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Body Fat & BMI Calculating Smart Scale

Body Fat & BMI Calculating Smart Scale

A smart bathroom scale that shows your weight and works out your BMI and an estimate of your body fat every time you step on. Readings appear on a bright backlit screen and sync to the app over Bluetooth, so you can follow your trends over time.

£36.00 £46.80 You save £10.80

Tax included.

  • Weight, BMI and body fat estimate from one weigh-in
  • Bright HD LCD with blue backlight, easy to read in low light
  • Bluetooth sync to the app for history and trends
  • Anti-slip tempered glass platform on an ABS frame

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Free UK delivery on every order.

In stock. Order today, shipment before 14/11/2026.

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Overview

This smart scale turns a quick weigh-in into a clear snapshot. Step on barefoot, and it measures your weight, calculates your BMI and gives an estimate of your body fat using bioelectrical impedance. The results show on the bright display and sync to the app on your phone.

In the app, your readings are saved as a history, so you can see trends over weeks and months instead of worrying about one number on one morning. It's a simple way to stay aware of your progress alongside your everyday habits.

  • Measures weight and calculates BMI and body fat estimates
  • HD LCD display with blue backlight
  • Bluetooth sync with a companion app, set up by QR code
  • Anti-slip tempered glass platform and ABS frame
  • Also shows temperature and battery status
Specifications
Type
Smart body scale
Readings
Weight, BMI, body fat estimate
Frame
ABS plastic
Platform
Anti-slip tempered glass
Display
HD LCD with blue backlight
Additional functions
Temperature, battery display, Bluetooth
App
Companion app, set up via QR code
Power
Batteries
Body Fat & BMI Calculating Smart Scale
How to use
  1. 1
    Insert the batteries and place the scale on a hard, flat floor rather than carpet.
  2. 2
    Scan the QR code to get the app, then turn on Bluetooth on your phone.
  3. 3
    Create your profile in the app and enter your details, such as your height, so BMI can be calculated.
  4. 4
    Step on barefoot with dry feet, stand still, and keep your weight even on both feet.
  5. 5
    Read your result on the screen. It will sync to the app when your phone is connected.
Safety & use

BMI and body fat figures are estimates to help you follow trends. They aren't a medical measurement and can't tell you about your health on their own.

  • Body fat readings pass a very small electrical signal through your body. If you have a pacemaker or any other implanted electronic medical device, don't use this scale unless your GP or device clinic has told you it's suitable.
  • If you're pregnant, check with your GP or midwife before using it, as body fat estimates aren't designed for pregnancy.
  • Body fat estimates can change with hydration, meals, exercise and time of day. Weigh in at the same time each day for the most consistent trend.
  • Step on with dry feet. Glass can be slippery when wet.
  • Place the scale on a hard, level floor and don't stand on the edge.
  • Speak to your GP if your weight changes without an obvious reason, or before starting a big change to your diet or exercise.
  • Remove the batteries if you won't use the scale for a long time.
Delivery & returns

Every order is packed within 1–2 working days and sent with a tracking number, so you can follow it all the way to your door. Delivery is free on every UK order.

30-day money-back guarantee: if you're not happy with your order, contact us within 30 days of purchase and we'll arrange a refund. See our refund policy for details.

Free UK delivery on every order
Syncs to your phone
30-day money back
Replies within 24 hours
Weight, BMI and body fat in one step
Fit balance

Weight, BMI and body fat in one step

Step on and the scale does the rest. In a few seconds, it measures your weight and calculates your BMI and an estimate of your body fat, then sends the results to the app on your phone.

Seeing those numbers together, and how they move over time, gives you a fuller picture than weight alone. It's a calm, simple way to keep an eye on your goals day after day.

  • All in oneWeight, BMI and body fat estimate from a single weigh-in.
  • AutomaticStep on and it measures, no buttons to press.
  • Trends, not just numbersYour history builds up in the app.
What it shows

Your readings at a glance

Here's what the scale measures, calculates and displays each time you use it.

Weight

Measured every time you step on, shown clearly on the screen.

BMI

Calculated from your weight and the height in your app profile.

Body fat

An estimate based on bioelectrical impedance, read through bare feet.

History

Your readings are stored in the app so you can follow trends.

Temperature

The display can also show the temperature.

Battery status

A battery display lets you know when it's time for new batteries.

Clear digits, even in the dark
Bright screen

Clear digits, even in the dark

Early mornings and late evenings don't have to mean squinting. The HD LCD display has a blue backlight, so the large, sharp digits are easy to read in low light.

You'll see your result at a glance before stepping off, and the full details are waiting in the app.

  • HD displayLarge, sharp, easy-to-read digits.
  • Blue backlightReadable at night or in a dim bathroom.
  • Quick readoutA clear result at a glance.
A strong, steady platform underfoot
Tempered glass

A strong, steady platform underfoot

The platform is made from anti-slip tempered glass on an ABS plastic frame. It's built for everyday use and designed to feel stable and reliable when you step on.

The smooth glass surface is also easy to wipe clean, so it looks neat in your bathroom or bedroom.

  • Tempered glassBuilt to handle everyday knocks.
  • Anti-slip surfaceHelps you feel steady as you step on.
  • Stable platformReliable underfoot, morning after morning.
Your history, synced to your phone
Smart connection

Your history, synced to your phone

Pair the scale with the app over Bluetooth and your measurements sync automatically. No notebook, no spreadsheet, just your progress saved and ready to view whenever you like.

The app shows how your readings change over time, which makes it easier to set realistic goals and notice what's working for you.

  • BluetoothPairs with your phone in a few steps.
  • Auto syncReadings are saved in the app as you weigh in.
  • History and trendsSee your progress over weeks and months.
  • Easy setupGet the app by scanning a QR code.
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Good to know

Readings are estimates

BMI is a simple calculation from weight and height. It doesn't tell muscle from fat, so it can look high for people with more muscle. Body fat is estimated by sending a tiny, painless signal through your bare feet, and it can shift with how much you've drunk, eaten or exercised. Weigh in at the same time each day, follow the trend rather than a single reading, and speak to your GP if you have any concerns about your weight or health.

Getting started

Set up in a few minutes

Batteries in, app on, then a simple step-on weigh-in.

  1. 1
    Add batteriesInsert the batteries and place the scale on a hard, flat floor.
  2. 2
    Get the appScan the QR code to download the app and switch on Bluetooth.
  3. 3
    Create your profileEnter your details, such as height, so BMI can be calculated.
  4. 4
    Step on barefootStand still with dry, bare feet so the body fat estimate can be read.
  5. 5
    Check your trendSee your result on screen, then view your history in the app.

Good to know: If you have a pacemaker or other implanted device, or you're pregnant, check with your GP before using the scale.

How it compares

Smart scale vs a basic scale

How a connected body composition scale differs from a standard bathroom scale and an occasional check at the gym.

FeatureSmart scaleBasic digital scaleGym check-in
Weight
BMI worked out for youVaries
Body fat estimateVaries
History saved in an appVaries
Every day at home

General comparison of product types, not of specific brands.

Is it right for you?

Who it's made for

Made for

  • Anyone who wants to follow their weight trend over time
  • People working towards fitness or wellbeing goals
  • Households who like to keep readings in an app
  • Early risers who want a screen that's easy to read

Ask your GP first if

  • You have a pacemaker or another implanted electronic device
  • You're pregnant
  • You need a medical measurement: speak to your GP instead
  • You're concerned about unexplained weight changes: see your GP
The details
Specifications

The details

Use the scale on a hard, level floor and step on barefoot for body fat estimates.

Readings
Weight, BMI, body fat estimate
Display
HD LCD, blue backlight
Platform
Anti-slip tempered glass
Frame
ABS plastic
Connectivity
Bluetooth with app
Extras
Temperature and battery display
Power
Batteries
Reviews

What customers say

Reviews from Kiss Proof customers, collected by Loox after delivery.

30-day money-back guarantee

Try it for 30 days, risk-free

If it isn't right for you, let us know within 30 days of purchase and we'll take care of it.

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FAQ

Questions, answered

What does the scale measure?
It measures your weight and calculates your BMI and an estimate of your body fat using bioelectrical impedance. The results show on the display and are saved in the app, so you can follow them over time.
Do I need to be barefoot?
Yes, for body fat estimates. Your bare feet need to touch the platform so the scale can take that reading. With socks on, the reading may be less accurate or some figures may not appear. Your weight will still be measured.
How accurate are the body fat and BMI readings?
They're estimates. BMI doesn't tell muscle from fat, and body fat estimates can change with hydration, meals, exercise and time of day. For the most useful picture, weigh in at the same time each day and focus on the trend rather than any single reading.
Can I use it if I have a pacemaker or I'm pregnant?
Body fat readings send a very small electrical signal through your body. If you have a pacemaker or other implanted electronic device, don't use the scale unless your GP or device clinic says it's suitable. If you're pregnant, check with your GP or midwife first, as body fat estimates aren't designed for pregnancy.
Does it work with iPhone and Android?
The companion app is designed for iOS and Android phones and connects over Bluetooth. Make sure Bluetooth is turned on and your phone is running a reasonably recent version of its operating system.
How do I set it up?
Insert the batteries, scan the QR code to get the app, turn on Bluetooth and create your profile. Then step on barefoot and your first reading will appear on the screen and sync to the app.
Can more than one person use it?
Multi-user support depends on the companion app, so check the app's profile settings when you set it up. Where separate profiles are available, each person's readings and history stay organised in their own profile.
Are my measurements saved?
Yes, the app keeps a history of your readings so you can see trends. Depending on the app settings, your data may also be backed up so you can restore it if you change phones.
Can I read the display at night?
Yes. The HD LCD display has a blue backlight, so the digits are clear and easy to read in a dim bathroom or early in the morning.
Where should I put the scale?
Place it on a hard, flat floor such as tiles or wood. Carpet and uneven floors can affect readings. Step on with dry feet, because the glass platform can be slippery when wet.

Still have a question? Email support@kissproof.co.uk or call +44 20 3376 2450.

Follow your progress, one weigh-in at a time

The smart body composition scale.Now £36.00.

Add to my bag Free UK delivery · 30-day money-back guarantee · Buy 2, save 15%

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