It's as simple as that! Our products are designed to allow you to easily measure any part of your body. It's so simple, you'll wonder how you ever lived without it. Just press a button and the soft vinyl tape conforms to your body and gives you measurements precise. Measuring biceps, forearms, thighs or calves is a breeze You're covered! They are available in sizes up to 150 cm or 60 inches. The tape is marked in centimeters on one side and inches on the other. Easy to carry Our product is sturdier and more durable than others. It costs a bit more, but it's worth it in the long run The case is included in the measurement. To simplify the calculation, we assume that the circumference of the arm is 38.1 cm. If the meter starts at 0, the measurement will be approximately 33.02 cm (13 inches) because the section of the hose is approximately 5.08 cm (2 inches).