Sum Calculator

Add up a comma-separated list of numbers to find the total sum.

Embed this tool on your site

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How to use this tool

Enter numbers (comma-separated) in the fields above.
Results update instantly as you type — or click Calculate.
Read your sum and the full breakdown beneath it.

Enter numbers separated by commas to find their sum.

Frequently asked questions

How do you add a list of numbers?: Enter the numbers separated by commas and click Calculate. The tool adds all values together.

References & sources

Wikipedia: Summation