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Scientific Notation Converter

Convert numbers to scientific notation, engineering notation and E notation, and back.

Number

How to use it

Type a number (or e-notation like 3.2e8).

How it works

Scientific notation writes a number as a × 10ⁿ with 1 ≤ a < 10. Engineering notation uses exponents that are multiples of 3.

FAQ

How do you write 0.00045 in scientific notation?

4.5 × 10⁻⁴.

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