Parts per Million - ppm

Parts per million (ppm) is a dimensionless measure of small concentration levels of pollutants in air, water, and body fluids. This calculator helps convert between ppm and other concentration units including percentages, weight percent, and mass per unit volume.

Calculator

Inputs

Solute (Component) Mass/Volume/Moles (unit)

Solution Mass/Volume/Moles (unit)

PPM Value (ppm)

Results

Calculated PPM-- ppm

Weight Percent-- %

Parts per Billion-- ppb

Parts per Trillion-- ppt

Milligrams per Liter-- mg/L

Grams per Litre-- g/L

Pounds per Million Gallons-- lb/million gal

Concentration Unit	Value	Equivalent in ppm
1 ppm	1	1
10 ppm	10	10
100 ppm	100	100
1,000 ppm	1000	1000
10,000 ppm	10000	10000
0.0001%	0.0001	1
0.001‰	0.001	1
0.1%	0.1	1000
1%	1	10000
1 mg/kg	1	1
1 mg/L (water)	1	1
1 ppb	0.000001	0.001
1 ppt	0.000000001	0.000001