Scientific Notation Converter

Convert Numbers to Scientific Notation and vice versa using the form below.

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Frequently Asked Questions

Scientific notation expresses numbers as a coefficient multiplied by a power of 10. For example, 5,000,000 is written as 5 × 10^6.

It is used in science and engineering to write very large or very small numbers compactly, such as the speed of light (3 × 10^8 m/s).

Move the decimal point until only one non-zero digit is to the left of it. Count the moves to get the exponent. For example, 0.00045 = 4.5 × 10^-4.

Avogadro's number is approximately 6.022 × 10^23. It represents the number of atoms or molecules in one mole of a substance.

The speed of light is approximately 3 × 10^8 metres per second (more precisely, 2.998 × 10^8 m/s).

Multiply the coefficients and add the exponents. For example, (2 × 10^3) × (3 × 10^4) = 6 × 10^7.

E notation is a compact way to write scientific notation used in calculators and programming. 3.14E6 means 3.14 × 10^6.