Mass per volume density.
Grains per Liter to Ounces per Cup Converter — gr/L to oz/cup
Convert Grain per Liter (gr/L) to Ounce per Cup (oz/cup) using the exact conversion factor (1 grain per liter = 0.0005407731 ounce per cup). See the formula, worked examples, and conversion table.
Grains per Liter to Ounces per Cup 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 0.06479891 / 119.8264273.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains per Liter to Ounces per Cup
Grain per Liter and Ounce per Cup 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
ounces per cup = grains per liter × 0.000540773112
This factor comes from each unit's defined relationship to the category's base unit: 1 grain per liter equals 0.06479891 base units, and 1 ounce per cup equals 119.826427317 base units, so dividing one by the other gives the direct grain per liter-to-ounce per cup factor of 0.000540773112.
Simple example
1 gr/L × 0.000540773112 = 0.0005407731 oz/cup
1 grain per liter = 0.0005407731 ounces per cup.
Real-world example
1,000 gr/L × 0.000540773112 = 0.540773112 oz/cup
1,000 grains per liter = 0.540773112 ounces per cup.
Conversion table
| Grain per Liter (gr/L) | Ounce per Cup (oz/cup) |
|---|---|
| 0.1 gr/L | 0.0000540773 oz/cup |
| 1 gr/L | 0.0005407731 oz/cup |
| 10 gr/L | 0.0054077311 oz/cup |
| 100 gr/L | 0.0540773112 oz/cup |
| 1,000 gr/L | 0.540773112 oz/cup |
| 10,000 gr/L | 5.40773112 oz/cup |
Reverse conversion: Ounce per Cup to Grain per Liter
0.0005407731 oz/cup × 1849.204367 = 0.9999999778 gr/L
0.0005407731 ounces per cup = 0.9999999778 grains per liter.
grains per liter = ounces per cup × 1849.20436651
For a page dedicated to this direction, see Ounce per Cup to Grain per Liter.
Understanding the Grain per Liter (gr/L)
Mass per volume density.
Understanding the Ounce per Cup (oz/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per cup are in 1 grain per liter?
1 grain per liter equals 0.0005407731 ounces per cup, using the exact defined conversion factor rather than an estimate.
How do I convert grain per liter to ounce per cup?
Multiply the grain per liter value by 0.000540773112. The converter above does this instantly to whatever precision you set.
How do I convert ounce per cup back to grain per liter?
Use the reverse factor: 1 ounce per cup equals 1,849.204367 grains per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain per liter?
Grain per Liter (gr/L) is a unit of density.
What is a ounce per cup?
Ounce per Cup (oz/cup) is a unit of density.
Is the grain per liter to ounce per cup conversion exact?
Yes. Both grain per liter and ounce per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.000540773112 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.