visible length. A necklace chain measured at 18 inches with a one inch drop pendant will read like a 19 inch necklace on the body. Account for the pendant when the drop is significant.
Necklace Length by Neckline
The single biggest mistake is a necklace that competes with the neckline instead of complementing it. The rule that works nearly always: the necklace should either sit clearly above the neckline or clearly below it, never right on the edge of it.
| Neckline | Best Length | Why |
|---|---|---|
| Crew neck | 20 to 24 inches | Sits below the fabric edge instead of fighting it |
| V-neck | 16 to 18 inches, with a pendant | A pendant echoes the V and draws the eye down the same line |
| Scoop neck | 16 to 18 inches | Follows the curve of the neckline without touching it |
| Square neck | 16 to 18 inches | A short chain softens the hard horizontal line |
| Boat neck | 24 inches or more | The high wide edge leaves no room above it |
| Turtleneck | 28 to 36 inches | Long pendants break up the column of fabric |
| Strapless or sweetheart | 14 to 16 inches | A collar or choker fills the open space at the throat |
| Off-shoulder | 14 to 16 inches | Keeps attention on the shoulders and collarbone |
| Halter | Skip it, or a 14 inch collar | The halter strap already occupies the neckline |
| Button-down shirt | 16 and 18 inches layered | Two short chains sit neatly inside an open collar |
If you want to combine several lengths at once rather than choosing one, our guide to layering necklaces covers the spacing that stops chains tangling.
Adjusting for Height and Build
Standard lengths are designed around an average frame, so they need small adjustments at either end of the range.
If you are petite, under about 5 feet 3 inches, standard lengths sit lower on you than intended. A 16 inch necklace often reads as an 18 would on a taller frame. Subtract roughly two inches from the chart, and favour shorter chains and smaller pendants, which keep proportions balanced.
If you are tall, over about 5 feet 8 inches, do the reverse and add two inches. An 18 inch chain can look slightly tight; 20 inches usually reads as the classic princess length on you.
If you have a fuller bust or broader shoulders, avoid lengths that end exactly at the bust line, as a chain that rests there tends to shift around during the day. Go either shorter, to the collarbone, or longer, past the bust, where the chain hangs cleanly.
For a shorter or wider neck, longer chains with a vertical pendant elongate the line. A tight 14 inch collar does the opposite.
Men’s Necklace Lengths
Men’s chains follow the same measurement system but start longer, because men’s necks measure larger on average.
- 18 inches sits at the base of the neck, and is the shortest most men wear
- 20 inches falls at the collarbone and is the most common daily length
- 22 inches sits just below the collarbone, and works well under a shirt
- 24 inches falls at the sternum, the standard for a pendant or dog tag
- 30 inches reaches mid-chest, usually worn outside a t-shirt as a statement
Children’s Necklace Lengths
For gifting, the usual sizes are 12 to 13 inches for babies and toddlers, 14 inches for ages roughly three to eight, and 16 inches from around nine upward, at which point standard adult sizing takes over. An adjustable chain with several clasp positions is by far the safest gift, since it grows with the child.
Adjustable Chains and Extenders
If you are buying a gift and cannot check her measurements, look for a chain with a built-in extender, usually offering 16, 18 and 20 inch positions. It removes the guesswork entirely and costs almost nothing extra.
You can also buy a separate extender chain for a few dollars and add one to two inches to any necklace you already own. It is the cheapest fix for a necklace that sits slightly too high, and it lets you re-wear a chain that does not work with a particular neckline.
The same logic applies to rings, where guessing is even riskier because there is no extender. If a ring is on your gift list, see our guide to measuring ring size first.
Choosing the Chain Itself
Length is only half the decision. The weight of the chain matters just as much, because a delicate cable chain and a thick curb chain of identical length create completely different effects.
As a general guide, a heavier pendant needs a heavier chain, both for balance and for safety. A substantial stone on a fine chain will eventually stress the links at the bail. And the metal matters for longevity: a plated chain worn daily at the neck, where skin oils and perfume concentrate, wears far faster than most people expect. Our comparison of solid gold, gold filled, vermeil and gold plated explains which holds up.
If you are choosing between yellow gold, white gold and silver, that decision is best made against your skin rather than in the abstract. Our guide to finding your skin undertone covers how to tell which metal suits you.
Frequently Asked Questions
What is the most common necklace length?
18 inches. It is the default for women’s pendant necklaces because it sits just below the collarbone, which flatters most necklines and most frames.
Is 20 inches too long for a necklace?
Not at all. A 20 inch chain sits between the collarbone and the top of the bust, which works especially well with crew necks and higher necklines where a shorter chain would be hidden.
How do I know my necklace size without a tape measure?
Use a piece of string or a phone charging cable. Wrap it around the base of your neck, mark where the ends meet, then measure it against a ruler. Add four to six inches for a comfortable everyday length.
What length necklace should I buy as a gift?
18 inches, or an adjustable 16 to 20 inch chain. Both are safe choices for an adult woman when you cannot measure.
Should the necklace sit above or below the neckline?
Clearly above or clearly below, never level with it. A chain that lands exactly on the fabric edge looks unplanned and tends to catch on the garment.
