Scientific Notation Calculator
Convert numbers to and from scientific notation. The result updates as you type, with the working underneath so you can check it.
Your details
Convert
Result
Scientific notation
1.23456 × 10^5
- E-notation
- 1.23456E5
Good to know: a × 10^b with 1 ≤ |a| < 10
About this tool
Formula
a × 10^b with 1 ≤ |a| < 10
Questions people ask
How do I write 0.00045 in scientific notation?
4.5 × 10⁻⁴: move the decimal point four places right and use a negative exponent.
Related tools
- Quadratic Formula CalculatorSolve ax² + bx + c = 0, including complex roots and the vertex.
- Pythagorean Theorem CalculatorFind a missing side of a right triangle.
- Triangle CalculatorFind area, angles and radii of a triangle from its three sides.
- Circle CalculatorFind area, circumference, radius and diameter from any one of them.
How we calculate this
We use the standard published formula or definition for this calculation, and we show the working so you can check it.
Spotted a mistake? Tell us and we'll check it. How we check our calculators