Mass per volume density.
Grains per Liter to Stones per Cup Converter — gr/L to st/cup
Convert Grain per Liter (gr/L) to Stone per Cup (st/cup) using the exact conversion factor (1 grain per liter = 0.0000024142 stone per cup). See the formula, worked examples, and conversion table.
Grains per Liter to Stones per Cup converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Mass per volume density.
Result = input x 0.06479891 / 26841.11972.
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 Stones per Cup
Grain per Liter and Stone 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
stones per cup = grains per liter × 0.00000241416567857
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 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct grain per liter-to-stone per cup factor of 0.00000241416567857.
Simple example
1 gr/L × 0.000002414165679 = 0.0000024142 st/cup
1 grain per liter = 0.0000024142 stones per cup.
Real-world example
1,000 gr/L × 0.000002414165679 = 0.0024141657 st/cup
1,000 grains per liter = 0.0024141657 stones per cup.
Conversion table
| Grain per Liter (gr/L) | Stone per Cup (st/cup) |
|---|---|
| 0.1 gr/L | 2.414166e-7 st/cup |
| 1 gr/L | 0.0000024142 st/cup |
| 10 gr/L | 0.0000241417 st/cup |
| 100 gr/L | 0.0002414166 st/cup |
| 1,000 gr/L | 0.0024141657 st/cup |
| 10,000 gr/L | 0.0241416568 st/cup |
Reverse conversion: Stone per Cup to Grain per Liter
0.0000024142 st/cup × 414221.7781 = 1.000014217 gr/L
0.0000024142 stones per cup = 1.000014217 grains per liter.
grains per liter = stones per cup × 414221.778098
For a page dedicated to this direction, see Stone per Cup to Grain per Liter.
Understanding the Grain per Liter (gr/L)
Mass per volume density.
Understanding the Stone per Cup (st/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many stones per cup are in 1 grain per liter?
1 grain per liter equals 0.0000024142 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert grain per liter to stone per cup?
Multiply the grain per liter value by 0.000002414165679. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to grain per liter?
Use the reverse factor: 1 stone per cup equals 414,221.7781 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 stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the grain per liter to stone per cup conversion exact?
Yes. Both grain per liter and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.000002414165679 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.