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Convert an ordinary decimal number to scientific notation, or reverse the process.
Enter any positive or negative number, including very large or very small ones.
How many significant figures to show in the coefficient.
Scientific notation
2.998 x 10^8

Standard form: a x 10^n, where 1 <= |a| < 10

E-notation2.998E8
Engineering notation299.8 x 10^6
Ordinary (decimal) form299800000
Exponent (n)8
Coefficient (a)2.998
8 (power of 10)
Sub-atomic<-12Microscopic-12--3Human scale-3-3Astronomical3-12Cosmic12+

Result: 2.998 x 10^8

  • The coefficient is 2.998 and the exponent is 8, so the number is very large.
  • In SI unit prefixes, 10^6 corresponds to the mega (M) prefix.
  • Moving the decimal point 8 places to the right would give the ordinary (decimal) form.

Next stepUse engineering notation when working with SI unit prefixes, as the exponent will always match a named prefix (kilo, mega, giga, etc.).

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