The speed of the six-speed treadmill is 6 kilometers per hour. Treadmills usually show the total mileage and fat consumption (calories). According to the calculation formula on the treadmill, the speed can be calculated. Running on the treadmill for one hour can consume 500 calories. Treadmill is a routine fitness equipment in family and gym, the simplest one in today's family fitness equipment, and the best choice for family fitness equipment. 1965, the world's first household treadmill was born in Tantelli, northern Europe, and the designer modified it according to the principle of speed transmission belt.