×10ⁿ
Scientific Notation Converter
Translate ordinary decimals to scientific notation and back, with both superscript and e-notation output.
4.2 × 10⁻⁴
E-notation: 4.2e-4
602,200,000,000,000,000,000,000
🔒 This tool runs entirely in your browser. Your data is never uploaded.
Frequently asked questions
What does it convert?+
Between ordinary decimal numbers and scientific (E) notation, in both directions.
What is scientific notation?+
A compact way to write very large or very small numbers as a coefficient times a power of ten, such as 6.02 x 10^23.
Is my input uploaded?+
No — it's converted locally in your browser.