If you want a complete picture of how you're really doing, a smart scale is a better investment than those run-of-the-mill scales you can get from Walmart.

Smart scales, like the Sophie Smart Body Scale, are capable of delivering multiple body metrics to help you know yourself better. For a limited time, TMZ readers can score it on sale for over $40 off.

Stepping on the Sophie Smart Body scale allows you to be more informed of what's going on in your body, from your weight and body fat to muscle mass and body mass to body age, BMI, and BMR. It measures these metrics through the soles of your feet using four high-precision sensors and BIA technology. It even comes with a built-in workout buddy feature, which lets you set specific goals and track them accordingly with great precision!

The Sophie Smart Body Scale usually goes for $79, but you can score it for only $32.99.