Scientific Notation Converter
Convert between plain numbers, scientific and engineering notation.
How to use
- Enter a plain number, 1.5e8, or 1.5 × 10^8 - all are understood.
- Read scientific, E, engineering and plain forms at once.
- Copy the form you need.
Frequently asked questions
What's engineering notation?
Like scientific notation but the exponent is a multiple of 3, aligning with kilo/mega/giga prefixes - 47 × 10^3 rather than 4.7 × 10^4.
What does 1e-7 mean?
1 × 10⁻⁷ = 0.0000001 - the E is shorthand for '×10 to the power of'.