Reckonary / Calculators / Everyday calculators

Everyday calculators

The small calculations that come up at a restaurant, a store, or a calendar. Split a bill and tip, stack discounts, compare unit prices, work out a percentage, or count the days between two dates.

Quick, exact, and free — no sign-up, no clutter.

EverydayTipSplit a bill and tip fairly between any number of people.Open →EverydayDiscountFind the sale price and how much you save.Open →EverydayStacked discountCombine two or three discounts into one price.Open →EverydayPercentageIncrease, decrease, and difference, instantly.Open →EverydayUnit priceCompare two sizes to find the better deal.Open →EverydayDate differenceDays, weeks, and months between two dates.Open →EverydayAgeYour exact age in years, months, and days.Open →