What input formats are accepted?

You can enter a plain number (e.g. 0.00045), a number with e-notation (e.g. 4.5e-4), or a number with E-notation (e.g. 4.5E-4). All are treated equivalently.

What is scientific notation?

Scientific notation expresses a number as a coefficient (1 ≤ |c| < 10) multiplied by a power of 10. For example, 12300 = 1.23 × 10^4.

Can I convert very large or very small numbers?

Yes. JavaScript handles numbers up to about 1.8 × 10^308. Very large integers may lose precision beyond 15-16 significant digits.

Scientific Notation Converter

Convert between standard numbers and scientific notation.

Enter a number

Accepts plain numbers, e-notation (1.23e4), or decimals.

Scientific notation

1.23 × 10^7

Coefficient: 1.23 · Exponent: 7

Standard (decimal) form

12300000

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FAQ

What input formats are accepted?: You can enter a plain number (e.g. 0.00045), a number with e-notation (e.g. 4.5e-4), or a number with E-notation (e.g. 4.5E-4). All are treated equivalently.
What is scientific notation?: Scientific notation expresses a number as a coefficient (1 ≤ |c| < 10) multiplied by a power of 10. For example, 12300 = 1.23 × 10^4.
Can I convert very large or very small numbers?: Yes. JavaScript handles numbers up to about 1.8 × 10^308. Very large integers may lose precision beyond 15-16 significant digits.

Scientific Notation Converter converts any number between standard (decimal) form and scientific notation. Enter a standard number like 12300000 or a scientific notation like 1.23e7. Both representations are shown with coefficient, exponent, and the equivalent value.