Quick daily math
Everyday Calculators
Common calculators for percentages, dates, tips, age, time, units, and other everyday questions.
18 live calculatorsFree to use
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Calculators in this category
Live tools are listed by common task, with short descriptions to make scanning faster.
Percentage CalculatorUse this percentage calculator for common percent math: find a percent of a number, calculate percentage change, or work out what percent one value is of another.OpenPercent Change CalculatorUse this percent change calculator to compare an old value with a new value and see the percentage increase or decrease.OpenAverage CalculatorUse this average calculator to find the mean, median, count, and sum from numbers separated by commas, spaces, or line breaks.OpenFraction CalculatorUse this fraction calculator to solve common fraction math and see the simplified fraction, mixed number, and decimal result.OpenDate CalculatorUse this date calculator to add or subtract time from a date and count the days or weeks between two calendar dates.OpenDays Between Dates CalculatorUse this days between dates calculator to count calendar days, weeks, and weekdays between a start date and an end date.OpenAge CalculatorUse this age calculator to find exact age in years, months, and days, total days alive, and days until the next birthday.OpenTime Duration CalculatorUse this time duration calculator to find hours and minutes between two times, subtract breaks, and estimate pay from an hourly rate.OpenHours CalculatorUse this hours calculator to estimate weekly work hours after breaks and calculate weekly pay from an hourly rate.OpenGrade CalculatorUse this grade calculator to estimate the final exam score needed for a target course grade and preview your projected final grade.OpenGPA CalculatorUse this GPA calculator to estimate semester GPA from up to four classes, credit hours, and letter-grade point values.OpenTip CalculatorUse this tip calculator to calculate a tip, total bill, and per-person split for restaurants, delivery, rides, and services.OpenDiscount CalculatorUse this discount calculator to find the sale price, savings, and estimated total after tax for coupons, markdowns, and shopping deals.OpenSales Tax CalculatorUse this sales tax calculator to estimate tax and final checkout price after an optional discount.OpenUnit Price CalculatorUse this unit price calculator to compare two products with different prices and package sizes by cost per unit.OpenUnit ConverterUse this unit converter for quick length, weight, volume, temperature, and speed conversions.OpenCooking Conversion CalculatorUse this cooking conversion calculator to convert teaspoons, tablespoons, cups, ounces, grams, milliliters, and recipe serving amounts.OpenRecipe ScalerUse this recipe scaler to resize recipes for more or fewer servings and convert each ingredient by the same multiplier.Open