
Press-on nails are a convenient and affordable way to get a salon-style manicure at home. But for the best results, it's important to choose the right size. While some press-on nails come in generic sizes like small, medium, and large, others are made to measure. To find your size, you can use a measuring tape or ruler, or order a nail sizing kit from the seller. You can also place a coin, like a quarter or dime, next to your hand when taking a picture, so the nail technician can scale your photo and work out the right size for you.
How to Measure Finger Nails for Press Ons
| Characteristics | Values |
|---|---|
| Measurement Units | Millimeters |
| Measurement Tools | Clear tape, ruler, soft measuring tape, nail sizing kit, measuring tape, dime or quarter |
| Measurement Technique | Mark the sides of the nails with clear tape and then put it on a ruler or measuring tape. Alternatively, use a soft measuring tape around the widest part of the nail. |
| Choosing the Right Size | The press-on nail should cover the surface of the natural nail without touching the sides of the finger. If it touches the sides, choose a smaller size. If it sits on the natural nail without pressing down, it is too big. |
| Custom Orders | Some sellers offer custom orders for non-standard nail sizes. |
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What You'll Learn

Using a nail sizing kit
To use the kit, start by sorting the nails in the kit into piles for each finger: thumb, pointer, middle, ring, and pinkie. You may find that some of your fingers are the same size, so you can group those together. Next, you will need to measure your nails against the sizing kit nails. Hold each of the sizing kit nails over your nails to find the best fit. You can also try placing the sizing kit nails over your nails to see if they fit.
Once you've found the right size for each finger, you can decorate the press-on nails in your chosen design. It's a good idea to have a couple of each size, so you can pick the one that fits your nail and then add your chosen design. That way, you can ensure both the size and the design are to your liking.
If you're in between sizes, it's recommended to size up rather than down. You can always file away the edges of a larger nail for a better fit, but you can't add material back to a nail that's too small.
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Measuring with a ruler or measuring tape
Measuring your nails for press-ons is essential for achieving a natural look and ensuring comfort. Poorly fitted press-ons can not only look fake but also cause discomfort and trap moisture, leading to fungal infections. Here's a detailed guide on measuring your nails with a ruler or measuring tape:
Preparing to Measure:
Before you begin, gather your tools: a ruler or measuring tape, a piece of clear tape, and a pen or marker. Ensure your nails are free of any polish or residue, as this can affect the accuracy of your measurements.
Measuring with Tape and Ruler:
- Place a piece of clear tape across the top of your nail.
- Using your pen or marker, draw a line on both sides of your nail, marking the widest part of your nail bed.
- Carefully remove the tape from your nail, ensuring that the ink marks are visible and intact.
- Take the piece of tape with the markings and place it on a flat surface.
- Use a ruler to measure the distance between the two lines in millimeters.
- Record this measurement for each nail, as the size may vary slightly between them.
- Refer to the corresponding finger chart provided by the press-on nail brand to determine your nail size.
Alternatively, you can use a soft fabric measuring tape, which is designed for body measurements. Wrap the tape around the widest part of your nail, and read the measurement in millimeters. This method is faster but may be slightly less accurate than the tape and ruler method.
Additional Tips:
- Always measure both hands, as there can be variations in nail size between your left and right hands.
- If your measurements fall between sizes, it is generally recommended to choose the larger size. You can file down a larger press-on nail for a better fit, but a smaller nail may cause discomfort and leave your natural nail exposed.
- If you're unsure about measuring yourself, reach out to your nail technician or press-on nail provider for guidance. They may offer size kits or provide specific instructions for achieving the best fit.
By following these steps and taking your time to measure accurately, you'll be able to select press-on nails that fit comfortably and look natural.
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Ordering a trial set
If you're unsure about your nail measurements, it's worth ordering a trial set of press-ons to test out the sizes before committing to a full set. Many press-on nail brands offer clear trial sets, which can help you determine the best fit for your nails.
When ordering a trial set, look for one that includes a variety of sizes, such as small, medium, and large. This will ensure that you can find the most suitable size for each of your nails. Some trial sets may also include a measuring tape or a size kit, which can be useful for taking your own measurements.
