a particular aggregate or total, esp. with reference to money: The expenses came to an enormous sum. an indefinite amount or quantity, esp. of money: to lend small sums.

SUM definition: 1. an amount of money: 2. a simple mathematical calculation such as adding two numbers together: . Learn more.

How to use the SUM function in Excel to add individual values, cell references, ranges, or a mix of all three.

Oct 21, 2025 · The sum is the total, or summation, of two or more numbers or addends added together. For example, 8 + 3 = 11.

Nov 4, 2025 · Use this calculator to find the sum of a data set. Enter values separated by commas or spaces. Or copy and paste lines of data from spreadsheets or text documents. See all …

Dec 11, 2025 · Explore the concept of sum with detailed explanations, examples, and problem-solving techniques. Ideal for students and teachers.

Apr 30, 2025 · Today, I’ll walk you through everything you need to know about “sum”—from its basic definitions to its varied uses, common mistakes, and even some fun practice exercises.

Jan 2, 2021 · Learn what a sum is, how it’s used in math, and when students begin working with sums in school.

The meaning of SUM is an indefinite or specified amount of money. How to use sum in a sentence.

When you take two or more numbers to add them, you have a total sum of two or more numbers. For instance, if this cat gives birth to 3 kittens, she is adding to her family.