Scientific Notation Converter
Express a number as a coefficient × 10 to a power.
Result
Coefficient
1.234500
Exponent (power of 10)
4
How it works
number = coefficient × 10^exponent
Scientific notation writes a number as a coefficient between 1 and 10 times a power of ten. Example: 12345 → 1.2345 × 10⁴.
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Frequently asked questions
How do I write 12345 in scientific notation?
1.2345 × 10⁴.
What about small numbers?
The exponent is negative: 0.0042 → 4.2 × 10⁻³.
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