The Sum (Summation) Calculator is used to calculate the total summation of any set of numbers. In mathematics, summation is the addition of a sequence of any kind of numbers, called addends or summands; the result is their sum or total.

FAQ

We want to make the summation calculator very easy to use. You do not need to input plus (+) sign every time. Please separate all numbers by comma, space or line break. Our tool can automatically calculate the summation of all numbers.

We ever tested 10k numbers. This tool can instantly get the summation of these numbers.

Yes. Just retain negative sign with the numbers.

This sum calculator is designed as a PWA (Progressive Web App). You can install it on your home screen if your device and browser support PWA.