Changing the weight unit Press and hold the button at the back of your scale for three seconds. Press the unit button again to change the unit. Check the screen of your scale to see the unit change.The unit is confirmed a few seconds after you stop pressing the button. Related articles My weight data seems inaccurate. What should I do? Changing the weight unit Viewing my measurements Customizing the screens Cleaning my Nokia Body Didn't find what you need? Here's how to get in touch. Contact us Call us Customer Support ID (this number allows secure and easy account verification when communicating with our support team by phone): To view your Customer Support ID, please log in by clicking on 'login' at the top of the page. Hours of Operation: North America: Monday through Friday, 9 am - 10 pm Eastern Time (6 am - 7 pm Pacific Time).If you are unable to reach us by phone, please use the ‘Send us an email’ button to send an email instead.Disclaimer:Free call and assistance. Calls placed from outside of these locations may be subject to long distance fees. All phone calls may be monitored and/or recorded for quality purposes.