Decimal places counter

Count how many digits appear after the decimal point in any number.

Number

What are decimal places?

Digits after the decimal point. 3.14 has 2 decimal places. 3.14159 has 5. 42 has 0.

Significant digits vs decimal places

Decimal places count digits after the dot. Significant figures count all meaningful digits. 0.00450 has 5 decimal places but 3 significant figures.

Examples
3.14159 (5 places) 0.001 (3 places) 42 (0 places) 100.50 (2 places)
Related calculators
Significant figuresRoundingScientific notation