If the seller doesn't provide a measuring tool, you can purchase a soft measuring tape or clear tape to mark the sides of your nails. You can then transfer these measurements to a ruler or measuring tape to determine your nail size in millimetres. It's important to remember that your nails may not perfectly fit into standard measurements, and that's okay! Many press-on nail brands offer custom orders to accommodate different nail sizes and shapes.
When trying on the trial set, follow these steps to determine your best fit:
- Lay out all the press-on nails and begin trying them on.
- Your ideal fit will cover the entire surface of your natural nail without touching the sides of your finger.
- If the press-on nail touches the sides, it's too small, and if it sits on your natural nail without needing to be pressed down, it's too big.
- If you're between sizes, always choose the smaller size, as nails that are slightly too large won't last as long.
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Comparing to a coin
Measuring your nails for press-ons is crucial for achieving the perfect look, feel, and longevity. If your press-ons are too small, they will look fake and may cause discomfort or even lead to fungal infections. On the other hand, oversized press-ons will appear unnatural and may not stay in place.
One method for determining your nail size is by comparing them to a coin, such as a dime, 5p coin, or a quarter. This method is often used when purchasing locally made press-on nails or from certain websites like Etsy. Place the coin on a flat surface, such as a table, and lay your hand next to it with your fingers pressed down flat, excluding the thumb. Take a picture from a bird's-eye view, capturing the coin and your fingers in the frame. Repeat this process for your thumb and the other hand, as finger sizes can vary.
When ordering, you can submit these pictures to the seller, who can scale them using an actual coin as a reference. This ensures that your press-on nails are sized appropriately. Some sellers may also provide trial sets or clear nails to help you determine the correct size before purchasing.
It is important to note that different sellers may use varying nail tip sizes, so it is helpful to inquire about their specific sizing before placing your order. Additionally, your fingernails on each hand might not be the same size, so measuring both hands is essential. If your nail measurements fall between sizes, it is generally recommended to choose the larger size and adjust the fit by filing the sides of the press-on nail.
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Covering the natural nail
When choosing press-ons, it's important to select a size that will cover the surface of your natural nail. The best fit will sit perfectly on your natural nail without needing to press it down, and it shouldn't touch the sides of your fingers. If it touches the sides, it's too big, and you should try a smaller size.
To measure your nails for press-ons, you can use a measuring tape or a ruler. You can place a piece of clear tape on your nail, mark the sides, and then measure the tape with a ruler or measuring tape. Soft measuring tape can also be wrapped around the widest part of your nail, but this method may not be as accurate.
Some sellers offer nail sizing kits, which are the most accurate way to find your press-on nail size. These kits allow you to try on different sizes before making your purchase. If you're unable to obtain a sizing kit, you can take a picture of your hand with a coin, such as a quarter or a dime, next to it. The nail technician can then scale the picture, using the coin as a reference, to determine your nail size.
If you're in between sizes, it's generally recommended to choose the smaller size. Nails that are slightly too large may not last as long. Additionally, when providing measurements, it's better to size up than down. You can always file away the edges of nails that are slightly too big, but you can't add material back if they're too small.
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Frequently asked questions
You can measure your nails for press-ons by purchasing a nail sizing kit from the seller, which is the most accurate way to find your size. You can also use a soft measuring tape to measure the widest part of your nail. If you don't have access to a measuring tape, you can use a piece of clear tape to mark the sides of your nails and then measure the tape with a ruler.
If your nails don't meet standard measurements, you can opt for a custom order. When placing your order, specify your nail measurements in the notes section. Custom orders may take longer to prepare, so keep that in mind when placing your order.
Your press-on nails should cover the surface of your natural nail without touching the sides of your finger. If the press-on touches the sides, it is too small, and if it sits on your nail without needing to be pressed down, it is too big. If you are in between sizes, it is recommended to choose the smaller size as nails that are too large will not last as long.











































