Scientific Notation Calculator

Convert numbers to scientific notation or expand scientific notation to standard form.

Mode

Scientific Notation
Standard Form

What is Scientific Notation?

Scientific notation expresses numbers as a coefficient between 1 and 10 multiplied by a power of 10.

a × 10ⁿ where 1 ≤ |a| < 10

Examples

Speed of light: 299,792,458 m/s

= 2.99792458 × 10⁸

Size of an atom: 0.0000000001 m

= 1 × 10⁻¹⁰

Quick Tip

Positive exponents mean large numbers (move decimal right). Negative exponents mean small numbers (move decimal left).