{

# Dart Example to count the number of digits in a number| Decimals Count in Dart This example covers two programs in dart.

• the first program finds the count of several digits in an integer number

The length of a number is to find the count of the number of digits.

For example, 129 number digits count is 3.

• The second program finds the count of a decimal of a double number For example, in the 129.1234 number, the decimal digit count is 4.

Consequently, Both are used to implement digit count for a given number.

## How to get the count digit count of an integer number in dart and flutter

This program calculates the count of digits in a given number

• First, the number is converted to a String using the toString() method.
• Find the length of a string using the length method
• Another way is using interpolation string with length method

Here is a program to find the number of digits counted in a given number

``````void main() {
int number = 129;

print(number.toString().length); //3
print('\$number'.length); //3
}

``````

When you run the above program, the Output is

``````3
3
``````

## Count of decimal places in a given number in dart and flutter

This program counts the number of decimal digits in a given double number

• Double number is created with decimal places
• Convert, this number to a String using the toString() method
• Next, Split the number using a dot(`.`) delimeter
• Returns the decimals number as a string
• Find the length of a string Following is an example of a function to count the number of decimal digits of a double number
``````void main() {
double doubleNumber = 3.1435;
var decimalsCount = doubleNumber.toString().split('.');
print(decimalsCount.length);
}

``````

Output is

``````4
``````

## Conclusion

Learn how to calculate digit count in a given integer number in the dart program, Also find the fractional or decimal digits count in a double number.

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