Here's a bit more detail:
* Fingernails vs. Toenails: Fingernails grow much faster than toenails. Toenails grow at about 1 mm per month.
* Variation: Growth rates can vary significantly from person to person and even from nail to nail on the same person.
* Factors affecting nail growth:
* Age: Nails grow faster in younger people.
* Gender: Nails grow faster in men than in women (except during pregnancy, when women's nail growth can accelerate).
* Time of year: Nails tend to grow faster in the summer.
* Dominant hand: Nails on the dominant hand tend to grow faster.
* Trauma: Injury to the nail matrix (where the nail grows from) can affect growth.
* Nutrition: Adequate nutrition is important for healthy nail growth.
* Medical conditions: Some medical conditions can affect nail growth.
Therefore, a complete regrowth of a fingernail can take approximately 4-6 months, while toenails can take 12-18 months.