Scientific Notation Converter
Convert between decimal, hexadecimal, octal, and scientific notation with significant figures.
Scientific notation converter
Decimal number
Scientific notation
× 10
Hexadecimal number
Octal number
📝 Information
Scientific notation: A way to write large or very small numbers using base 10.
Formula: a × 10ⁿ
Where: a It is a number between 1 and 10, and n It is an integer.
Example: 123456789 = 1.23456789 × 10⁸
Significant figures: Numbers that have meaning in measurement (Non-zero numbers).
An ellipsis (…) marks fractional hex/octal output truncated after 48 digits. Decimal and scientific notation are exact; significant-figure rounding is optional.