Notification

For assistance with Fitbit Ace LTE, visit support.google.com/fitbitacelte.

How do I set up my Fitbit device?

Use your iPhone or Android phone to set up your Fitbit device. To verify that your phone is compatible with the Fitbit app, check out Fitbit-compatible devices.

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Watches and trackers

Fitbit watches and trackers

Add or replace a Fitbit device on an existing account

Note: If you own an iPhone and want to replace the Fitbit device currently paired to your account, remove your old device from the list of connected Bluetooth devices in your phone's Settings app. After that, follow the steps below.
  1. From the Today tab in the Fitbit app on your phone, tap the devices icon .
  2. Tap Add more devices.
  3. Choose your device and follow the on-screen instructions to continue.

If you encounter issues with your Fitbit device setup, refer to Why can't I set up my Fitbit device?

Set up a Fitbit device on a new account

Note: When you connect certain Fitbit devices to an Android phone, a notification on your phone appears to begin the setup process. Tap the notification and follow the on-screen instructions to set up your device. If you don't have the Fitbit app, the notification takes you to the Google Play Store to download the app.
  1. Connect your Fitbit device to the charger before you begin the setup process.
  2. Download and install the Fitbit app from one of the locations below:
  3. Open the Fitbit app and tap Sign in with Google.
  4. Choose a Google Account. If you don't have a Google Account, tap Sign in Create account.
  5. Follow the on-screen instructions to create an account and connect ("pair") your Fitbit device to your phone. This ensures your Fitbit device and phone can communicate with one another (sync their data).

To complete the creation of your Fitbit account, enter your height, weight, and sex to calculate your stride length and to estimate distance, basal metabolic rate, and calorie burn. For details, check How does my Fitbit device calculate my daily activity?

Important: To personalize your Fitbit profile and control the information you share with your friends, visit How do I manage my Fitbit profile?
Note: For Charge 5, your phone might share your location with your tracker to reduce the time it takes for the built-in GPS sensors to connect to GPS satellites for the first time. Make sure the location permission for the Fitbit app is allowed. For instructions, go to the Apple help article or the Google (Android) help article.
Fitbit Ace

The following instructions are only for Ace, Ace 2, and Ace 3. For assistance with Fitbit Ace LTE, visit Fitbit Ace LTE Help Center.

If you already use the Family option in the Fitbit app, refer to How do I set up Fitbit Ace devices?

Note: For the best experience, your child should have their own phone or tablet to set up an Ace device. If you have an iPhone or iPad, you can use your phone or tablet to set up your child’s device.
  1. Connect your child's Ace device to the charger before you begin the setup process.
  2. Download and install the Fitbit app from one of the locations below:
  3. Tap Sign in with Google. Your child signs in with their Google Account. If your child doesn't have a Google Account, tap Sign in Create your account For my child, and follow the on-screen instructions.
  4. When prompted, review the information about managing a child account.
  5. Tap Agree and continue, and enter the password for your Google Account.
  6. Add a Fitbit profile for your child.
  7. Tap Next.Your child can log in to their Fitbit profile.
  8. Tap Add device, and follow the on-screen instructions to pair Ace to the account.

For more information on Google Accounts for children, go to the Google for Families help article.

Google Pixel Watch
  1. Connect Google Pixel Watch to the charger before you begin the setup process.
  2. Press the crown of your Google Pixel Watch for 3 seconds to turn it on.
  3. Place your watch near a compatible Android phone with Bluetooth on. A notification appears on your phone to begin the setup process. Install the Google Pixel Watch app , and follow the on-screen instructions to connect your watch to your Google Account. For more information or troubleshooting tips, go to Set up Google Pixel Watch.
  4. After you set up your watch, connect your account.

I need to create an account

  1. Download the Fitbit app on your phone.
  2. Open the Fitbit app, tap Sign in with Google.
  3. Choose a Google Account. If you don't have a Google Account, tap Sign in Create account.
  4. Follow the on-screen instructions to create an account and connect your watch.

I have an account

  1. Open the Fitbit app on your phone and sign in. If prompted, follow the instructions to move Fitbit to your Google Account.
  2. From the Today tab , tap the devices icon Add device or Add more devices.
  3. Tap Google Pixel Watch in the list of devices, and follow the on-screen instructions to connect your watch to your account.

