Wig length is measured with the hair stretched straight — so a curly or wavy wig will arrive shorter than the number on the label. That single fact causes more disappointed unboxings than anything else in wig buying, and almost no product page mentions it.
Below is where each length actually falls, how much texture takes back, and how to pick a number that lands where you want it.
How Wig Length Is Measured
Manufacturers measure from the top of the wefts or the crown of the cap down to the ends, with the hair pulled flat and straight. Private Label Extensions states it plainly: hair length is "measured flat and stretched straight." It is a measurement of the hair fibre, not of where the hair will sit on your body.
Two things distort that number by the time it reaches you:
- Texture. Any wave or curl shortens the visible drop, because the hair travels a longer path to cover the same vertical distance.
- Your height. The same wig sits higher on a taller person. Private Label Extensions puts it plainly: "Height matters — the same wig sits higher on a taller person." A length that reads mid-back at 5'2" can read upper back at 5'9".
So treat every chart, including this one, as a range rather than a promise. Anyone quoting an exact landing point to the inch is guessing on your behalf.
Wig Length Chart: Where Each Length Falls
These placements assume straight hair on a wearer of average height, measured from the crown. Add or subtract a band if you are much taller or shorter than average.
| Length | Roughly where it falls | Reads as |
|---|---|---|
| 8–10 in | Jaw to chin | Short bob |
| 12 in | Collarbone | Long bob / lob |
| 14 in | Shoulder | Shoulder-length |
| 16 in | Just past the shoulder, around the armpit | The most common "medium" length |
| 18 in | Upper chest, below the armpit | Clearly long without being dramatic |
| 20 in | Mid-back | Long |
| 22 in | Mid to lower back | Long, starts needing daily management |
| 24 in | Lower back, approaching the waist | Very long |
| 26 in | Around the waist | Statement length |
| 28 in | Waist to lower back | Statement length |
| 30 in | At or just past the waist | Maximum practical length |
The bands most people misjudge are 16 and 20. Sixteen inches sounds short on paper and looks longer than expected in the mirror; twenty inches sounds manageable and is a genuine commitment in daily upkeep.
One caveat worth stating out loud: at 26 inches and above, published charts start disagreeing with each other. Private Label Extensions describes 26 inches as reaching "the waist on most people", 28 inches as falling "between your waist area and lower back", and 30 inches as "almost at your waistline" — three descriptions that don't stack neatly. That is not sloppiness so much as a real limit: waist height varies between people more than any other landmark on this list. Treat the long end of any length chart, including this one, as approximate.
Adjusting for Your Height
The chart above assumes average height. Private Label Extensions publishes the only concrete height breakdown we found, for a 20-inch wig:
| Your height | 20 in straight falls at | 20 in deep wave falls at |
|---|---|---|
| 5'0" – 5'3" | Mid-back | Upper back / shoulder blades |
| 5'4" – 5'6" | Mid-back | Upper back |
| 5'7" – 5'9" | Upper-mid back | Just below shoulders |
| 5'10"+ | Upper back | At or near shoulders |
Read across that table and the working rule falls out: from 5'7" upward, a wig reads roughly one band shorter than the chart says. If you are 5'8" and want mid-back, order the next length up. Below 5'4", the chart lands as written or slightly lower.
Note the right-hand column too — at 5'10" a 20-inch deep wave barely clears the shoulders. Height and texture stack, and that combination is where orders go most wrong.
The Part Nobody Puts on the Product Page: Texture Shrinkage
This is the number that actually decides whether you are happy with your order.
Because length is measured stretched, curl pattern eats into it. Private Label Extensions publishes the following typical reductions:
| Texture | Typical shrinkage | A labelled 20 in reads as |
|---|---|---|
| Straight | None | About 20 in |
| Body wave | 1–2 in | About 18–19 in |
| Deep wave | 2–4 in | About 16–18 in |
| Kinky curly | 4–6 in | About 14–16 in |
Their advice follows directly from it: "If you want the appearance of 20-inch length in a deep wave, buy a 22–24 inch wig instead."
