Measured Size

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Measured Size on an Android phone

On an Android phone, Measured Size works in the Firefox app. It does not work in Chrome or in your phone's own browser. These steps start by getting Firefox. It is free.

Measured Size is an add-on: a small extra that works inside Firefox. You add it once. Then, on any bra listing, it shows your size in that store's own labels.

Get Firefox

  1. On your phone, open Firefox in the Google Play Store.

    This link opens the Play Store app on Firefox's page, which looks like this. Or open the Play Store yourself and search for Firefox.

    Open Firefox in Google Play

    Google Play's page for Firefox Fast & Private Browser, by Mozilla, with its green "Install" button.

  2. Tap "Install".

    Wait until it has finished.

    Firefox's page in Google Play. The green "Install" button is outlined.

  3. Open Firefox.

    Tap "Open" in the Play Store, or the Firefox icon on your phone. The first time, Firefox shows a few welcome screens: you can skip its questions, "Set as default browser" included.

    The Firefox app icon, a purple and orange globe with a fox, among the phone's apps. It is outlined.

Add Measured Size to Firefox

  1. In Firefox, type addons.mozilla.org/firefox/addon/measured-size in the address bar at the top.

    Type it in Firefox, not in the browser you are reading this in. The button below works only if you are reading this in Firefox.

    Open the Firefox Add-ons page

  2. Tap "Add to Firefox".

  3. Tap "Add".

    Firefox asks this for every add-on, and lists what it may do. Gap's sites and Target load their sizes as the page opens, so Measured Size may look at those pages as they open. Everywhere else it reads a page only when you open it there, and it sends nothing anywhere.

  4. Tap "OK".

    Firefox says "Measured Size was added". The "OK" button is outlined.

See your size on a bra listing

  1. In Firefox, open a bra's own page in a store, like Macy's, Target or a brand's shop.

    A page for one bra, with its sizes, not a page of search results.

    A bra's page at Target in Firefox on a phone.

  2. Tap the menu button, the three dots at the top right.

    The top of Firefox on a phone. The three-dots menu button is outlined.

  3. Tap "Extensions".

    Firefox's menu. The "Extensions" row is outlined.

  4. Tap "Measured Size".

    Its full name there is "Measured Size: your size on this listing".

    The Extensions part of the menu, opened. "Measured Size: your size on this listing" is outlined.

  5. Type your underbust and your bust in their boxes.

    Only the first time. If you measured in centimeters, tap "cm" at the top first. Decimals are fine.

    Measured Size asking for measurements. The Underbust and Bust boxes are outlined.

  6. If you need help measuring, tap "How do I measure?".

    A drawing shows where the tape goes for each one. Tap it again to close it.

    Measured Size with "How do I measure?" open, outlined, and its two drawings: underbust and bust.

  7. Tap "Save measurements".

    If the keyboard covers it, tap your phone's Back button once to put the keyboard away. It says "Measurements saved" for a moment, then shows your size.

    The same form, with 32 and 38 typed in. "Save measurements" is outlined.

  8. Read your size.

    The big size is the one to choose on this listing. The rest of the card is explained on Reading the card. To go back to the bra's page, tap your phone's Back button or the arrow at the top left. This picture and the next two are a bra at Macy's.

    The Measured Size card on the phone, on a bra at Macy's: "Recommended size" 32DDD, "Best Match", "Your size, in stock here", "This size is in stock" and "Show me on the page".

  9. Tap "Show me on the page" to find your size on the store's page.

    The card closes, and Measured Size outlines your size on the page for a few seconds. It never picks a size for you.

    The card. "Show me on the page" is outlined.

  10. Look for the outline around your size on the page.

    The store may cross out a band until you pick the cup: that is the store's own page.

    Macy's band and cup buttons, with band 32 and cup DDD outlined by Measured Size.

  11. If it says "Couldn't read this listing in time", open Measured Size from the menu again.

    This can happen the first time on a page. The second time works.

    Firefox's menu again. The "Extensions" row is outlined.

The size button on Target

On Target's bra pages, a small pink button, "Measured Size: find my size", sits at the bottom of the page. In Firefox, open Measured Size from the menu as above to see your size there.

  1. Find the pink "Measured Size: find my size" button at the bottom of the page.

    A bra's page at Target in Firefox. The pink "Measured Size: find my size" button is outlined.

  2. To hide it, untick "Size pill on bra listings" under "More" on the card.

    That is the size button's switch. Tick it again to bring it back.

    The card with More open. "Size pill on bra listings", ticked, is outlined.

Dark mode and larger text

  1. Use dark mode or larger text if you like.

    Measured Size follows your phone's own settings. Change them in your phone's Settings app, under "Display".

    The Measured Size card in dark mode on the phone: "Recommended size" 32DDD and "Best Match" on a dark background.

Next time, on any bra listing in Firefox: the three dots, then "Extensions", then Measured Size.

Stuck? See Something's not working, or write to support@measuredsize.com.

Other guides: Chrome · Firefox · iPhone · iPad · Android phone · Something's not working · Reading the card