Order of Magnitude

Math

Calculate order of magnitude of a number. Formula: Order = floor(log₁₀(n)). Shows approximate scale: 100 is 10², 1000 is 10³. Used in scientific approximations.

Formula

Order = floor(log₁₀(n))

n = 1000

Inputs
  • Number: 1000

log₁₀(1000) = 3, order = 10³

Frequently asked questions

What's it used for?
Quick approximations in science/engineering; fermi estimation