Find Your Apple Watch Size (2024)

It is important to know your Apple WatchCase Sizeto ensure that your new band is a proper fit for your Apple Watch. Luckily, this is an easy process that can be done a couple of ways.

Method 1: Watch App on iPhone

Start by opening the "Watch" app on your iPhone

Find Your Apple Watch Size (1)

Select "All Watches" on the top left of your screen once in the app:

Find Your Apple Watch Size (2)

You can then verify the case / watch size of your Apple Watch:

Find Your Apple Watch Size (3)

Method 2: Back of Apple Watch

Case size is engraved on the back of every Apple Watch.

Placing Your Order

When placing your order, select the proper size from the drop down menu:

Find Your Apple Watch Size (4)

You would select "38mm, 40mm or 41mm" if your Apple Watch is:

  • 38mm Apple Watch Series 1, 2, or 3
  • 40mm Apple Watch Series 4, 5, SE or 6
  • 41mm Apple Watch Series 7

And select "42mm, 44mm or 45mm" if your Apple Watch is:

  • 42mm Apple Watch Series 1, 2, or 3
  • 44mm Apple Watch Series 4, 5, SE or 6
  • 45mm Apple Watch Series 7
Find Your Apple Watch Size (2024)

FAQs

Find Your Apple Watch Size? ›

Case size is engraved on the back of every Apple Watch. When placing your order, select the proper size from the drop down menu: You would select "38mm, 40mm or 41mm" if your Apple Watch is: 38mm Apple Watch Series 1, 2, or 3.

How do I find out my Apple Watch size? ›

While the case size is engraved on the back of every Apple Watch, it is small and difficult to read. From there, you can verify the case/watch size of your Apple Watch. Select "41mm / 40mm / 38mm" if your Apple Watch is: 41mm Apple Watch Series 7, 8, 9.

What size Apple Watch band do I have? ›

Band SizeSuitable Wrist Circumference
16mmUp to 135mm to 145mm
18mmUp to 145mm to 155mm
19mmUp to 155mm to 165mm
21mmUp to 175mm to 185mm
2 more rows
Sep 20, 2023

Does a 41mm band fit a 40mm Apple Watch? ›

Bands for 38mm, 40mm, and 41mm cases are compatible with each other, and bands for 42mm, 44mm, and 45mm cases are compatible with each other. Bands for 49mm cases are compatible with 44mm and 45mm cases. Bands for 44mm or 45mm cases are compatible with 49mm cases.

How do I know the size of my watch? ›

To find the case size you need to measure the diameter in mm from the outer edges at the widest point of the watch, not including the crown.

What are the Apple Watch face sizes? ›

Overview
DevicesScreen Sizes
Apple Watch Series 1, 2, and 338 mm and 42 mm
Apple Watch Series 4, 5, and 640 mm and 44 mm
Apple Watch Series 741 mm and 45 mm

Does size matter for Apple Watch bands? ›

Individuals can have larger or smaller wrists and may find the regular fit uncomfortable. The 44mm Apple Watch on a small wrist can look and feel just as good as other sizes if you pick the right band. That's why it's important to measure the Apple Watch band length and find your perfect size.

How do I calculate on Apple Watch? ›

In the Calculator app , you can perform basic arithmetic calculations. You can also quickly calculate a tip and split the check. Siri: Say something like: “What's 73 times 9?” or “What's 18 percent of 225?”

How do I fit my Apple Watch? ›

Wearing your Apple Watch with the right fit — not too tight, not too loose, and with room for your skin to breathe — keeps you comfortable and lets the sensors do their jobs. You might want to tighten your Apple Watch band for workouts, then loosen it a bit when you're finished.

Can Apple Watch tell you how fit you are? ›

Your Apple Watch gives you a cardio fitness estimate by measuring how hard your heart is working during an Outdoor Walk, Outdoor Run or Hiking workout in the Workout app. If your cardio fitness levels are low for your age and sex, you'll receive a notification.

How can I tell what size my Apple Watch is? ›

Case size is engraved on the back of every Apple Watch. When placing your order, select the proper size from the drop down menu: You would select "38mm, 40mm or 41mm" if your Apple Watch is: 38mm Apple Watch Series 1, 2, or 3.

What size Apple band do I need? ›

Apple Watch Sport Bands come in two sizes: S/M and M/L. The S/M size fits wrists that measure 130mm to 180mm, while the M/L size fits wrists that measure 150mm to 200mm. If you have a larger wrist, you may consider the Nike Sport Band, which comes in an XL size that fits wrists up to 245mm.

Do all Apple Watch bands fit each series? ›

Most bands designed for Apple Watch Series 4, Apple Watch Series 5, Apple Watch SE, Apple Watch Series 6, Apple Watch Series 7, Apple Watch SE (2nd Generation), Apple Watch Series 8, and Apple Watch Series 9 are compatible with any previous version of Apple Watch.

What size is the Apple Watch SE screen? ›

The screen size is 1.533” (39 mm) diagonal with a resolution of 324 x 394 px at 326 ppi. The Apple Watch SE is a 6th-generation smartwatch developed and produced by Apple, Inc. The Apple Watch SE was announced on September 15, 2020 and was released to the public on September 18, 2020.

How do I change the size of my Apple Watch? ›

Apple Watch - Adjust Display Settings
  1. From the Watch face screen, press the. Digital Crown. ...
  2. Settings icon. .
  3. Display & Brightness.
  4. Tap the Brightness controls to adjust, then turn the digital crown.
  5. Text Size. then turn the digital crown to increase or decrease.
  6. Back. ...
  7. Bold text switch.

What size is the Apple Watch 9? ›

Shown here in stainless steel in gold with a purple Sport Band, Apple Watch Series 9 is available in 41mm and 45mm sizes. Shown here in stainless steel in graphite with a green FineWoven Magnetic Link, Apple Watch Series 9 is available in 41mm and 45mm sizes.

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