Mass per volume density.
Grams per Imperial gallon to Stones per Cup Converter — g/imp gal to st/cup
Convert Gram per Imperial gallon (g/imp gal) to Stone per Cup (st/cup) using the exact conversion factor (1 gram per imperial gallon = 0.0000081952 stone per cup). See the formula, worked examples, and conversion table.
Grams per Imperial gallon to Stones 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 0.2199692483 / 26841.11972.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grams per Imperial gallon to Stones per Cup
Gram per Imperial gallon 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 = grams per imperial gallon × 0.00000819523367885
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per imperial gallon equals 0.219969248299 base units, and 1 stone per cup equals 26841.119719 base units, so dividing one by the other gives the direct gram per imperial gallon-to-stone per cup factor of 0.00000819523367885.
Simple example
1 g/imp gal × 0.000008195233679 = 0.0000081952 st/cup
1 gram per imperial gallon = 0.0000081952 stones per cup.
Real-world example
1,000 g/imp gal × 0.000008195233679 = 0.0081952337 st/cup
1,000 grams per imperial gallon = 0.0081952337 stones per cup.
Conversion table
| Gram per Imperial gallon (g/imp gal) | Stone per Cup (st/cup) |
|---|---|
| 0.1 g/imp gal | 8.195234e-7 st/cup |
| 1 g/imp gal | 0.0000081952 st/cup |
| 10 g/imp gal | 0.0000819523 st/cup |
| 100 g/imp gal | 0.0008195234 st/cup |
| 1,000 g/imp gal | 0.0081952337 st/cup |
| 10,000 g/imp gal | 0.0819523368 st/cup |
Reverse conversion: Stone per Cup to Gram per Imperial gallon
0.0000081952 st/cup × 122022.1459 = 0.9999958904 g/imp gal
0.0000081952 stones per cup = 0.9999958904 grams per imperial gallon.
grams per imperial gallon = stones per cup × 122022.145943
For a page dedicated to this direction, see Stone per Cup to Gram per Imperial gallon.
Understanding the Gram per Imperial gallon (g/imp gal)
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 gram per imperial gallon?
1 gram per imperial gallon equals 0.0000081952 stones per cup, using the exact defined conversion factor rather than an estimate.
How do I convert gram per imperial gallon to stone per cup?
Multiply the gram per imperial gallon value by 0.000008195233679. The converter above does this instantly to whatever precision you set.
How do I convert stone per cup back to gram per imperial gallon?
Use the reverse factor: 1 stone per cup equals 122,022.1459 grams per imperial gallon. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per imperial gallon?
Gram per Imperial gallon (g/imp gal) is a unit of density.
What is a stone per cup?
Stone per Cup (st/cup) is a unit of density.
Is the gram per imperial gallon to stone per cup conversion exact?
Yes. Both gram per imperial gallon and stone per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.000008195233679 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.