Mass concentration.
Pounds per Cubic Meter to Grams per Gallon Converter — lb/m3 to g/gal
Convert Pound per Cubic Meter (lb/m3) to Gram per Gallon (g/gal) using the exact conversion factor (1 pound per cubic meter = 1.717033903 gram per gallon). See the formula, worked examples, and conversion table.
Pounds per Cubic Meter to Grams per Gallon converter
Converter
Chemistry Converter
Convert concentration, molarity, amount, and laboratory scientific units by compatible family.
Context values
Some unit families need one extra value for a physically accurate result.
Mass concentration.
Result = input x 0.45359237 / 0.2641720524.
Mass Concentration units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Cubic Meter to Grams per Gallon
Pound per Cubic Meter 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 cubic meter × 1.71703390253
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per cubic meter equals 0.45359237 base units, and 1 gram per gallon equals 0.264172052358 base units, so dividing one by the other gives the direct pound per cubic meter-to-gram per gallon factor of 1.71703390253.
Simple example
1 lb/m3 × 1.717033903 = 1.717033903 g/gal
1 pound per cubic meter = 1.717033903 grams per gallon.
Real-world example
100 lb/m3 × 1.717033903 = 171.7033903 g/gal
100 pounds per cubic meter = 171.7033903 grams per gallon.
Conversion table
| Pound per Cubic Meter (lb/m3) | Gram per Gallon (g/gal) |
|---|---|
| 0.001 lb/m3 | 0.0017170339 g/gal |
| 0.01 lb/m3 | 0.017170339 g/gal |
| 0.1 lb/m3 | 0.1717033903 g/gal |
| 1 lb/m3 | 1.717033903 g/gal |
| 10 lb/m3 | 17.17033903 g/gal |
| 100 lb/m3 | 171.7033903 g/gal |
Reverse conversion: Gram per Gallon to Pound per Cubic Meter
1.717033903 g/gal × 0.5823996827 = 1 lb/m3
1.717033903 grams per gallon = 1 pounds per cubic meter.
pounds per cubic meter = grams per gallon × 0.582399682689
For a page dedicated to this direction, see Gram per Gallon to Pound per Cubic Meter.
Understanding the Pound per Cubic Meter (lb/m3)
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 cubic meter?
1 pound per cubic meter equals 1.717033903 grams per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert pound per cubic meter to gram per gallon?
Multiply the pound per cubic meter value by 1.717033903. The converter above does this instantly to whatever precision you set.
How do I convert gram per gallon back to pound per cubic meter?
Use the reverse factor: 1 gram per gallon equals 0.5823996827 pounds per cubic meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per cubic meter?
Pound per Cubic Meter (lb/m3) 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 cubic meter to gram per gallon conversion exact?
Yes. Both pound per cubic meter and gram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 1.717033903 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.