Concentration converter
5 units, SI unit %. Every conversion runs through the SI base value, so round-trips are exact.
1 % = 1 %
1 % in every concentration unit
| percent | 1 % |
| fraction (0–1) | 0.01 fraction |
| parts per million | 10,000 ppm |
| parts per billion | 10,000,000 ppb |
| grain per US gallon (as CaCO₃) | 584 gpg |
One percent in every unit
| percent (%) | 1 % |
| fraction (0–1) (fraction) | 0.01 fraction |
| parts per million (ppm) | 10,000 ppm |
| parts per billion (ppb) | 10,000,000 ppb |
| grain per US gallon (as CaCO₃) (gpg) | 584.18039 gpg |