Some people weigh themselves everyday, others swear they never look at the numbers, many only get an update at the doctor.
So is weighing yourself bad or not? Some experts say it can foster an unhealthy obsession with the scales.
A new study though has found that yes, weighing yourself is a good idea if you're trying to lose weight - but there are some caveats.
To tell us what they are we're joined by Clare Collins, co-author of the paper and Professor of Nutrition and Dietetics at the University of Newcastle.