How to use the Scientific Notation Calculator
This tool converts a number to scientific and engineering notation.
Open the Scientific Notation Calculator →
What you need to enter
- Number
The formula
x = m × 10^e, with 1 ≤ |m| < 10. Engineering notation uses exponents that are multiples of 3.
Worked example
Using the default values in the calculator:
- Number: 123456.789
| Scientific notation | 1.23456789 × 10^5 |
| E-notation | 1.23456789e+5 |
| Engineering notation | 123.456789 × 10^3 |
| Decimal | 123456.789 |
Tips for better results
- Handy for very large or small numbers.
- E-notation is used by calculators.
Common mistakes to avoid
- Placing the decimal wrongly.
- Mixing up signs.