Weblooking to decide on the best pay frequency for your business? Consider the cash flow, employee satisfaction, and legal implications. Learn about the various. Webyour pay frequency also determines how often you must run payroll. There are four popular pay frequencies to choose from: Weekly, biweekly, semimonthly, and. Webuse smartasset's paycheck calculator to calculate your take home pay per paycheck for both salary and hourly jobs after taking into account federal, state and local taxes.