# ppm vs pt

> English confusable word pair

## The two words

### ppm
*noun · frequency rank #23,949*
Initialism of parts per million (10000 ppm = 1%).

### pt
*noun · frequency rank #6,726*
Initialism of physical training, a physical education class in grade school.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/ppm-vs-pt