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How to Measure Your Head for a Wig: Three Measurements and Cap Fit

By EVUNIA · Published October 3, 2026 · 4 min read · Updated October 7, 2026

Use a flexible measuring tape with your hair arranged as you intend to wear it beneath the wig. Record circumference, front to nape and ear to ear over the crown. Repeat the measurements and compare them with the selected product’s cap specifications.

Prepare your hair and tape

Use a soft tape that follows the shape of your head. Arrange your own hair as you expect to wear it under the wig, so you are measuring the shape the cap will actually cover. Keep the tape comfortably snug, without pulling tight or compressing your hair.

A mirror or another person can help you check that the tape stays in place. Write each result down with its unit. If you convert between centimetres and inches, keep the original measurement too: one inch equals 2.54 centimetres.

Take three useful measurements

These measurements describe different parts of the fit. A cap can feel different at the crown, nape or around the ears even when its circumference seems suitable.

  1. Circumference: begin at the centre of your natural front hairline, follow around the head just above the ears and around the nape, then return to the starting point.
  2. Front to nape: measure from your natural front hairline over the centre of the crown to the nape where the cap will sit.
  3. Ear to ear over the crown: measure from the top of one ear, across the crown, to the top of the other ear. This is a crown measurement, not a measurement across the forehead.
  4. Repeat each measurement with the tape in the same position. If the results differ, reposition the tape and measure again before choosing a cap.

Prepare your cap-fit enquiry

Record your measurements and the exact option here. This worksheet does not assign a cap size. Compare the answer with that product’s own specifications.

I am considering [style and colour / option]. My measurements are circumference: __ inches; front to nape: __ inches; ear to ear over the crown: __ inches. I measured with my intended under-wig hairstyle. What cap measurements and adjustment range apply to this exact option? If I want to wear it without adhesive, which fixing features are included and how should I fit it? Does the lace need preparation?

Enter the option and all three positive measurements to copy.

Changing the unit clears the measurement fields so old numbers are not relabelled. Entries stay on this page and are not submitted or saved by this worksheet. Contact EVUNIA when you are ready to ask.

Compare with the exact cap option

Use the selected product’s cap measurements and fitting guidance. Size labels such as petite, average, large or Standard can differ between products; they do not replace actual measurements. Check how any verified adjustment range applies to that cap.

Do not use the lace dimensions as a size chart. For example, a listed 13 × 6-inch lace area describes lace coverage and does not mean the cap fits a 13-inch or 6-inch head measurement. Hair length describes the hair, not cap depth or circumference.

If your measurements fall between the published sizes, or the cap measurements are not listed, ask EVUNIA about the selected style and colour before ordering. Send the three measurements with their units. A fitting question is more useful when it identifies the exact option.

What the listing can tell you about fit

Use the selected product’s written specifications and instructions
CheckInformation to useDecision or next step
Head measurementsYour circumference, front-to-nape and crown ear-to-ear measurements.Compare all three with the exact cap; keep the unit with each number.
“Standard” or another size labelA label for the selected option.Request the actual cap measurements and any verified adjustment range.
13 × 6-inch lace areaThe listed lace coverage.Do not treat it as head circumference or a cap size chart.
16-inch hair lengthThe listed hair length for that option.Use it to compare the cut; it does not specify cap fit.

See the EVUNIA fit guide and full return conditions. For an answer about your chosen option, contact EVUNIA.

Check the fit gently before altering the wig

On arrival, position the cap as directed and check the hairline, ears and nape. Move your head gently and notice whether the cap shifts or creates pressure. Adjust only the features actually present and described for your wig; do not force the lace or pull on the hair to make it fit.

If it feels too tight, loose or uneven, contact us before changing the cap. Keep the lace uncut and the item unwashed and unaltered while deciding whether to keep it. Those conditions matter for voluntary returns; the Refund Policy explains the full terms and statutory rights.

Before you order

  • Measure with your intended under-wig hairstyle.
  • Record circumference, front to nape and ear to ear with units.
  • Repeat your measurements.
  • Compare with the selected cap, not its lace area.
  • Confirm fit before washing, cutting lace or making alterations.

Checked against EVUNIA product listings and store policies. Product facts: the linked EVUNIA listings. Fit guidance: Find Your Fit. Ordering conditions: Shipping Policy and Refund Policy. For a question about your selected colour or cap, contact EVUNIA.

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