Grams to Ounces Converter
Save on GoogleTip: type a weight in grams, then pick ounces or troy ounces. Several values (new line, space or semicolon) and decimals like 12.5 or 12,5 also work. Several values (new line, space or semicolon) and decimals like 12.5 or 12,5 also work.
Output appears here
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Example 1: Convert 100 Grams to Ounces
| Step | Calculation | Result |
|---|---|---|
| 1. Divide by 28.349523125 | 100 / 28.349523125 | 3.52739619 oz |
| 2. Round to 4 decimals | 3.52739619 oz | 3.5274 oz |
| 3. Other ounce | 100 / 31.1034768 | 3.21507466 ozt |
100 g = 3.5274 oz = about 3 1/2 oz.
Example 2: Convert 100 Grams to Troy Ounces
| Step | Calculation | Result |
|---|---|---|
| 1. Divide by 31.1034768 | 100 / 31.1034768 | 3.21507466 ozt |
| 2. Round to 4 decimals | 3.21507466 ozt | 3.2151 ozt |
| 3. Other ounce | 100 / 28.349523125 | 3.52739619 oz |
100 g = 3.2151 troy ounces, the figure used for gold and silver.
Grams to Ounces Standard Kitchen Table (1 g to 500 g)
| Grams (g) | Ounces (oz, 4 decimals) | Ounces (nearest 1/16 fraction) | Ounces (oz, 6 decimals) |
|---|---|---|---|
| 1 | 0.0353 | 1/16 | 0.035274 |
| 2 | 0.0705 | 1/16 | 0.070548 |
| 5 | 0.1764 | 3/16 | 0.176370 |
| 10 | 0.3527 | 3/8 | 0.352740 |
| 15 | 0.5291 | 1/2 | 0.529109 |
| 20 | 0.7055 | 11/16 | 0.705479 |
| 25 | 0.8818 | 7/8 | 0.881849 |
| 28.35 | 1.0000 | 1 | 1.000017 |
| 30 | 1.0582 | 1 1/16 | 1.058219 |
| 40 | 1.4110 | 1 7/16 | 1.410958 |
| 50 | 1.7637 | 1 3/4 | 1.763698 |
| 60 | 2.1164 | 2 1/8 | 2.116438 |
| 75 | 2.6455 | 2 5/8 | 2.645547 |
| 100 | 3.5274 | 3 1/2 | 3.527396 |
| 125 | 4.4092 | 4 7/16 | 4.409245 |
| 150 | 5.2911 | 5 5/16 | 5.291094 |
| 175 | 6.1729 | 6 3/16 | 6.172943 |
| 200 | 7.0548 | 7 1/16 | 7.054792 |
| 225 | 7.9366 | 7 15/16 | 7.936641 |
| 250 | 8.8185 | 8 13/16 | 8.818490 |
| 300 | 10.5822 | 10 9/16 | 10.582189 |
| 350 | 12.3459 | 12 3/8 | 12.345887 |
| 400 | 14.1096 | 14 1/8 | 14.109585 |
| 450 | 15.8733 | 15 7/8 | 15.873283 |
| 500 | 17.6370 | 17 5/8 | 17.636981 |
Precious Metals: Troy Ounce vs Avoirdupois Ounce Matrix
| Grams (g) | Ounces (oz) | Troy Ounces (ozt) | Difference (oz - ozt) |
|---|---|---|---|
| 1 | 0.0353 | 0.0322 | 0.0031 |
| 5 | 0.1764 | 0.1608 | 0.0156 |
| 10 | 0.3527 | 0.3215 | 0.0312 |
| 20 | 0.7055 | 0.6430 | 0.0625 |
| 31.1035 | 1.0971 | 1.0000 | 0.0971 |
| 50 | 1.7637 | 1.6075 | 0.1562 |
| 100 | 3.5274 | 3.2151 | 0.3123 |
| 250 | 8.8185 | 8.0377 | 0.7808 |
| 500 | 17.6370 | 16.0754 | 1.5616 |
| 1000 | 35.2740 | 32.1507 | 3.1232 |
Gold, silver and platinum are weighed in troy ounces (31.1034768 g). Kitchen, postal and food weights use the avoirdupois ounce (28.349523125 g).
