The IRS has a table for weekly, biweekly, semimonthly and monthly payroll cycles with ranges for gross pay and taxpayer status ( married or single ) and the number of exemptions claimed by the tax payer.
You should have 6. 2% for Social Security and 1. 45% for medicare. Federal and state withholding si based on your income for the pay period using the withholding tables.
You can actually choose, depending on deductions you choose to take. Remember though, if you don't choose to have money withheld, you can be hit with a hefty tax bill come April 15.