Mass concentration.
Pounds per Liter to Grams per Gallon Converter — lb/L to g/gal
Convert Pound per Liter (lb/L) to Gram per Gallon (g/gal) using the exact conversion factor (1 pound per liter = 1,717.033903 gram per gallon). See the formula, worked examples, and conversion table.
Pounds per Liter to Grams per Gallon converter
Converter
Chemistry Converter
Convert concentration, molarity, amount, and laboratory scientific units by compatible family.
Mass concentration.
Result = input x 453.59237 / 0.2641720524.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Liter to Grams per Gallon
Pound per Liter and Gram per Gallon both measure mass concentration — how much of a substance is dissolved or dispersed in a given volume — a core calculation for preparing lab solutions, checking water quality against a regulatory limit, or formulating a pharmaceutical dose. Both are mass concentration units.
Formula
grams per gallon = pounds per liter × 1717.03390253
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per liter equals 453.59237 base units, and 1 gram per gallon equals 0.264172052358 base units, so dividing one by the other gives the direct pound per liter-to-gram per gallon factor of 1717.03390253.
Simple example
1 lb/L × 1717.033903 = 1,717.033903 g/gal
1 pound per liter = 1,717.033903 grams per gallon.
Real-world example
100 lb/L × 1717.033903 = 171,703.3903 g/gal
100 pounds per liter = 171,703.3903 grams per gallon.
Conversion table
| Pound per Liter (lb/L) | Gram per Gallon (g/gal) |
|---|---|
| 0.001 lb/L | 1.717033903 g/gal |
| 0.01 lb/L | 17.17033903 g/gal |
| 0.1 lb/L | 171.7033903 g/gal |
| 1 lb/L | 1,717.033903 g/gal |
| 10 lb/L | 17,170.33903 g/gal |
| 100 lb/L | 171,703.3903 g/gal |
Reverse conversion: Gram per Gallon to Pound per Liter
1 g/gal × 0.0005823996827 = 0.0005823997 lb/L
1 gram per gallon = 0.0005823997 pounds per liter.
pounds per liter = grams per gallon × 0.000582399682689
For a page dedicated to this direction, see Gram per Gallon to Pound per Liter.
Understanding the Pound per Liter (lb/L)
Mass concentration.
Understanding the Gram per Gallon (g/gal)
Mass concentration.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per gallon are in 1 pound per liter?
1 pound per liter equals 1,717.033903 grams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per liter to gram per gallon?
Multiply the pound per liter value by 1717.033903. The converter above does this instantly to whatever precision you set.
How do I convert gram per gallon back to pound per liter?
Use the reverse factor: 1 gram per gallon equals 0.0005823997 pounds per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per liter?
Pound per Liter (lb/L) is a unit of chemistry.
What is a gram per gallon?
Gram per Gallon (g/gal) is a unit of chemistry.
Is the pound per liter to gram per gallon conversion exact?
Yes. Both pound per liter and gram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 1717.033903 used above is exact to as many digits as you choose to display.
What's the difference between mass concentration and molarity?
Mass concentration expresses how much mass of a substance is present per unit volume (for example, grams per liter). Molarity expresses the amount in moles per liter instead, which accounts for the substance's molecular weight. This category converts mass-concentration units.