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Size & fit guide

Sizing and application guide

Find a comfortable fit for your nails.

From measuring and choosing sizes to applying your tips, follow each step at your own pace.

Illustration of measuring tools including a tape measure, paper and pen
Images illustrate the steps described in this guide.

Measure your nails

Start with the width of each nail

About nail sizing samples

To reduce the wait for sample delivery and size confirmation, we guide you through measuring your nails at home and do not send sizing samples in advance.

If you need help measuring or choosing sizes, please contact us before ordering.

Measure bare nails

Your nails should be free from polish and gel before measuring.

Measure all ten separately

The same finger can differ between hands. Check every nail from thumb to little finger.

Follow the curve, in mm

Measure the widest part of the nail along its curve. Do not include the surrounding skin.

With a measuring tape

Use a flexible measuring tape

  1. Illustration of aligning the zero line with one edge of the nail

    Align the zero mark with one edge

    Place the zero line, rather than the physical end of the tape, at one side of your nail.

  2. Illustration of following the nail curve with a flexible tape

    Follow the curve

    Keep that point in place and gently follow the curve of the nail. Avoid gaps or pulling the tape too tightly.

  3. Illustration of reading the scale at the opposite edge of the nail

    Read the mark at the other edge

    Read where the tape meets the opposite edge of the nail and record the width in millimetres. If you cannot start at zero, subtract the starting reading from the ending reading.

About the illustrated scale

The images illustrate the method. Do not use the numbers shown as your nail width; measure your own nails and record the results in millimetres.

An alternative method

No tape? Use paper and a ruler

You will need a narrow strip of paper, a physical ruler and a pen. You only need to use one of the two measuring methods.

  1. Illustration of placing paper along the curve of a nail

    Follow the curve with paper

    Place a narrow strip of paper across the widest part of your nail. Follow the curve without wrapping it too tightly.

  2. Illustration of marking both nail edges on the paper

    Mark both nail edges

    Keep the paper still and make a fine mark at each edge of the nail, leaving two marks on the paper.

  3. Illustration of laying the marked paper flat

    Remove the paper and lay it flat

    Take the marked paper off your nail and lay it flat on a table. Do not stretch the paper.

  4. Illustration of measuring between the two marks with a ruler

    Measure between the marks

    Align one mark with zero on the ruler and measure to the other in millimetres. Measure between the marks, not from the paper’s edge.

Check your units: 1 cm = 10 mm / Example: 1.4 cm = 14 mm

Choose your size

Use all ten measurements to enter your requested widths

Refer to the chart for your chosen product and shape

Check the size chart for the tip shape on the product page. Using the measurements of all ten nails, enter your requested nail width in millimetres for each finger.

Presets are reference values only. Review and adjust the values for every finger on both hands to match your nail widths.

The values you enter are your requested nail widths. They do not guarantee the finished tip dimensions or finishing accuracy to 0.1 mm.

Explore products and size charts

How to organise your notes

Right hand
FingerWidth (mm)
ThumbSpace for your measurement
IndexSpace for your measurement
MiddleSpace for your measurement
RingSpace for your measurement
LittleSpace for your measurement
Left hand
FingerWidth (mm)
ThumbSpace for your measurement
IndexSpace for your measurement
MiddleSpace for your measurement
RingSpace for your measurement
LittleSpace for your measurement

Record your measured nail widths in this order. These measurements are different from the tip size numbers.

Unsure which size to choose?

Ask us before ordering. To include photos, you can also send us an Instagram DM.

Apply your nail tips

Apply with the included adhesive tabs

Check the size and direction of each tip before applying it to a clean, dry nail. Follow the enclosed instructions for handling the adhesive tabs.

  1. Illustration of checking the size and direction of a nail tip

    Check the size and direction

    Before adding adhesive, place each tip against your nail to check the fit and which end sits at the base.

  2. Illustration of cleaning a natural nail with a pad

    Clean and dry your nails

    Wipe away oil and dirt from the nail surface, then allow it to dry completely.

  3. Illustration of choosing an adhesive tab size

    Choose the tab size

    Choose an adhesive tab that does not extend beyond your nail. Check its size against the nail before applying.

  4. Illustration of placing an adhesive tab on a nail

    Apply the adhesive tab

    Apply the tab according to the enclosed instructions and smooth it onto the nail, without overlapping the surrounding skin.

  5. Illustration of removing the protective film from an adhesive tab

    Remove the protective film

    If your tabs have a protective film, remove only the top film, leaving the adhesive tab in place. Follow the enclosed instructions for the structure and handling of your tabs.

  6. Illustration of pressing a nail tip into place

    Position and press the tip

    Align the tip without overlapping the surrounding skin, then press down to secure it.

Optional adhesives

Using a separately sold adhesive?

The method differs from adhesive tabs. Check the instructions for the product you are using.

NFS Nail Tip Gummy 20g (Clear Gel Adhesive)

NFS Nail Tip Gummy

Apply the gel to your natural nail and cure it under a UV/LED lamp without the tip in place. Attach the tip after curing.

View product instructions
Beauty Nailer False Nail Adhesive (One Touch Nail NEN-1)

NEN-1 nail adhesive

Apply a thin layer to the underside of the tip where it overlaps your nail. Allow it to dry until transparent before applying.

View product instructions

Curing, drying and removal methods differ by product. Follow the product page and the instructions on the packaging.

Take care when removing your tips.

Do not pull or force them off. Follow the removal instructions for the adhesive tabs or glue you used.

Stop using tabs or glue if they irritate your skin. Store your tips away from direct sunlight, high temperatures and humidity.

Here to help

Ask us before you order.

If you need help with measuring or choosing sizes, get in touch. You can include photos in an Instagram DM.