If you allow too much tax to be withheld, you get a refund. You can determine how much is tax is taken out of your pay by the number of allowances you claim on your W-4. The W-4 has a worksheet to help you figure out how many personal allowances to take.
Step 5: Predict your next period. Now that we know how long your period cycle is, we can just use it to count the days to predict your next period. My period cycle is 28 days so if I count 28 days from February 10, that's when my next period should come.
If your period is regular, this ovulation calculator can help you find out the days youâre most likely to ovulate. It uses the first date of your last menstrual period and the number of days between your periods. The ovulation dates are an estimate. The best time to have sex is a few days before and the day that you ovulate. The more often you have sex during this time, the more likely you are to get pregnant.