AVERAGE definition: 1. the result you get by adding two or more amounts together and dividing the total by the number…. Learn more. How to Calculate Average: Formula, Examples & Free Calculator (2026) Whether you’re a student trying to find your test score average, a professional tracking monthly sales figures, or an investor averaging down on a stock position, knowing how to calculate average is a foundational math skill used every single day. This guide covers everything — the basic average formula, step-by-step. Averages are used to represent a large set of numbers with a single number. It is a representation of all the numbers available in the data set. The average is calculated by adding all the data values and dividing it by the number of the data point. average, mean, median, norm mean something that represents a middle point. average is the quotient obtained by dividing the sum total of a set of figures by the number of figures. mean may be the simple average or it may represent value midway between two extremes. Calculate averages, weighted averages, percentages, mean, median, mode and missing values quickly with this free online Average Calculator for everyday math. The most commonly used definition of the average is the arithmetic mean, [4] also known as arithmetic average i.e. the sum divided by the count, so the average of the list of numbers [2, 3, 4, 7, 9] is generally considered to be (2+3+4+7+9)/5 = 25/5 = 5. Calculate the average of a set of numbers. Mean calculator finds the mean by adding all numbers and dividing by the count. Free online statistics calculators. Free calculator to determine the average, or the arithmetic mean, of a given data set. It also returns the calculation steps, sum, count, and more. Calculate the average (mean) with our user-friendly tool. Discover how to find averages or perform quick calculations effortlessly. a number that is calculated by adding quantities together and then dividing the total by the number of quantities; a level that is typical of a group, class, or series : a middle point between extremes; batting average… See the full definition.