While some cite 21 days as the length of time it takes to change a habit, one study found that a daily action such as eating fruit at lunch or running for 15 minutes, took an average of 66 days to become as much of a habit as it would ever become. In any case, if there are habits you would like to form (or break), then we’ve found that tracking them is one of the simplest ways to make it happen.

Put simply, habit trackers keep us accountable by helping you to stay on track to meet goals. Just the act of filling in your completed habits daily is motivation enough to help you see it through, accomplish, and build healthy habits that can change your life.

You can use this habit tracker for business or personal, literally anything you want to track, really. If you’re not sure where to start, we’ve listed a few ideas for what habits you can track.