Gram per Gallon (g/gal) expresses mass in gram per unit volume in gallon, found by dividing a mass value by a volume value.
Gram per Gallon to Nanogram per Liter
Convert gram per gallon (g/gal) to nanogram per liter (ng/L) instantly with formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
Density calculator
Density Converter
Convert gram per gallon (g/gal) to nanogram per liter (ng/L) instantly with formula, conversion table, and FAQ.
Nanogram per Liter (ng/L) expresses mass in nanogram per unit volume in liter, found by dividing a mass value by a volume value.
ng/L = g/gal × 2.641721e8
Results update instantly for Gram per Gallon to Nanogram per Liter conversions.
Reserved above the conversion cards and below the converter.
Formula
ng/L = g/gal × 2.641721e8
g/gal = ng/L × 3.785412e-9
Conversion table
| 1 g/gal | 2.641721e8 ng/L |
| 5 g/gal | 1.32086e9 ng/L |
| 10 g/gal | 2.641721e9 ng/L |
| 20 g/gal | 5.283441e9 ng/L |
| 50 g/gal | 1.32086e10 ng/L |
| 100 g/gal | 2.641721e10 ng/L |
| 500 g/gal | 1.32086e11 ng/L |
| 1000 g/gal | 2.641721e11 ng/L |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both gram per gallon and nanogram per liter measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in gram per gallon by 2.641721e8 to get nanogram per liter. To reverse the conversion, multiply a nanogram per liter value by 3.785412e-9 to get back to gram per gallon.
Frequently asked questions
What is Gram per Gallon (g/gal)?
Gram per Gallon (g/gal) expresses mass in gram per unit volume in gallon, found by dividing a mass value by a volume value.
What is Nanogram per Liter (ng/L)?
Nanogram per Liter (ng/L) expresses mass in nanogram per unit volume in liter, found by dividing a mass value by a volume value.
How do I convert gram per gallon to nanogram per liter?
Multiply the gram per gallon value by 2.641721e8 to get the equivalent in nanogram per liter. For example, 5 g/gal × 2.641721e8 = 1.32086e9 ng/L.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 2.641721e8 is an exact, non-rounded value.
Can I convert nanogram per liter back to gram per gallon?
Yes. Divide the nanogram per liter value by 2.641721e8, or multiply it by 3.785412e-9, to get gram per gallon.
Reserved between the FAQ and the article so the page stays balanced.
About converting gram per gallon to nanogram per liter
Gram per Gallon (g/gal) expresses mass in gram per unit volume in gallon, found by dividing a mass value by a volume value. Nanogram per Liter (ng/L) expresses mass in nanogram per unit volume in liter, found by dividing a mass value by a volume value.
Use this calculator to move between gram per gallon and nanogram per liter accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.