Caleb Foster
Fingernails grow at different rates, depending on factors such as age, genetics, overall health, nutrition, and even the season. On average, fingernails grow about 0.1 to 0.15 millimetres per day, or around 2 to 3.5 millimetres per month. Nails on the dominant hand and longer fingers tend to grow faster, and nail growth is generally faster during the summer months. While there are methods to strengthen nails and prevent breakage, enabling them to grow longer, there is little one can do to speed up the natural growth of nails. Maintaining nail health is crucial, and this can be done by regularly washing and drying hands and nails, moisturising with oils, wearing gloves when handling harsh chemicals or performing tasks that can harm nails, and avoiding nail-biting.
| Characteristics | Values |
|---|---|
| Average growth in 2 weeks | 2-3 mm |
| Average daily growth | 0.1-0.15 mm |
| Average weekly growth | 0.7 mm |
| Factors influencing growth rate | Age, genetics, overall health, nutrition, hormone levels, season, dominant hand, finger length, pregnancy, etc. |
| Tips for strengthening nails | Take biotin, use nail hardeners sparingly, avoid glue-on nails and toxic polishes, groom nails regularly, etc. |
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What You'll Learn
Factors influencing nail growth
Fingernails grow, on average, about a tenth of a millimeter per day, but this rate can vary due to several factors. These factors include age, finger length, hand dominance, hormones, overall health, and nutrition.
Age is a significant factor in nail growth, with older individuals experiencing slower nail growth than younger people. This is attributed to a decrease in blood circulation with age. Additionally, the nails on the dominant hand tend to grow faster, as do the nails on longer fingers.
Hormone levels also play a role in nail growth. For example, pregnancy and puberty are associated with increased nail growth due to fluctuating hormone levels. On the other hand, lactation and the post-puberty period are marked by decreasing nail growth as hormone levels stabilize.
Overall health and nutrition are other critical factors. Ill health, certain medications, and health conditions can hinder nail growth as the body prioritizes fighting disease-causing organisms or managing the condition. Malnutrition and dietary deficiencies in vitamins, minerals, and protein can also slow nail growth. On the other hand, eating leafy vegetables like broccoli, spinach, and pumpkin can improve nail growth by providing essential vitamins and nutrients.
Lastly, nail care practices can influence nail growth. Maintaining good nail hygiene, including regular washing and drying, using protective gloves when handling harsh chemicals or performing household chores, and keeping nails trimmed and moisturized, can promote healthy nail growth and prevent breakage.
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How to strengthen nails
On average, fingernails grow about 0.1 to 0.15 millimetres per day, or roughly 2 to 3.5 millimetres per month. However, this growth rate can vary depending on several factors, including age, genetics, overall health, nutrition, and hormone levels.
Address the root cause
Firstly, it's important to identify and address any underlying causes of brittle nails, which can range from nutritional deficiencies, chemical exposure, and chronic conditions to genetics, certain medical conditions, and aging. Treating the root cause will help your nails regain their strength.
Take biotin supplements
Biotin, also known as vitamin H or vitamin B7, is a water-soluble vitamin that helps strengthen hair and nails. Since it isn't stored in the body, daily consumption is necessary. Always consult a healthcare professional before taking any supplements to ensure they are safe for you.
Maintain a well-balanced diet
Ensure your diet is rich in nutrients and vitamins that promote nail growth, including calcium, protein, vitamin C, biotin, and vitamin E. Nails are made of the protein keratin, so consuming sufficient protein (20-30 grams per meal) can support nail strength.
Stay hydrated
Drink plenty of water throughout the day. However, avoid excessive water exposure during baths or when washing dishes, as prolonged soaking can weaken your nails. Wear gloves when performing tasks that involve water, such as dishwashing or cleaning.
Choose the right nail products
Select nail polishes and removers carefully. Avoid toxic polishes and removers that contain acetone, as these can dry out and damage your nails. Opt for nontoxic, water-based polishes and acetone-free removers instead. Additionally, consider using nail hardeners sparingly, as prolonged use can break down the nail.
Moisturise and protect your nails
Apply nail oils or moisturisers, especially those rich in phospholipids, such as sunflower oil or canola oil. These fatty compounds increase nail flexibility and combat brittleness.
Keep nails trimmed and neat
Maintain your nails at a comfortable length by trimming them regularly with clean clippers. This helps reduce the chance of sharp edges or snags that can lead to breakage. Gently file your nails in one direction to avoid creating fragile edges.
