Necklace Length Chart: How to Pick the Right Chain Length

You found the perfect pendant, clicked “add to cart,” and then froze at the dropdown: 16, 18, 20 inches? Necklace length is one of those details that seems small until a chain lands right on your collarbone when you wanted it to graze your neckline, or disappears into a sweater you were hoping to show it off with. The good news is that sizing a necklace is easy once you know what each length looks like on a real body. Here’s a no-fuss guide with a full necklace length chart, a quick way to measure at home, and tips for picking lengths for different necklines and layered looks.

Quick Answer: What Necklace Length Should I Get?

If you’re shopping for most women and don’t know their preferences, 18 inches is the safest bet. It’s the most common women’s necklace length in the US, and on most necks it sits just below the collarbone, so it works with crew necks, V-necks, and button-downs alike.

• 16 inches sits higher, close to the base of the neck. Great for delicate everyday chains and open necklines.
• 18 inches is the all-rounder for pendants and minimalist pieces.
• 20 to 24 inches drops toward the top of the bust, which is ideal for wearing over higher necklines or for layering.

Planning to build a layered look? Start with one or two simple chains in different lengths. Browsing our women’s chain necklaces is an easy way to see how different chain styles and thicknesses look before you commit to a length.

Necklace Length Chart (Women)

These are the standard US lengths you’ll see on most jewelry sites. Where a necklace actually lands depends on your neck size, height, and build, so treat the “where it sits” column as a typical guide, not a guarantee.

Men’s necklaces generally run longer. Most men wear 20 to 24 inches, with 22 inches being a popular pick for chains and pendants that sit around the top of the chest.

How to Measure Your Necklace Length at Home

You don’t need a jeweler for this. Grab a soft measuring tape (the sewing kind) or a piece of string and a ruler.

Method 1: Use a necklace you already love

1. Lay your favorite necklace flat on a table in a straight line.
2. Measure from the end of the clasp to the end of the opposite ring, in inches.
3. That’s your go-to length. If you want something to sit a little lower, go up 2 inches. A little higher, go down 2 inches.

Method 2: Measure with string

1. Drape a piece of string around your neck and let it fall where you’d like the necklace to sit.
2. Pinch the string where the two ends meet, then check the drape in a mirror.
3. Lay the string flat and measure it with a ruler. Round to the nearest standard length (16, 18, 20, 22, or 24 inches).

Factor in your neck size

The chart above assumes an average women’s neck of about 13 to 14 inches around. If your neck measures larger, every length will sit higher on you. A simple rule of thumb: add about 2 inches to the chart length for every 2 inches your neck is above 14 inches. A 16-inch “choker” on a 15.5-inch neck can feel more like a collar, so going up to 18 inches gives you a more comfortable drape.

Picking a Length for Your Neckline

The easiest way to make a necklace look intentional is to match it to what you’re wearing. A few pairings that almost always work:

Don’t Forget the Pendant Drop

Here’s a detail a lot of shoppers miss: chain length is measured without the pendant. If your pendant hangs 1 inch from its bail, it’ll land about an inch lower than the chain alone. For a pendant meant to sit right at the collarbone, an 18-inch chain is usually the sweet spot. Going with a heavier or larger pendant? Bump up to 20 inches so it has room to hang without pulling the chain into a sharp V.

Many sterling silver chains also come with an extender, often 1 to 2 inches, that lets you adjust the fit. If you’re buying a gift and aren’t sure about size, an adjustable chain or one with an extender takes most of the guesswork out.

How to Layer Necklaces by Length

Layering looks effortless when it’s done well, but it’s really just a bit of spacing math. These tips help keep things neat:

• Space each layer about 2 inches apart. A classic trio is 16, 18, and 20 inches. Less than 2 inches and the chains tend to bump and tangle.
• Put the most delicate chain on top. The shortest necklace should usually be the thinnest, with heavier chains or bigger pendants lower down.
• Vary textures. Pair a plain cable chain with a paper clip or rope chain so each layer reads as its own piece.
• Stick to one metal tone, or mix with intent. All sterling silver feels clean and modern. If you mix silver with gold-filled pieces, repeat each tone at least twice so it looks deliberate.
• Use a layering clasp or detangler if you find your chains twisting together during the day.

Common Necklace Sizing Mistakes to Avoid

• Going too short for a gift. A chain that’s too long still works; one that’s too tight won’t get worn. When in doubt, choose 18 inches or something adjustable.
• Ignoring the clasp. Tiny spring ring clasps are hard to handle for some people. A lobster clasp is usually easier for everyday wear.
• Picking a heavy pendant on a thin chain. Very fine chains can kink or stretch under weight. Match the chain thickness to the pendant’s size.
• Measuring a necklace while it’s clasped. Always lay it flat and unclasped for an accurate reading.

Finding Your Next Favorite Length

Once you know your sweet spot, shopping gets a lot easier. Most people end up with one everyday length (often 18 inches) and one longer length for sweaters and layering. If you’re ready to put your new sizing know-how to use, our women’s pendant necklaces are a nice place to find a piece that suits your go-to length. Just check the chain length listed on each product page and pick what fits the way you like to wear it.

Frequently Asked Questions