Scientific notation is the standard way to write very large or very small numbers — the distance to the Sun, the mass of an atom, or the size of a single byte of data. This converter switches between normal numbers and scientific notation in both directions, instantly.
It accepts values like 150000000 and turns them into 1.5 × 10^8, and it reads back values written as 1.5e8, 1.5 × 10^8 or 1.5 x 10^8. Everything is computed locally in your browser.
What does 1.5e8 mean? The e-notation 1.5e8 is the same as 1.5 × 10^8, or 150,000,000.
Can it handle negative exponents? Yes, values like 2.5e-7 are converted to 0.00000025.
Is my data private? Yes. Nothing leaves your browser.