Carat per Gallon (ct/gal) expresses mass in carat per unit volume in gallon, found by dividing a mass value by a volume value.
Carat per Gallon to Long ton per Cup
Convert carat per gallon (ct/gal) to long ton per cup (long ton/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 gallon (ct/gal) to long ton per cup (long ton/cup) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
Long ton per Cup (long ton/cup) expresses mass in long ton per unit volume in cup, found by dividing a mass value by a volume value.
long ton/cup = ct/gal × 1.230258e-8
Results update instantly for Carat per Gallon to Long ton per Cup conversions.
Reserved above the conversion cards and below the converter.
Formula
long ton/cup = ct/gal × 1.230258e-8
ct/gal = long ton/cup × 8.128375e7
Conversion table
| 1 ct/gal | 1.230258e-8 long ton/cup |
| 5 ct/gal | 6.151291e-8 long ton/cup |
| 10 ct/gal | 1.230258e-7 long ton/cup |
| 20 ct/gal | 2.460516e-7 long ton/cup |
| 50 ct/gal | 6.151291e-7 long ton/cup |
| 100 ct/gal | 1.230258e-6 long ton/cup |
| 500 ct/gal | 6.151291e-6 long ton/cup |
| 1000 ct/gal | 1.230258e-5 long ton/cup |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
How the formula works
Both carat per gallon and long ton 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 gallon by 1.230258e-8 to get long ton per cup. To reverse the conversion, multiply a long ton per cup value by 8.128375e7 to get back to carat per gallon.
Frequently asked questions
What is Carat per Gallon (ct/gal)?
Carat per Gallon (ct/gal) expresses mass in carat per unit volume in gallon, found by dividing a mass value by a volume value.
What is Long ton per Cup (long ton/cup)?
Long ton per Cup (long ton/cup) expresses mass in long ton per unit volume in cup, found by dividing a mass value by a volume value.
How do I convert carat per gallon to long ton per cup?
Multiply the carat per gallon value by 1.230258e-8 to get the equivalent in long ton per cup. For example, 5 ct/gal × 1.230258e-8 = 6.151291e-8 long ton/cup.
Is this conversion exact?
Yes. Both units are defined using fixed metric and imperial conversion constants, so the factor 1.230258e-8 is an exact, non-rounded value.
Can I convert long ton per cup back to carat per gallon?
Yes. Divide the long ton per cup value by 1.230258e-8, or multiply it by 8.128375e7, to get carat per gallon.
Reserved between the FAQ and the article so the page stays balanced.
About converting carat per gallon to long ton per cup
Carat per Gallon (ct/gal) expresses mass in carat per unit volume in gallon, found by dividing a mass value by a volume value. Long ton per Cup (long ton/cup) expresses mass in long ton per unit volume in cup, found by dividing a mass value by a volume value.
Use this calculator to move between carat per gallon and long ton 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.