Mass per volume density.
Micrograms per Liter to Gram per Cubic inches Converter — ug/L to g/in3
Convert Microgram per Liter (ug/L) to Gram per Cubic inch (g/in3) using the exact conversion factor (1 microgram per liter = 1.638706e-8 gram per cubic inch). See the formula, worked examples, and conversion table.
Micrograms per Liter to Gram per Cubic inches converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 1e-6 / 61.02374409.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Micrograms per Liter to Gram per Cubic inches
Microgram per Liter and Gram per Cubic inch both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
gram per cubic inches = micrograms per liter × 1.638706e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 microgram per liter equals 0.000001 base units, and 1 gram per cubic inch equals 61.0237440947 base units, so dividing one by the other gives the direct microgram per liter-to-gram per cubic inch factor of 1.638706e-8.
Simple example
1 ug/L × 1.638706e-8 = 1.638706e-8 g/in3
1 microgram per liter = 1.638706e-8 gram per cubic inches.
Real-world example
1,000 ug/L × 1.638706e-8 = 0.0000163871 g/in3
1,000 micrograms per liter = 0.0000163871 gram per cubic inches.
Conversion table
| Microgram per Liter (ug/L) | Gram per Cubic inch (g/in3) |
|---|---|
| 0.1 ug/L | 1.638706e-9 g/in3 |
| 1 ug/L | 1.638706e-8 g/in3 |
| 10 ug/L | 1.638706e-7 g/in3 |
| 100 ug/L | 0.0000016387 g/in3 |
| 1,000 ug/L | 0.0000163871 g/in3 |
| 10,000 ug/L | 0.0001638706 g/in3 |
Reverse conversion: Gram per Cubic inch to Microgram per Liter
1.638706e-8 g/in3 × 61023744.09 = 0.9999997559 ug/L
1.638706e-8 gram per cubic inches = 0.9999997559 micrograms per liter.
micrograms per liter = gram per cubic inches × 61023744.0947
For a page dedicated to this direction, see Gram per Cubic inch to Microgram per Liter.
Understanding the Microgram per Liter (ug/L)
Mass per volume density.
Understanding the Gram per Cubic inch (g/in3)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gram per cubic inches are in 1 microgram per liter?
1 microgram per liter equals 1.638706e-8 gram per cubic inches, using the exact defined conversion factor rather than an estimate.
How do I convert microgram per liter to gram per cubic inch?
Multiply the microgram per liter value by 1.638706e-8. The converter above does this instantly to whatever precision you set.
How do I convert gram per cubic inch back to microgram per liter?
Use the reverse factor: 1 gram per cubic inch equals 61,023,744.09 micrograms per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a microgram per liter?
Microgram per Liter (ug/L) is a unit of density.
What is a gram per cubic inch?
Gram per Cubic inch (g/in3) is a unit of density.
Is the microgram per liter to gram per cubic inch conversion exact?
Yes. Both microgram per liter and gram per cubic inch are defined by fixed standards rather than physical artifacts, so the factor of 1.638706e-8 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.