Pedometer option on Galaxy S5 is an accurate way to find out the number of your steps (step-counter), burnt calories and distance. To turn on Pedometer on Galaxy S5, do as follows:
1. Go to App Drawer and open S Health application
2. Use the sidebar menu (Swipe right from the left edge) and select the Pedometer option
3. Simply tap the Start button and enjoy walking
Note that, since each time you want to count your steps, you have to manually turn on Pedometer on Galaxy S5, it is recommended to add the Pedometer widget on home screen.