Digit Sum Calculator

Calculator for calculating the digit sum of a number


This function returns the digit sum of the given argument. A non-negative integer must be specified as an argument.

The digit sum is the sum of the individual digits of a number. To calculate, enter a non-negative integer, then click the 'Calculate' button.


Digit Sum Calculator

Input
Argument
Decimal places
Result
Digit sum

Description and instructions


The digit sum of a number is the sum of its individual digits. Here is a step-by-step guide on how to calculate the digit sum:

  1. Break the number into digits.
  2. Add all digits.

Example:


Calculate the digit sum of the number 1234.

\[ \text{Break:} \ 1, 2, 3, 4\] \[ \text{Add:} \ 1 + 2 + 3 + 4 = 10\]

The digit sum of 1234 is therefore 10.

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