Decimal to Scientific Notation Calculator
Convert any decimal number to scientific notation. Enter a number to see it expressed as a coefficient times a power of 10.
=
How to Convert
- Move the decimal point so there's exactly one non-zero digit before it.
- Count how many places you moved — that's the exponent.
- Right moves = positive exponent. Left moves = negative exponent.
Examples:
45,000 = 4.5 × 10⁴
0.0032 = 3.2 × 10⁻³
45,000 = 4.5 × 10⁴
0.0032 = 3.2 × 10⁻³
Last updated: 2026-08-08