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Grains to Grams Converter

Enter any number of grains and the grams appear as you type. Press ⇄ to swap the direction, and see the step-by-step math under the result.

GrainsFrom

GramsTo

Decimal places

Step-by-step calculation

How to use the Grains to Grams Converter

Type a value in the Grains box. The grams result appears instantly.
Going the other way? Type in the Grams box, or press the ⇄ swap button.
Set the precision with the decimal places menu.
Check the working in the step-by-step box, then press Copy result or click any row in the tables below.

Grains to grams formula

g = gr ÷ 15.43235835

Take the value in grains.
Divide it by 15.43235835 (the number of grains in one gram).

Example: 100 gr ÷ 15.43235835 = 6.47989 g.

Reverse formula (grams to grains): gr = g × 15.43235835. Example: 8.03506 g × 15.43235835 = 124 gr.

Quick mental estimate: divide by about 15. For exact answers use the converter above.

gr to g conversion table (1–100)

Click any row to load it into the converter.

Grains to grams

Grains	Grams
1 gr	0.0648 g
2 gr	0.1296 g
3 gr	0.1944 g
4 gr	0.2592 g
5 gr	0.324 g
6 gr	0.3888 g
7 gr	0.4536 g
8 gr	0.5184 g
9 gr	0.5832 g
10 gr	0.648 g
11 gr	0.7128 g
12 gr	0.7776 g
13 gr	0.8424 g
14 gr	0.9072 g
15 gr	0.972 g
16 gr	1.0368 g
17 gr	1.1016 g
18 gr	1.1664 g
19 gr	1.2312 g
20 gr	1.296 g
21 gr	1.3608 g
22 gr	1.4256 g
23 gr	1.4904 g
24 gr	1.5552 g
25 gr	1.62 g
26 gr	1.6848 g
27 gr	1.7496 g
28 gr	1.8144 g
29 gr	1.8792 g
30 gr	1.944 g
31 gr	2.0088 g
32 gr	2.0736 g
33 gr	2.1384 g
34 gr	2.2032 g
35 gr	2.268 g
36 gr	2.3328 g
37 gr	2.3976 g
38 gr	2.4624 g
39 gr	2.5272 g
40 gr	2.592 g
41 gr	2.6568 g
42 gr	2.7216 g
43 gr	2.7864 g
44 gr	2.8512 g
45 gr	2.916 g
46 gr	2.9807 g
47 gr	3.0455 g
48 gr	3.1103 g
49 gr	3.1751 g
50 gr	3.2399 g
51 gr	3.3047 g
52 gr	3.3695 g
53 gr	3.4343 g
54 gr	3.4991 g
55 gr	3.5639 g
56 gr	3.6287 g
57 gr	3.6935 g
58 gr	3.7583 g
59 gr	3.8231 g
60 gr	3.8879 g
61 gr	3.9527 g
62 gr	4.0175 g
63 gr	4.0823 g
64 gr	4.1471 g
65 gr	4.2119 g
66 gr	4.2767 g
67 gr	4.3415 g
68 gr	4.4063 g
69 gr	4.4711 g
70 gr	4.5359 g
71 gr	4.6007 g
72 gr	4.6655 g
73 gr	4.7303 g
74 gr	4.7951 g
75 gr	4.8599 g
76 gr	4.9247 g
77 gr	4.9895 g
78 gr	5.0543 g
79 gr	5.1191 g
80 gr	5.1839 g
81 gr	5.2487 g
82 gr	5.3135 g
83 gr	5.3783 g
84 gr	5.4431 g
85 gr	5.5079 g
86 gr	5.5727 g
87 gr	5.6375 g
88 gr	5.7023 g
89 gr	5.7671 g
90 gr	5.8319 g
91 gr	5.8967 g
92 gr	5.9615 g
93 gr	6.0263 g
94 gr	6.0911 g
95 gr	6.1559 g
96 gr	6.2207 g
97 gr	6.2855 g
98 gr	6.3503 g
99 gr	6.4151 g
100 gr	6.4799 g

