Is The Fitbit Charge 4 Waterproof?

The Fitbit Charge 4 is a great health and fitness tracker that has received many positive reviews throughout the years, but Is The Fitbit Charge 4 Waterproof?

Well, the answer may disappoint you!

Is The Fitbit Charge 4 Waterproof?

No, the Fitbit Charge 4 is not waterproof. In fact, no electronic device can ever be advertised as waterproof, as it would entail resisting any type of water ingress. The Fitbit Charge 4 is water resistant up to 50M. Fitbit still recommends users dry the device straight after swimming or showering.

Fitbit Charge 4 Open Water Swimming

Open water swimming is a discipline that takes place in open oceans, lakes, and rivers.

Charge 4 is a fitness tracker that is water resistant up to 50M. This means that the tracker can be worn when doing open water swimming.

However, keep in mind that there are certain bands materials that are not made for swimming, for example you should avoid wearing the woven band if you are planning on getting your Fitbit Charge 4 wet.

Despite the device being water resistant, Fitbit recommend users to dry the band straight after wearing the tracker while swimming or showering.

They also recommend not to wear the Fitbit Charge 4 in a hot tub or sauna.

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Can I Shower With My Fitbit Charge 4?

Yes, as mentioned above, the device is water resistant up to 50M, so wearing this health and fitness tracker while taking a shower is perfectly fine.

Can I Swim In Deep Water With My Fitbit Device?

The tracker is only water resistant to up to 50M

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Is The Fitbit Charge 4 Waterproof or Water Resistant?

It is actually against international laws to use the word waterproof with any electronic or mechanical device. The correct term is “water resistant”. 

When something is said to be waterproof, it means that it will be able to cope with any type of water ingress, even beyond 50M. A watch or any other electronic device can never be advertised as waterproof.

So yes, the Fitbit Charge 4 is water resistant, not waterproof. But you won’t find any waterproof fitness trackers out there.

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Water Resistance Rating

Water resistance ratingSuitabilityRemarks
Water Resistant 3 atm or 30 mSuitable for everyday use. Splash/rain resistant.Not suitable for showering, bathing, swimming, snorkeling, water-related work, fishing, and diving.
Water Resistant 5 atm or 50 mSuitable for everyday use, showering, bathing, shallow-water swimming, snorkeling, water related work, fishing. Splash/rain resistant.Not suitable for diving.
Water Resistant 10 atm or 100 mSuitable for recreational surfing, swimming, snorkeling, sailing and water sports.Not suitable for diving.
Water Resistant 20 atm or 200 mSuitable for professional marine activity, serious surface water sports and skin diving.Suitable for skin diving.
Diver’s 100 mMinimum ISO standard (ISO 6425) for scuba diving at depths not suitable for saturation diving.Diver’s 100 m and 150 m watches are generally old(er) watches.
Diver’s 200 m or 300 mSuitable for scuba diving at depths not suitable for saturation diving.Typical ratings for contemporary diver’s watches.
Diver’s 300+ m for mixed-gas divingSuitable for saturation diving (helium enriched environment).Watches designed for mixed-gas diving will have the DIVER’S WATCH xxx M FOR MIXED-GAS DIVING additional marking to point this out.
Above table taken from


How Long Can The Fitbit Charge 4 Be In Water?

On average, users have reported that the Fitbit Charge 4 can be in the water for about 20-40 minutes. Please remember that the deeper you swim, the higher the water pressure will be, meaning that you should expose your Fitbit Charge 4 to water for even less time.

Can Fitbit Charge 4 Go In Salt Water?

Yes, the Fitbit Charge 4 can go in salt water. However, you should not expose it to salt water for long periods of time or dive in salt water with it. Make sure to rinse off your Fitbit Charge 4 with fresh, non-salt water as soon as possible after swimming in salt water. Note that the band may turn a bit white due to salt.

What Does Water-resistant To 50 Meters Mean?

It is part of ISO testing procedures which doesn’t involve diving 50 meters below the surface. It involves an hour-long immersion in 10 centimeters of water and a pressure test in a lab that is equivalent to static water pressure. Atmosphere (ATM), which is equivalent to 10 meters of static water pressure, is the accepted unit of measurement.