Grams per gallon to Parts per million water
Convert Grams per gallon to Parts per million water instantly. Free online chemistry unit converter with exact formula, conversion table and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Converter
Length Converter
Convert metric, imperial, and nautical distance units.
Context values
Some unit families need one extra value for a physically accurate result.
Use the converter to see the formula.
Results update instantly for Grams per gallon to Parts per million water conversions.
Reserved above the conversion cards and below the converter.
Formula
1 g/gal = 264.172052 ppm
value in ppm = value in g/gal × 264.172052
value in g/gal = value in ppm × 0.003785
Conversion table
| 1 g/gal | 264.172052 ppm |
| 2 g/gal | 528.344105 ppm |
| 5 g/gal | 1320.860262 ppm |
| 10 g/gal | 2641.720524 ppm |
| 20 g/gal | 5283.441047 ppm |
| 50 g/gal | 13208.602618 ppm |
| 100 g/gal | 26417.205236 ppm |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How do I convert grams per gallon to parts per million water?
Multiply the grams per gallon value by 264.172052 to get parts per million water. For example, 1 g/gal = 264.172052 ppm.
What is the formula for grams per gallon to parts per million water?
Use the formula: value in ppm = value in g/gal × 264.172052. To convert back, value in g/gal = value in ppm × 0.003785.
Is the grams per gallon to parts per million water conversion exact?
Yes. This conversion uses a fixed numeric relationship between grams per gallon and parts per million water, so the result is mathematically precise (rounded only for display).
Where is the grams per gallon unit commonly used?
It is commonly used in chemistry, environmental testing, water quality analysis, pharmacology, and laboratory concentration reporting.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
Grams per gallon and Parts per million water are units used in the Universal Converter chemistry category. Gram per Gallon (g/gal): Mass concentration. Parts per million water (ppm): Approximate mg/L in water.
This converter uses the relationship 1 g/gal = 264.172052 ppm, so results stay consistent whenever you need to move between grams per gallon and parts per million water. It is commonly used in chemistry, environmental testing, water quality analysis, pharmacology, and laboratory concentration reporting.