That is the rule in one line — buy up by the shrinkage of your texture. A curly wig bought at face value is the single most common length complaint, and it is entirely avoidable at checkout.
One thing almost no chart mentions: shrinkage grows with length. The figures above are for a 20-inch wig. The same retailer's 26-inch guide says a deep wave at that length reads "20-22 inches" and kinky curly reads "18-22 inches". Subtract those from 26 and you get roughly 4–6 inches of loss on deep wave and 4–8 on kinky curly, against 2–4 and 4–6 at twenty inches. (Those subtractions are our arithmetic on their published figures, not numbers they state directly.)
That makes sense — more hair means more curl pattern to compress — and it has a practical consequence: the longer you go, the more you need to add back. At 16 inches the correction is a rounding error. At 28 inches in a curly texture it can be most of a size.
Worth knowing in the other direction too: if you straighten a curly wig, it will suddenly read at its labelled length and feel much longer than the wig you have been wearing. That is not a defect.
Synthetic vs Human Hair: Does Length Behave Differently?
The measuring convention is the same, but two practical differences matter.
Synthetic holds its length more predictably. The curl pattern is heat-set into the fibre, so a synthetic wig arrives at a fixed shrinkage and stays there. It will not relax over a week of wear the way some human hair textures do, which means what you see on day one is what you get on day thirty.
Human hair can be cut to fit; synthetic can too, but with less margin. If a human hair wig comes in longer than you wanted, a stylist can take it down. Synthetic can also be trimmed, but the ends are the part that shows wear first, so cutting off several inches is a bigger decision — see our guide on cutting wig hair without it looking fake before you reach for scissors. The two fibres differ in several other ways that affect this choice, which we cover in the human hair versus synthetic comparison.
The practical takeaway for synthetic buyers: order the length you want to wear, not the length you plan to cut down to.
How to Pick Your Length in Three Steps
- Find the landing point you want on your own body. Ignore inches for a moment. Collarbone? Mid-back? Put your hand there.
- Read the straight-hair number off the chart above, then adjust for height — from 5'7" upward, go one length longer than the chart says.
- Add your texture's shrinkage. Straight, add nothing. Body wave, add 1–2 inches. Deep wave, add 2–4. Kinky curly, add 4–6.
Two more things that change the answer. Length interacts with density: the same 24-inch wig looks heavy at 180 density and sparse at the ends at 130, because long hair thins toward the tips. And cap fit matters more as length increases — a long wig is heavier, so it pulls. Getting your head measurement right before you buy a 24-inch wig is not optional.
Every Oglowa glueless wig lists its length alongside texture, density and cap size, so you can run those three steps before ordering rather than after.
FAQ
How long is a 20 inch wig?
On an average-height wearer, a straight 20-inch wig falls to around mid-back. In a deep wave or curly texture the same wig reads several inches shorter — typically 16–18 inches of visible length.
Why does my curly wig look shorter than the length I ordered?
Because length is measured with the hair stretched straight. Curl pattern shortens the visible drop by roughly 1–2 inches for body wave, 2–4 for deep wave and 4–6 for kinky curly. Nothing is wrong with the wig.
Is 16 inches short?
No. Sixteen inches usually falls just past the shoulder, around the armpit, and reads as a normal medium length. It is the most commonly ordered length for that reason.
What length is best for a first wig?
Something between 14 and 18 inches. Shorter wigs are lighter, tangle less, and are far more forgiving while you learn to install and style — long wigs magnify every mistake.
Does wig length include the cap?
No. Length is the hair itself, measured from the crown or the top of the wefts to the ends. The cap adds nothing to the number.
Can I cut a wig shorter?
Yes, though it is easier to go shorter than longer. Cut dry, in small amounts, and ideally have it done by someone who cuts wigs — the ends are what make a wig read as real hair.
Keep Reading
- How to Measure Your Head for a Wig (And Find Your Perfect Fit)
- How to Cut Wig Hair Without It Looking Fake
- Human Hair Wig vs Synthetic Wig: The Honest Comparison
Ready to pick a length? Browse the Oglowa glueless wig collection — every product page lists length, texture, density and cap size together.
