timing how long it takes for your kettle to boil 1 cup (250ml) of water. looking at the power of your kettle (Watts, often found on the base of the kettle) joules = wattage x time (in seconds)
Rock climbing can help build and tone your legs and glutes. Indoor rock climbing is a sport that when properly executed, recruits every major muscle group in the body. Rock climbing is a full body workout that tones and strengthens the arms, shoulders and core muscles. You can also effectively strengthen and tone your legs and buttocks with regular indoor rock climbing sessions.
How to Calculate Stair Climbing to Miles. Stair climbing burns almost twice the number of calories as walking or running, because you are lifting your entire body weight, rather than simply moving it forward. It can be gruelingly tough on the legs, but works your entire body.