Carat per Imperial gallon (ct/imp gal) expresses mass in carat per unit volume in imperial gallon, found by dividing a mass value by a volume value.
Carat per Imperial gallon to Stone per Cup
Convert carat per imperial gallon (ct/imp gal) to stone per cup (st/cup) instantly with formula, conversion table, and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Density calculator
Density Converter
Convert carat per imperial gallon (ct/imp gal) to stone per cup (st/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
st/cup = ct/imp gal × 1.639047e-6
Results update instantly for Carat per Imperial gallon to Stone per Cup conversions.
Reserved above the conversion cards and below the converter.
Formula
st/cup = ct/imp gal × 1.639047e-6
ct/imp gal = st/cup × 610110.729716
Conversion table
| 1 ct/imp gal | 1.639047e-6 st/cup |
| 5 ct/imp gal | 8.195234e-6 st/cup |
| 10 ct/imp gal | 1.639047e-5 st/cup |
| 20 ct/imp gal | 3.278093e-5 st/cup |
| 50 ct/imp gal | 8.195234e-5 st/cup |
| 100 ct/imp gal | 0.000164 st/cup |
| 500 ct/imp gal | 0.00082 st/cup |
| 1000 ct/imp gal | 0.001639 st/cup |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both carat per imperial gallon and stone per cup measure the same physical quantity (mass per unit volume), so converting between them is a single multiplication. Multiply a value in carat per imperial gallon by 1.639047e-6 to get stone per cup. To reverse the conversion, multiply a stone per cup value by 610110.729716 to get back to carat per imperial gallon.
Frequently asked questions
What is Carat per Imperial gallon (ct/imp gal)?
Carat per Imperial gallon (ct/imp gal) expresses mass in carat per unit volume in imperial gallon, found by dividing a mass value by a volume value.
What is Stone per Cup (st/cup)?
Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert carat per imperial gallon to stone per cup?
Multiply the carat per imperial gallon value by 1.639047e-6 to get the equivalent in stone per cup. For example, 5 ct/imp gal × 1.639047e-6 = 8.195234e-6 st/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 1.639047e-6 is an exact, non-rounded value.
Can I convert stone per cup back to carat per imperial gallon?
Yes. Divide the stone per cup value by 1.639047e-6, or multiply it by 610110.729716, to get carat per imperial gallon.
Reserved between the FAQ and the article so the page stays balanced.
About converting carat per imperial gallon to stone per cup
Carat per Imperial gallon (ct/imp gal) expresses mass in carat per unit volume in imperial gallon, found by dividing a mass value by a volume value. Stone per Cup (st/cup) expresses mass in stone per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between carat per imperial gallon and stone per cup accurately for science, engineering, manufacturing, or everyday density calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.