Question 1

What are SI metric prefixes?

Accepted Answer

SI prefixes indicate powers of 10, from yocto (10⁻²⁴) to yotta (10²⁴). Common ones include milli (10⁻³), kilo (10³), mega (10⁶), and giga (10⁹).

Question 2

How do I convert between metric prefixes?

Accepted Answer

Each prefix step represents 10³ (1000×). This converter handles all prefix conversions, including uncommon prefixes like atto, femto, and exa.

Question 3

When would I need to convert metric prefixes?

Accepted Answer

Prefix conversion is common in science and engineering when working with very large or small quantities, or when comparing values in different scales.

Question 4

What is the difference between kilo/mega and kibi/mebi?

Accepted Answer

Kilo/mega use powers of 1000 (metric), while kibi/mebi use powers of 1024 (binary). Binary prefixes are mainly used in computing.

Si Unit Converter

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