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Engineering Notation Converter

How to write engineering notation

  1. Type a number.
  2. Add a unit if you like, such as F or Ω.
  3. See it with an exponent that is a multiple of three and with its SI prefix.

Frequently asked questions

How is it different from scientific notation?

The exponent is always a multiple of three, so it matches SI prefixes: 0.0047 is 4.7 × 10⁻³, or 4.7 m (milli).

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