A ↗ Age Calculator Calculate exact age in years, months, and days between two dates. Open tool → P ↗ Percentage Calculator Calculate a percentage of any numeric value. Open tool → A ↗ Average Calculator Find the arithmetic mean and count of a list of numbers. Open tool → S ↗ Sales Tax Calculator Calculate sales tax and the total price after tax. Open tool → M ↗ Margin Calculator Calculate profit, profit margin, and markup from revenue and cost. Open tool → D ↗ Discount Calculator Calculate discount amount and final price after discount. Open tool → C ↗ CPM Calculator Calculate advertising cost per one thousand impressions. Open tool → L ↗ Loan Calculator Estimate monthly payment, total payment, and interest for a fixed-rate loan. Open tool → G ↗ GST Calculator Calculate GST amount and the total including GST. Open tool → P ↗ Probability Calculator Calculate simple probability from favorable and total outcomes. Open tool → T ↗ Time Card Calculator Total daily work hours and separate regular and overtime hours. Open tool → G ↗ Grade Calculator Calculate percentage grade and a configurable standard letter-grade estimate. Open tool →