Convert carat to grain (troy)
Here you can quickly calculate how many grain (troy) fit in one carat.
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tonne
t
kilonewton
kN
centner
centner
kilogram
kg
gram
g
centigram
cg
milligram
mg
microgram
µg
nanogram
ng
long ton
long ton
short ton
short ton
long hundredweight
cwt (long)
short hundredweight
cwt (short)
stone
st
pound
lb
ounce
oz
dram
dr
grain
gr
pound (troy)
lb t
ounce (troy)
oz t
pennyweight
dwt
carat (troy)
ct t
grain (troy)
gr t
mite
mite
doite
doite
- scroll: formula · table · questions -
- 1 ct = 3.086472 gr t
- 1 gr t = 0.323995 ct
Example: carat to grain (troy)
- 1 carat = 3.086472 grain (troy)
Carat to grain (troy) conversion table
| carat | grain (troy) |
|---|---|
| 1 | 3.086472 |
| 2 | 6.172943 |
| 5 | 15.432358 |
| 10 | 30.864717 |
| 20 | 61.729433 |
| 50 | 154.323584 |
| 100 | 308.647167 |
Carat to grain (troy) formula
To convert carat to grain (troy), multiply by 3.086472.
1 ct = 3.086472 gr t
Example: 1 carat = 3.086472 grain (troy)
Common mass conversion mistakes
-
The carat used for gemstones is a unit of mass: exactly 0.2 g, so a 5-carat diamond weighs 1 gram. The karat used for gold is something else entirely, a purity scale where 24k is pure gold and 18k is 75% gold. The two cannot be converted into each other.
Quick carat and grain (troy) conversion quiz
Score:
0
20.4 grain (troy) equals 6.61 carat.
Correct answer: 20.4 grain (troy) = 6.61 carat.
13.1 grain (troy) equals 3.61 carat.
Correct answer: 13.1 grain (troy) = 4.24 carat.
1.4 carat equals 3.89 grain (troy).
Correct answer: 1.4 carat = 4.32 grain (troy).