If you have issues with your watch and Fitbit account setup, make sure the Fitbit app on your watch is updated. After you update, try to connect your watch again:

  1. Press the crown, swipe up to the Play Store app tap the app to open it.
  2. Swipe up and tap Manage apps Update all.

If you’re still unable to connect your watch, follow these steps:

  1. Press the crown, swipe up to the Fitbit Today app tap the app to open it.
  2. Swipe to the bottom tap Log In.
  3. If prompted, download and install the Fitbit app on your phone.
    • If you already have an account, sign in. If prompted, follow the on-screen instructions to move Fitbit to your Google Account.
    • If you don't have a Fitbit account, tap Sign in with Google follow the on-screen instructions.
  4. From the Today tab tap the devices icon Add device or Add more devices.
  5. Tap Google Pixel Watch in the list of devices, and follow the on-screen instructions to connect your watch to your account.
Note: To create an account for Fitbit, you're prompted to enter your height, weight, and sex to calculate your stride length and to estimate distance, basal metabolic rate, and calorie burn. For more information, go to How does my Fitbit device calculate my daily activity?
Using multiple Fitbit devices on one account
Important: You can't connect multiple devices that use the Fitbit Gallery to one account. For Fitbit Charge series, Fitbit Inspire series, Fitbit Luxe, Fitbit Sense series, Fitbit Versa series, and Google Pixel Watch series, only connect one of these devices to your account at a time.

If you connect more than one Fitbit device to the same account, note the following:

  • If you forget to remove one Fitbit device before you put on another, the overlap of data is reconciled to provide the most accurate information possible. For best results, don't wear more than one device at a time and sync each device before you remove it and wear another.
  • Only one person can use a Fitbit account. When you create an account, you provide personal information, such as height and weight, to calculate certain data.
  • If you have more than one Fitbit device that receives notifications from your phone, notifications might appear on one or more of your Fitbit devices.
  • A Fitbit device can only pair with one phone. If you have multiple phones, you receive notifications only from the phone connected to your Fitbit device.

Scales 

Important: If you're unsure which scale you own, turn the scale over and remove the battery cover to check how many batteries it contains:

  • Aria uses 4 AA batteries
  • Aria 2 uses 3 AA batteries and has “Aria 2” written on the back of the scale
  • Aria Air uses 3 AAA batteries.
For more information about how to use your scale, go to How do I use my Fitbit scale?
Aria

What router settings do I need to set up and sync Aria?

Aria connects to your wireless home network and works with any Wi-Fi router that uses the following standards:

  • 802.11b frequency setting
  • WEP / WPA / WPA2 personal security
  • Automatic (DHCP) IP setup (static IP configurations aren't supported)

Your SSID and password should contain only alphanumeric characters (e.g. A-Z, 0-9). If you experience issues with a network that uses special characters, change the name of the network to only use alphanumeric characters, and try to connect again.

Can I use a mobile Wi-Fi hotspot to set up Aria?

A mobile Wi-Fi hotspot should only be used if a wireless router is unavailable. Consider the following information when you set up your scale through a hotspot:

  • Connecting Aria to a mobile Wi-Fi hotspot requires that the mobile device be persistently in this mode. The device’s battery may drain quickly.
  • To complete the setup process with a mobile Wi-Fi hotspot, you need a second wireless device to connect to the hotspot. For example, if you use an iPhone as a hotspot, you need either another mobile device or a computer to proceed through either of the set up methods explained in How do I set up Aria?
  • Your hotspot needs to be configured similar to the same specifications as a wireless router. For the specs, go to What router settings do I need to set up and sync Aria?

How do I set up Aria?

To set up your scale through the web-based method, you need a Wi-Fi enabled computer, phone, or tablet. Make sure you know your Wi-Fi password and that it doesn't exceed 31 characters.

Note: If you want to set up your Aria again after you make changes to your network, go to How do I use my Fitbit scale?

To set up your Aria scale:

  1. Restart the computer, phone, or tablet that you want to use to set up your scale.
  2. Make sure your browser allows cookies.
  3. If you use a computer:
    1. Place your scale within 10 feet of your router.
    2. Ensure that your router is compatible with the 802.11b protocol. For more information, go to What router settings do I need to set up and sync Aria?
    3. If the router is connected to your computer with an Ethernet cable, unplug it. The router and computer must be connected over Wi-Fi.
  4. Open a web browser on your computer, phone, or tablet and go to Fitbit scale setup.
  5. Tap Get started, then tap it again when you find the pop-up message.
  6. Sign in to your fitbit.com account.
  7. Personalize your Aria with a name and the initials you'd like the scale to display when it recognizes you.
  8. Remove a battery from your Aria scale and reinsert it after 10 seconds to put the scale into setup mode. Tap Continue when the scale's display says "SETUP ACTIVE."
  9. Switch your computer, phone, or tablet to the scale's Wi-Fi network (this will appear as the word "Aria" followed by 6 characters).
  10. Return to your web browser and tap I'm Connected. You'll find a list of available wireless networks.
  11. Tap the name of your home wireless network. If you can't find your home wireless network, tap Refresh Networks to scan again. If you still can't find your network, tap Join Other Network to enter your network name and password manually.
  12. Enter your network password. Remember that it's case-sensitive.
  13. Tap Submit, and then immediately check your scale's screen as it attempts to connect to your network.
    • If you find a check mark or a smiley face, Aria is connected and you can stand on the scale to complete a weigh-in.
    • If you find an error message, go to How do I use my Fitbit scale?
Aria 2
To set up your Fitbit Aria 2, create an account and connect your scale through the Fitbit app on your phone.
Important: If you already have a Fitbit account and the Fitbit app, skip to How do I add a scale to my existing account?

