calculators

US Calculators

Sales tax, mortgage, GPA and salary-to-hourly tools for common U.S. use cases.

calculatorsUS Sales Tax CalculatorCalculate sales tax and total price using a state or local sales tax rate.→calculatorsGPA CalculatorCalculate grade point average from course grades and optional credit hours.→calculatorsSalary to Hourly CalculatorConvert an annual salary into an estimated hourly, weekly, and monthly rate.→