1/5 as a percentage is 20.00%. This number tells you how much of a whole 1/5 represents when you look at it in hundred‑parts. It’s a clean, round figure that’s easy to remember.
The fraction 1/5 means one part out of five equal parts. If you split something like a pizza into five slices, taking one slice gives you exactly one‑fifth of the pizza. In everyday language, you might hear people say “one‑fifth” instead of writing the fraction.
When you see 20.00% on a label, a chart, or in a report, it’s just another way of showing that same one‑fifth portion. It’s useful for comparing sizes, discounts, or probabilities in a format most people understand quickly.