Router settings

Aria 2 connects to your wireless home network and works with any Wi-Fi router that uses the following standards:

  • 802.11b/g/n frequency setting
  • WEP / WPA / WPA2 personal security
  • Automatic (DHCP) IP setup (static IP configurations aren't supported)
  • Both the network name and password must be no more than 32 characters long

We don't recommend a mobile Wi-Fi hotspot to set up Aria 2, as it may slow down the sync process and prevent an update. The use of a mobile Wi-Fi hotspot requires the device to remain persistently in this mode, which may drain the battery quickly and use excessive data.

Set up Fitbit Aria 2 on a new account

Note: If you want to set up your Aria 2 again after you make changes to your network, go to How do I use my Fitbit scale?
  1. Make sure the Fitbit app is compatible with your device. To check, visit Fitbit-compatible devices.
  2. Download and install the Fitbit app from one of the following locations:
  3. Open the Fitbit app and tap Sign in with Google.
  4. Choose a Google Account. If you don't have a Google Account, tap Sign in Create account.
  5. Follow the on-screen instructions to create a Fitbit account and connect your scale to the internet. You must know your wireless network password, and the scale must be within range of the network. If you find an error message, go to How do I use my Fitbit scale?

Note that the personal information you provide to set up your account is used to calculate your basal metabolic rate (BMR), which helps determine your estimated calorie expenditure and your body mass index (BMI). For more information, go to How does my Fitbit device calculate my daily activity?

If you have trouble setting up Aria 2, briefly press the button in the battery compartment to restart your scale and return to the start of the setup process. If you still can't set up your Aria 2 upon completion of all the steps above, contact Customer Support.

Add Aria 2 to an existing account

  1. In your Fitbit app's Today tab , tap the devices icon .
  2. Tap Add more devices.
  3. Choose your device.
  4. Follow the on-screen instructions to create a Fitbit account and connect your scale to the internet. You must know your wireless network password, and the scale must be within range of the network.

If you have trouble setting up Aria 2, briefly press the button in the battery compartment to restart your scale and begin the setup process again.

Personalized icon on Aria 2

When you set up your scale, you're asked to choose a personalized icon. This icon appears on the scale whenever you complete a weigh-in. After you weigh yourself, you can check your icon on the screen to confirm if the weigh-in is assigned to the correct person. Refer to the table for a complete list of the available icons.

 

Apple

 

Bird

 

Butterfly

 

Camera

 

Cat

 

Coffee mug

 

Diamond

 

Bear

 

Rocket ship

 

Sailboat

 

Submarine

 

Sun

 

Dog

 

Flower

 

Fish

 

Whale
Aria Air
Set up Fitbit Aria Air with the Fitbit app on your phone.

Set up Aria Air on a new account

  1. Download the Fitbit app:
  2. Install the app, then open it.
    • If you already have a Fitbit account, log in to your account tap the devices icon Add more devices.
    • If you don't have a Fitbit account, tap Sign in with Google and choose a Google Account. If you don't have a Google Account, tap Sign in Create account and follow the on-screen instructions to create a Google account and sign in to the Fitbit app.
  3. Continue to follow the on-screen instructions to connect Aria Air to your account.

Add Aria Air to an existing account

  1. From the Today tab in the Fitbit app, tap the devices icon .
  2. Tap Set Up a Device.
  3. Choose Aria Air and follow the on-screen instructions.

Turn on Aria Air

On the back of your scale, find the battery compartment and pull out the plastic tab. This should turn your scale on.

Back of the scale with an arrow demonstrating how to pull the plastic tab to the right

Remove a Fitbit device from an account 

When you remove a Fitbit device from your account, any data you haven't synced is deleted. For more information about syncing, go to How do Fitbit devices sync their data?

If you're giving your Fitbit device to someone else, erase your data before removing the device from your account. For instructions, go to How do I erase my Fitbit device?

Fitbit app
  1. From the Today tab , tap the devices icon .
  2. Tap the device you want to remove.
  3. Tap the option to remove the device (on Android phones, tap the trash icon).
  4. Follow the on-screen instructions to remove the device from your account.

Note: If you use an iPhone and want to remove a Fitbit Aria scale from your account, you must first remove yourself as a user of the scale. For instructions on how to remove a user from a scale, go to How do I use my Fitbit scale?

fitbit.com
  1. On the Fitbit settings page, click your device in the Devices section.
  2. At the bottom of the page, click the option to remove the device.
  3. Follow the on-screen instructions to remove the device from your account.

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