Troy Ounces to Grams (Common Bullion Sizes)
| Troy Ounces (ozt) | Grams (g, 2 decimals) | Grams (g, exact) | |
|---|---|---|---|
| 1/10 troy ounce | 0.1 | 3.11 | 3.11034768 |
| 1/4 troy ounce | 0.25 | 7.78 | 7.7758692 |
| 1/2 troy ounce | 0.5 | 15.55 | 15.5517384 |
| 1 troy ounce | 1 | 31.10 | 31.1034768 |
| 2 troy ounces | 2 | 62.21 | 62.2069536 |
| 5 troy ounces | 5 | 155.52 | 155.517384 |
| 10 troy ounces | 10 | 311.03 | 311.034768 |
| 20 troy ounces | 20 | 622.07 | 622.069536 |
| 100 troy ounces | 100 | 3110.35 | 3110.34768 |
| 400 troy ounces (large bar) | 400 | 12441.39 | 12441.39072 |
Ounces to Grams for Recipes and Shipping
| Ounces (oz) | Grams (g, 2 decimals) | Grams (g, whole number) |
|---|---|---|
| 0.25 | 7.09 | 7 |
| 0.5 | 14.17 | 14 |
| 1 | 28.35 | 28 |
| 2 | 56.70 | 57 |
| 3 | 85.05 | 85 |
| 3.5 | 99.22 | 99 |
| 4 | 113.40 | 113 |
| 5 | 141.75 | 142 |
| 6 | 170.10 | 170 |
| 8 | 226.80 | 227 |
| 10 | 283.50 | 283 |
| 12 | 340.19 | 340 |
| 13 | 368.54 | 369 |
| 16 | 453.59 | 454 |
Grams to Ounces and Troy Ounces Chart (1 g to 100 g)
| Grams (g) | Ounces (oz) | Troy Ounces (ozt) |
|---|---|---|
| 1 | 0.0353 | 0.0322 |
| 2 | 0.0705 | 0.0643 |
| 3 | 0.1058 | 0.0965 |
| 4 | 0.1411 | 0.1286 |
| 5 | 0.1764 | 0.1608 |
| 6 | 0.2116 | 0.1929 |
| 7 | 0.2469 | 0.2251 |
| 8 | 0.2822 | 0.2572 |
| 9 | 0.3175 | 0.2894 |
| 10 | 0.3527 | 0.3215 |
| 11 | 0.3880 | 0.3537 |
| 12 | 0.4233 | 0.3858 |
| 13 | 0.4586 | 0.4180 |
| 14 | 0.4938 | 0.4501 |
| 15 | 0.5291 | 0.4823 |
| 16 | 0.5644 | 0.5144 |
| 17 | 0.5997 | 0.5466 |
| 18 | 0.6349 | 0.5787 |
| 19 | 0.6702 | 0.6109 |
| 20 | 0.7055 | 0.6430 |
| 21 | 0.7408 | 0.6752 |
| 22 | 0.7760 | 0.7073 |
| 23 | 0.8113 | 0.7395 |
| 24 | 0.8466 | 0.7716 |
| 25 | 0.8818 | 0.8038 |
| 26 | 0.9171 | 0.8359 |
| 27 | 0.9524 | 0.8681 |
| 28 | 0.9877 | 0.9002 |
| 29 | 1.0229 | 0.9324 |
| 30 | 1.0582 | 0.9645 |
| 31 | 1.0935 | 0.9967 |
| 32 | 1.1288 | 1.0288 |
| 33 | 1.1640 | 1.0610 |
| 34 | 1.1993 | 1.0931 |
| 35 | 1.2346 | 1.1253 |
| 36 | 1.2699 | 1.1574 |
| 37 | 1.3051 | 1.1896 |
| 38 | 1.3404 | 1.2217 |
| 39 | 1.3757 | 1.2539 |
| 40 | 1.4110 | 1.2860 |
| 41 | 1.4462 | 1.3182 |
| 42 | 1.4815 | 1.3503 |
| 43 | 1.5168 | 1.3825 |
| 44 | 1.5521 | 1.4146 |
| 45 | 1.5873 | 1.4468 |
| 46 | 1.6226 | 1.4789 |
| 47 | 1.6579 | 1.5111 |
| 48 | 1.6932 | 1.5432 |
| 49 | 1.7284 | 1.5754 |
| 50 | 1.7637 | 1.6075 |
| 51 | 1.7990 | 1.6397 |
| 52 | 1.8342 | 1.6718 |
| 53 | 1.8695 | 1.7040 |
| 54 | 1.9048 | 1.7361 |
| 55 | 1.9401 | 1.7683 |
| 56 | 1.9753 | 1.8004 |
| 57 | 2.0106 | 1.8326 |
| 58 | 2.0459 | 1.8647 |
| 59 | 2.0812 | 1.8969 |
| 60 | 2.1164 | 1.9290 |
| 61 | 2.1517 | 1.9612 |
| 62 | 2.1870 | 1.9933 |
| 63 | 2.2223 | 2.0255 |
| 64 | 2.2575 | 2.0576 |
| 65 | 2.2928 | 2.0898 |
| 66 | 2.3281 | 2.1219 |
| 67 | 2.3634 | 2.1541 |
