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Everyday Math & Dates Calculators
Free calculators for percentages, discounts, tips, grades, ages and the days between two dates.
Percentage CalculatorPercent of a number, change, increase and decrease.Open calculator →Discount CalculatorSale price and the amount you save.Open calculator →Tip Calculator & Bill SplitterTip amount and split the bill.Open calculator →Scientific CalculatorTrig, logs, powers and roots.Open calculator →Age CalculatorExact age in years, months and days.Open calculator →Days Between Dates CalculatorCount the days between two dates.Open calculator →Weighted Grade CalculatorFind your overall course grade.Open calculator →
About these calculators
Quick answers for the small calculations that come up every day: how much is 15 percent off, what to tip, what grade you need on a final, or how many days remain until an event. They work on phones and computers and give results instantly.
Tip: Shopping? Use the Discount Calculator. Eating out? Try the Tip Calculator to split a bill.
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More categories: Money & Work Calculators · Health Calculators