Convert any number to and from scientific notation, with E-notation, plain decimal, engineering notation and order of magnitude. Free and instant.

Enter any number, large or small, for example 149600000 or 0.00042.

× 10

Enter the coefficient a and the exponent n.

Scientific notation
E-notation
Plain decimal
Engineering notation
Order of magnitude
Scientific notation uses a coefficient between 1 and 10. Engineering notation uses an exponent that is a multiple of 3.

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