Scientific Notation Converter
Convert numbers between standard form and scientific notation instantly. Supports both directions with E notation output.
How It Works
This converter supports two modes:
- Standard → Scientific — Enter any number and get its scientific notation. The converter finds the appropriate power of 10 by counting decimal place shifts needed to put the coefficient between 1 and 10.
- Scientific → Standard — Enter a coefficient and exponent to get the standard form. The converter multiplies the coefficient by 10 raised to the given power.
Frequently Asked Questions
What is scientific notation?
Scientific notation expresses numbers as a coefficient between 1 and 10 multiplied by a power of 10. For example, 1,500,000 becomes 1.5 × 10⁶ and 0.00042 becomes 4.2 × 10⁻⁴.
What is E notation?
E notation is a shorthand for scientific notation used in programming and calculators. For example, 1.5e6 means 1.5 × 10⁶ (1,500,000).
When should I use scientific notation?
Scientific notation is useful for very large numbers (like the speed of light: 3 × 10⁸ m/s) or very small numbers (like atomic sizes: 1 × 10⁻¹⁰ m) where writing all the zeros is impractical.