Waist circumference of 70 is recommended to wear pants of 2' 1. One foot is 33.33 cm, and one centimeter is about 0.03 foot, so you need to wear 2 feet 1 trousers for waist circumference 70. Choose a pair of trousers that suits you. The size of trousers needs to be accurate, especially the waist. There are differences in the styles of men's and women's trousers, so when buying trousers, you need to look at the hip circumference as well as the waist circumference. Generally, the waist of trousers should be a little looser. When buying pants, the looseness of pants can be appropriately increased by one inch, so as to wear a loose effect. In addition to waist circumference, the size of hip circumference can not be ignored. If the hip circumference is too thin, the zipper at the front of the pants will not pull up, which will also have an impact when moving. How to measure the waist circumference of trousers? 1, before measuring waist circumference, prepare a tape measure, and then wrap the tape measure around two fingers above the navel. 2, when measuring, pay attention to the abdomen, keep relaxed, tape measure don't pull too tight, as long as it can stick to the skin. 3. After measuring, read the size of the tape measure, that is, the waist circumference. You can directly compare this size when buying pants. When measuring waist circumference, don't measure it when you are hungry or full, which may lead to size deviation. Hip circumference is measured in the same way as waist circumference.