Grams to grains

Grams	Grains
1 g	15.4324 gr
2 g	30.8647 gr
3 g	46.2971 gr
4 g	61.7294 gr
5 g	77.1618 gr
6 g	92.5942 gr
7 g	108.0265 gr
8 g	123.4589 gr
9 g	138.8912 gr
10 g	154.3236 gr
11 g	169.7559 gr
12 g	185.1883 gr
13 g	200.6207 gr
14 g	216.053 gr
15 g	231.4854 gr
16 g	246.9177 gr
17 g	262.3501 gr
18 g	277.7825 gr
19 g	293.2148 gr
20 g	308.6472 gr
21 g	324.0795 gr
22 g	339.5119 gr
23 g	354.9442 gr
24 g	370.3766 gr
25 g	385.809 gr
26 g	401.2413 gr
27 g	416.6737 gr
28 g	432.106 gr
29 g	447.5384 gr
30 g	462.9708 gr
31 g	478.4031 gr
32 g	493.8355 gr
33 g	509.2678 gr
34 g	524.7002 gr
35 g	540.1325 gr
36 g	555.5649 gr
37 g	570.9973 gr
38 g	586.4296 gr
39 g	601.862 gr
40 g	617.2943 gr
41 g	632.7267 gr
42 g	648.1591 gr
43 g	663.5914 gr
44 g	679.0238 gr
45 g	694.4561 gr
46 g	709.8885 gr
47 g	725.3208 gr
48 g	740.7532 gr
49 g	756.1856 gr
50 g	771.6179 gr
51 g	787.0503 gr
52 g	802.4826 gr
53 g	817.915 gr
54 g	833.3474 gr
55 g	848.7797 gr
56 g	864.2121 gr
57 g	879.6444 gr
58 g	895.0768 gr
59 g	910.5091 gr
60 g	925.9415 gr
61 g	941.3739 gr
62 g	956.8062 gr
63 g	972.2386 gr
64 g	987.6709 gr
65 g	1,003.1033 gr
66 g	1,018.5357 gr
67 g	1,033.968 gr
68 g	1,049.4004 gr
69 g	1,064.8327 gr
70 g	1,080.2651 gr
71 g	1,095.6974 gr
72 g	1,111.1298 gr
73 g	1,126.5622 gr
74 g	1,141.9945 gr
75 g	1,157.4269 gr
76 g	1,172.8592 gr
77 g	1,188.2916 gr
78 g	1,203.724 gr
79 g	1,219.1563 gr
80 g	1,234.5887 gr
81 g	1,250.021 gr
82 g	1,265.4534 gr
83 g	1,280.8857 gr
84 g	1,296.3181 gr
85 g	1,311.7505 gr
86 g	1,327.1828 gr
87 g	1,342.6152 gr
88 g	1,358.0475 gr
89 g	1,373.4799 gr
90 g	1,388.9123 gr
91 g	1,404.3446 gr
92 g	1,419.777 gr
93 g	1,435.2093 gr
94 g	1,450.6417 gr
95 g	1,466.074 gr
96 g	1,481.5064 gr
97 g	1,496.9388 gr
98 g	1,512.3711 gr
99 g	1,527.8035 gr
100 g	1,543.2358 gr

Common values

Grains	Grams	Example
1 gr	0.06 g	1 grain
15.43 gr	1 g	1 gram
40 gr	2.59 g	40 gr bullet (.22)
55 gr	3.56 g	55 gr bullet
100 gr	6.48 g	100 gr
124 gr	8.04 g	9 mm bullet (124 gr)
150 gr	9.72 g	150 gr
437.5 gr	28.35 g	1 ounce
7,000 gr	453.59 g	1 pound

About grains and grams

Grains (gr). The grain is exactly 64.79891 milligrams. It is still used for bullets and arrow points and for some medicines; 7,000 grains make one avoirdupois pound.

Grams (g). The gram is a metric mass unit, one thousandth of a kilogram. Food labels, recipes and small items are usually weighed in grams.

Frequently asked questions

How many grams in 1 grain?

One grain equals 0.0647989 grams. Looking at it the other way, one gram is 15.4324 grains.

How do you convert grains to grams?

Divide the number of grains by 15.43235835. For example, 100 gr ÷ 15.43235835 = 6.47989 g.

What is 124 grains in grams?

124 gr is 8.03506 g (9 mm bullet (124 gr)).

How much is 437.5 grains in grams?

437.5 grains equals 28.3495 grams.

How do I convert grams back to grains?

Multiply by 15.43235835, or press the ⇄ swap button above. For example, 8.03506 g × 15.43235835 = 124 gr.

Is a grain related to a gram?

No, despite the similar name. A grain is 64.79891 mg, so there are about 15.43 grains in a gram and exactly 7,000 grains in a pound.

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