It's a common question - how long does it take to tone arms with dumbbells? When it comes to getting toned arms, many people think that it takes a long time. However, this isn't always the case! In fact, you can tone your arms with dumbbells in a relatively short amount of time if you know what you're doing. In this blog post, we will discuss how to tone arms with dumbbells in just four weeks! We'll also provide a workout routine that you can follow to help get you started.