Practice good nail hygiene
Wash and dry your hands and nails regularly with mild soap to remove dirt and bacteria. When using harsh chemicals, wear protective gloves. Use a nail brush to clean your nails and cuticles, and avoid biting your nails or picking at your cuticles, as this can damage the nail bed.
Consider prescription treatments
If you've tried various remedies without success, consult a doctor or dermatologist. They may prescribe a prescription-strength nail treatment to address underlying conditions causing thin or brittle nails.
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Health and care of nails
On average, fingernails grow about 0.1 to 0.15 millimetres per day, or roughly 2 to 3.47 millimetres per month. However, the growth rate varies from person to person and depends on factors such as age, hand dominance, finger length, season, genetics, overall health, and nutrition. For instance, nails grow faster during the day and in the summertime. The nails on your dominant hand and longer fingers tend to grow faster.
Nail health is closely associated with overall bodily health. For example, nail issues can indicate vitamin deficiencies, chronic conditions, and nutritional intake or poor digestion. Overexposure to water can cause nails to split, peel, or break, so it is important to wear gloves when cleaning or washing dishes and to moisturise afterwards.
- Wash and dry your hands and nails regularly with mild soap to remove dirt and bacteria.
- Use a nail brush to clean your nails and cuticles.
- Apply nail oil or moisturiser to your nails and gently massage it in to prevent dryness and brittle nails.
- Wear gloves when performing tasks that can harm your nails, such as dishwashing, cleaning with harsh chemicals, or gardening.
- File your nails in one direction to avoid creating fragile edges.
- Trim your nails regularly with a good nail clipper, cutting them in a straight line to avoid ingrown nails.
- Avoid biting your nails as it can damage them and the surrounding skin.
- Keep your toenails short to minimise the risk of trauma and injury.
- Consult a doctor if you notice any horizontal lines on your nails or if changes in your nails are accompanied by other symptoms.
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Average nail growth rate
The average rate at which fingernails grow is about a tenth of a millimeter per day, or between 2 and 3.47 millimeters per month. This equates to about 26 centimetres, or 10 inches, per year. However, this rate can vary depending on several factors, including age, genetics, overall health, nutrition, and environmental conditions. For example, nail growth tends to be faster during the summer and slower in colder environments.
The nails on the dominant hand typically grow faster than those on the non-dominant hand, possibly due to increased usage and trauma, which leads to an influx of nutrients to the area, promoting faster growth. Additionally, the growth rate varies depending on the finger, with the little finger's nail growing slower than the others.
Hormone levels also play a role in nail growth. For instance, pregnancy and puberty are associated with rapid nail growth, while lactation and the balancing of hormones with age can slow it down.
While the average growth rate provides a general guideline, individual growth rates can differ significantly. Some people may only need a fill every 5-6 weeks, while others may require one after just 2 weeks.
Toenails grow at a slower rate than fingernails, typically averaging 1.62 mm per month. It takes much longer for a lost toenail to regrow completely, with the process taking up to a year and a half.
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Toenail growth rate
Toenails grow much more slowly than fingernails, at an average rate of 1.62mm per month, or about 0.05mm per day. This is about one-third to half the rate of fingernail growth, which averages 3.47mm per month.
The growth rate of toenails, like fingernails, varies from person to person. Toenails grow more slowly because they are generally subjected to less trauma than fingernails. This means that the burst of circulation that comes with an injury does not occur as often with toenails, and circulation slows with age.
Several factors can affect the rate of toenail growth. These include age, with nail growth slowing by as much as 0.5% per year from age 20 onwards. Toenails grow faster in the summertime, and the dominant hand's nails grow faster, although this does not apply to differences between the right and left toenails.
Health conditions can also affect toenail growth rates. For example, people who are immunocompromised, paralysed, malnourished, have an infection, or are undergoing certain drug therapies may experience slower nail growth. Toenails grow at different rates on different toes, with the great toenail growing faster than the others.
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Frequently asked questions
Nails grow about one-tenth of a millimeter per day or around 2-3 millimeters per month. Therefore, in 2 weeks, nails can grow about 3 to 4.5 millimeters.
The rate of nail growth depends on various factors, including age, health, nutrition, genetics, and hormone levels. Nails on the dominant hand and longer fingers tend to grow faster, and nail growth is typically faster during the summer.
While there is no way to speed up the natural growth of nails, you can prevent damage and maintain their health and strength. This includes moisturizing cuticles, eating a nutritious diet, and taking supplements like biotin.
The frequency of nail maintenance depends on individual growth rates. Some people may need a manicure every two weeks, while others can go up to five or six weeks between appointments.
