Grain (gr) to Carat (kt) converter

Converting from Grain (gr) to Carat (kt) in Weight

What is Grain (gr)

Grain (gr) is a unit of measurement commonly used in the field of jewelry to measure the weight of gemstones and pearls. One grain is equivalent to approximately 0.0648 grams.

What is Carat (kt)

Carat (kt) is another unit used in the jewelry industry to measure the weight of gemstones. One carat is equal to 200 milligrams or 0.2 grams.

Conversion Formulas

To convert from Grain (gr) to Carat (kt), you can use the following formula:

Carats=Grains×0.3157895

Similarly, to convert from Carat (kt) to Grain (gr), you can use:

Grains=Carats×3.166667

Examples

  1. Converting 9 grains to carats:

Carats=9×0.3157895=2.842105kt

  1. Converting 13 grains to carats:

Carats=13×0.3157895=4.105263kt

  1. Converting 15 grains to carats:

Carats=15×0.3157895=4.736842kt

For the reverse conversions:

  1. Converting 9 carats to grains:

Grains=9×3.166667=28.5gr

  1. Converting 13 carats to grains:

Grains=13×3.166667=41.16667gr

  1. Converting 15 carats to grains:

Grains=15×3.166667=47.5gr

Use this guide to easily switch between Grain (gr) and Carat (kt) measurements when working with gemstones or jewelry.

Grain to Carat conversion table

gr to kt conversion table

Grain (gr)Carat (kt)
0.01 gr0.003157895 kt
0.1 gr0.03157895 kt
1 gr0.3157895 kt
2 gr0.6315789 kt
3 gr0.9473684 kt
4 gr1.263158 kt
5 gr1.578947 kt
6 gr1.894737 kt
7 gr2.210526 kt
8 gr2.526316 kt
9 gr2.842105 kt
10 gr3.157895 kt
10 gr3.157895 kt
20 gr6.315789 kt
30 gr9.473684 kt
40 gr12.63158 kt
50 gr15.78947 kt
60 gr18.94737 kt
70 gr22.10526 kt
80 gr25.26316 kt
90 gr28.42105 kt
100 gr31.57895 kt
1 000 gr315.7895 kt
2 000 gr631.5789 kt
3 000 gr947.3684 kt
4 000 gr1 263.158 kt
5 000 gr1 578.947 kt
6 000 gr1 894.737 kt
7 000 gr2 210.526 kt
8 000 gr2 526.316 kt
9 000 gr2 842.105 kt
10 000 gr3 157.895 kt