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

sum noun (CALCULATION) [ C ] a calculation, especially a simple one, using such processes as adding, taking away, multiplying, or dividing:

The result of adding numbers or quantities. The sum of 6 and 9, for example, is 15, and the sum of 4 x and 5 x is 9 x.

Aug 1, 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 …

1. the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition: The sum of 6 and 8 is 14.

In mathematics, the sum of two numbers is the number that is obtained when they are added together.

sum noun [C] (TOTAL) the total amount that you get when you add two or more numbers together: