Scientific Notation Converter
Write a number in scientific notation as mantissa times a power of ten.
Quick answer: enter your details below and click Convert to Scientific Notation — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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How to use
- Enter a number.
- Click Convert to Scientific Notation.
- Read the mantissa and exponent.
About this tool
Enter any non-zero number. The tool finds the exponent that puts one digit before the decimal point and shows mantissa times ten to that power. Zero is a special case with no scientific form, and the tool says so.
Frequently asked questions
What if the number is zero?
Zero has no standard scientific form, so the tool flags it instead of inventing one.
Can it handle decimals?
Yes. Small numbers get negative exponents, like 0.005 = 5 x 10^-3.