Step 2. Divide the annual interest rate expressed as a percentage by 12 to calculate the monthly interest rate expressed as a percentage. For example, if you have an annual interest rate of 7.8 percent, divide 7.8 by 12 to find the monthly interest rate is .65 percent.Related Reading: Interest Rate vs. APR Rate.anks accounts and loans often state the annual interest rate, but compound interest on a monthly basis, meaning that you need to know the monthly rate to calculate how much interest you will earn have to pay.
Major brand tennis racket manufacturers provide sizing guidelines to help you select the correct racket. If you child is 5 years old or younger and is 44 inches or shorter, a 19- or 21-inch racket is a good fit. If your child is age 6 to 8 and measures 45 to 49 inches, select a 23-inch racket.
Juniors will usually measure less than 4â. For junior racquets, exact size matching can be difficult. Most junior racquets are quite inexpensive, and the manufacturers donât find it economical to produce a wide range of grip sizes. Junior rackets 26-inches in length will have a 4-inch grip size. Junior rackets shorter than 26-inches will have a 3-7/8 grip size. If the grip is not a perfect fit for the child, often the best you can do is to get a racquet thatâs fairly close and then use over grip to adjust thickness.