Scientific Notation Calculator
Convert any number to scientific, E and engineering notation.
How this calculator works
Scientific notation writes a number as a coefficient between 1 and 10 multiplied by a power of 10. Engineering notation uses powers of 10 that are multiples of 3, which match units like kilo and mega.
Frequently asked questions
How do I write 0.00045 in scientific notation?
It is 4.5 x 10^-4.
What is E-notation?
It is a short form. 4.5E-4 means 4.5 x 10^-4.
What is engineering notation?
It keeps the exponent a multiple of 3, such as 123.456789 x 10^6.
