Uv index how long will it take to tan

UVC - the shortest waves wavelength — nm - luckily, they are absorbed in the atmosphere. The phototypes are described by the Fitzpatrick scale : type I - very pale skin , doesn't tan, always burns type II - fair skin , tans a little, burns easily type III - medium skin , tans easily after an initial burn type IV - light brown skin , tans very easily, burns minimally type V - dark brown skin , tans darkly, burns very rarely type VI - black skin , always darkens, never burns Remember that babies' and children's skin is always more sensitive, so if you're using our sunscreen calculator to estimate safe outside time for a child, set their skin type to a lower number.

Using the Sunbathing Calculator Before you hit the beach, make sure you know how long you can safely stay in the sun. Input the sunlight intensity - choose one of the options in the first list or enter the exact UV Index value in the advanced mode. Choose your skin phototype.

Enter the SPF of the sunblock you're going to use. If you don't care about protection, leave 1 in this field. Reverse calculation - what SPF to use? Sunlight intensity. Are you on water or snow? SPF of the cream. Maximum time outside. Remember to reapply sunscreen every two hours for optimal protection. Make sure to check how much sunscreen to take with you on vacation , too! Advanced mode. Check out similar other uncategorized calculators. People also viewed…. Books vs e-Books The books vs e-books calculator answers the question: how ecological is your e-book reader?

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How long does it take to tan? What factors affect how long it takes to tan? Melanin Melanin is the primary pigment that determines skin tone. Where you live High altitudes and tropical climates tend to have the highest UV index which means the sunlight is the most intense.

How long will it take to tan in the sun? How long will it take to tan in a tanning bed? Tips to safely tan faster To tan faster and safely definitely reapply SPF 50 every 40 minutes or as directed on the bottle. Free - In Google Play. Your session has timed out. Please log in again. Don't have a GB account? Register here. It's free and easy. It might be all fun and games if they have one of the best water tables to play at, but safety should always come first!

Tanning — getting that beautiful brown shade that so many people love — actually represents skin damage. When you expose your skin to UV radiation by sitting out in the sun, your body starts producing melanin, trying to stop further skin damage. Even though most people do know that tanning is not healthy, they still prefer to take the risk which is, in most cases, minimal if done correctly for that beautiful, sun-kissed color.

In order to keep these risks as low as possible, you should know that some UV index values are safer for tanning than others. The best UV index for healthy tanning is anything between After this, you risk overexposure and getting your skin burned.

Some people, depending on their genes, will get sunburn faster 45 minutes or less even on a lower UV index, while others can safely spend some more time under the sun. So take the 60 minutes as an average, not a rule. You can, but this happens much faster.

For example, spending some 15 minutes under the sun when the UV index is between will result in a tan while 30 minutes are enough for you to get sunburn , while an UV index of will get you tanned and sunburned faster.

In all cases, you should wear extra protection a hat, sunglasses and high SPF sunblock.