100 troy ounces are = 3,110.35 grams, use Troy Ounces to Grams calculator to convert weight measurements between troy ounces and grams.

  • 0.5 troy ounces = 0.5 × 31.1034768 = 15.55173840 ≈ 15.5517 grams
  • 10 troy ounces = 10 × 31.1034768 = 311.0347680 ≈ 311.0348 grams
  • 100 troy ounces = 100 × 31.1034768 = 3110.3476800 ≈ 3110.3477 grams

The troy oz is a unit of measure that dates back to the Middle Ages and is still widely used in the precious metals industry today. It’s crucial to note that a troy ounce is different from the more common avoirdupois ounce used in everyday measurements.

Convert Troy Ounces to Grams

Troy Ounces (ozt) toGrams
1 ozt31.10
2 ozt62.20
3 ozt93.30
4 ozt124.40
5 ozt155.50
6 ozt186.60
7 ozt217.70
8 ozt248.80
9 ozt279.90
10 ozt311.00
11 ozt342.10
12 ozt373.20
13 ozt404.30
14 ozt435.40
15 ozt466.50
16 ozt497.60
17 ozt528.70
18 ozt559.80
19 ozt590.90
20 ozt622.00
21 ozt653.10
22 ozt684.20
23 ozt715.30
24 ozt746.40
25 ozt777.50
26 ozt808.60
27 ozt839.70
28 ozt870.80
29 ozt901.90
30 ozt933.00
31 ozt964.10
32 ozt995.20
33 ozt1026.30
34 ozt1057.40
35 ozt1088.50
36 ozt1119.60
37 ozt1150.70
38 ozt1181.80
39 ozt1212.90
40 ozt1244.00
41 ozt1275.10
42 ozt1306.20
43 ozt1337.30
44 ozt1368.40
45 ozt1399.50
46 ozt1430.60
47 ozt1461.70
48 ozt1492.80
49 ozt1523.90
50 ozt1555.00
51 ozt1586.10
52 ozt1617.20
53 ozt1648.30
54 ozt1679.40
55 ozt1710.50
56 ozt1741.60
57 ozt1772.70
58 ozt1803.80
59 ozt1834.90
60 ozt1866.00
61 ozt1897.10
62 ozt1928.20
63 ozt1959.30
64 ozt1990.40
65 ozt2021.50
66 ozt2052.60
67 ozt2083.70
68 ozt2114.80
69 ozt2145.90
70 ozt2177.00
71 ozt2208.10
72 ozt2239.20
73 ozt2270.30
74 ozt2301.40
75 ozt2332.50
76 ozt2363.60
77 ozt2394.70
78 ozt2425.80
79 ozt2456.90
80 ozt2488.00
81 ozt2519.10
82 ozt2550.20
83 ozt2581.30
84 ozt2612.40
85 ozt2643.50
86 ozt2674.60
87 ozt2705.70
88 ozt2736.80
89 ozt2767.90
90 ozt2799.00
91 ozt2830.10
92 ozt2861.20
93 ozt2892.30
94 ozt2923.40
95 ozt2954.50
96 ozt2985.60
97 ozt3016.70
98 ozt3047.80
99 ozt3078.90
100 ozt3110.00

Troy Ounces to Grams Conversion Formula

The conversion formula from troy ounces to grams is straightforward:

1 troy ounce = 31.1034768 grams

To convert troy ounces to grams, you simply multiply the number of troy ounces by 31.1034768. Mathematically, this can be expressed as:

Grams = Troy Ounces × 31.1034768

To convert grams to troy ounces, you divide the number of grams by 31.1034768:

Troy Ounces = Grams ÷ 31.1034768

More Calculators:

How many grams are in a troy?

One troy ounce is equal to 31.1034768 grams. This precise figure is crucial when dealing with precious metals, as even small discrepancies can result in significant value differences.

To put this into perspective:

  • 1 troy ounce ≈ 31.1035 grams (rounded to 4 decimal places)
  • 2 troy ounces ≈ 62.2070 grams
  • 5 troy ounces ≈ 155.5174 grams
  • 10 troy ounces ≈ 311.0348 grams

Why is a troy ounce 31 grams?

The troy ounce weighs approximately 31 grams due to historical reasons and the evolution of measurement systems. The troy system of weights originated in Troyes, France, during the Middle Ages and was widely adopted for use in trade, particularly for precious metals and gemstones.

Several factors contribute to the specific weight of a troy ounce:

  1. Historical standardization: The troy system was developed to ensure consistency in trade, especially for valuable commodities like gold and silver.
  2. Relation to the pound: In the troy system, 12 ounces make up one pound, whereas in the avoirdupois system, 16 ounces make up a pound. This difference contributes to the heavier weight of the troy ounce.
  3. Precision in valuable trades: The slightly heavier weight of the troy ounce allowed for more precise measurements of precious metals, which was crucial given their high value.
  4. International adoption: Over time, the troy ounce became the standard unit for precious metal trade worldwide, cementing its use and specific weight.

While the exact figure of 31.1034768 grams may seem arbitrary, it’s the result of conversions between different historical systems of measurement and the modern metric system.

Troy Ounces to Grams Gold Conversion Chart

Troy Ounces (oz t) toGrams Gold
1 ozt31.1035
2 ozt62.207
3 ozt93.3105
4 ozt124.414
5 ozt155.5175
6 ozt186.621
7 ozt217.7245
8 ozt248.828
9 ozt279.9315
10 ozt311.035
11 ozt342.1385
12 ozt373.242
13 ozt404.3455
14 ozt435.449
15 ozt466.5525
16 ozt497.656
17 ozt528.7595
18 ozt559.863
19 ozt590.9665
20 ozt622.07
25 ozt777.5875
50 ozt1555.175
75 ozt2332.7625
100 ozt3110.35
250 ozt7775.875
500 ozt15551.75
1000 ozt31103.5

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