Convert any number to scientific notation. Free, private, and runs entirely in your browser.
A number is rewritten as a coefficient between 1 and 10 multiplied by a power of ten.
What is E notation? A calculator form where 1.2e3 means 1.2 × 10³.
What about small numbers? They get a negative exponent, like 0.0005 = 5 × 10^−4.