| 68 | 2.3986 | 2.1863 |
| 69 | 2.4339 | 2.2184 |
| 70 | 2.4692 | 2.2506 |
| 71 | 2.5045 | 2.2827 |
| 72 | 2.5397 | 2.3149 |
| 73 | 2.5750 | 2.3470 |
| 74 | 2.6103 | 2.3792 |
| 75 | 2.6455 | 2.4113 |
| 76 | 2.6808 | 2.4435 |
| 77 | 2.7161 | 2.4756 |
| 78 | 2.7514 | 2.5078 |
| 79 | 2.7866 | 2.5399 |
| 80 | 2.8219 | 2.5721 |
| 81 | 2.8572 | 2.6042 |
| 82 | 2.8925 | 2.6364 |
| 83 | 2.9277 | 2.6685 |
| 84 | 2.9630 | 2.7007 |
| 85 | 2.9983 | 2.7328 |
| 86 | 3.0336 | 2.7650 |
| 87 | 3.0688 | 2.7971 |
| 88 | 3.1041 | 2.8293 |
| 89 | 3.1394 | 2.8614 |
| 90 | 3.1747 | 2.8936 |
| 91 | 3.2099 | 2.9257 |
| 92 | 3.2452 | 2.9579 |
| 93 | 3.2805 | 2.9900 |
| 94 | 3.3158 | 3.0222 |
| 95 | 3.3510 | 3.0543 |
| 96 | 3.3863 | 3.0865 |
| 97 | 3.4216 | 3.1186 |
| 98 | 3.4568 | 3.1508 |
| 99 | 3.4921 | 3.1829 |
| 100 | 3.5274 | 3.2151 |
Technical Q&A / FAQ Matrix
| Technical Developer Question | Exact Solution & Code Snippet |
|---|---|
| How do I convert grams to ounces in JavaScript? | (100 / 28.349523125).toFixed(4) // 3.5274 |
| How do I convert grams to ounces in Python? | round(100 / 28.349523125, 4) # 3.5274 |
| How do I convert grams to ounces in Go? | fmt.Printf("%.4f\n", 100/28.349523125) |
| How do I convert grams to ounces in Java? | System.out.printf("%.4f%n", 100 / 28.349523125); |
| How do I convert grams to ounces in C#? | Console.WriteLine((100 / 28.349523125).ToString("F4")); |
| How do I convert grams to ounces in PHP? | echo round(100 / 28.349523125, 4); |
| How do I convert grams to ounces in Rust? | println!("{:.4}", 100.0_f64 / 28.349523125); |
| How do I convert grams to ounces on Linux? | awk 'BEGIN { printf "%.4f\n", 100 / 28.349523125 }' |
| How do I convert grams to troy ounces in JavaScript? | (100 / 31.1034768).toFixed(4) // 3.2151 |
| How do I convert grams to troy ounces in Python? | round(100 / 31.1034768, 4) # 3.2151 |
| How do I convert grams to ounces by hand? | Divide by 28.349523125, or multiply by about 0.035274. For example 100 g = 3.5274 oz. A quick estimate is to divide by 28. |
| How do I convert ounces to grams by hand? | Multiply by 28.349523125. For example 4 oz = 113.3981 g (113.3980925 g exactly). |
| Why is the factor 0.03527396195 not exact? | The exact definition is 1 oz = 28.349523125 g, so 1 g = 0.0352739619495804... oz. The value 0.03527396195 is that number rounded. This tool divides by 28.349523125 so it stays exact. The troy factor 0.0321507 is also rounded (exactly 1 / 31.1034768 = 0.0321507465...). |
| What is the difference between an ounce and a troy ounce? | An avoirdupois ounce is 28.349523125 g and a troy ounce is 31.1034768 g, about 9.7 percent heavier. Troy ounces are used for gold, silver and platinum. |
| How many grams are in a kilogram in troy ounces? | 1000 g = 32.1507 troy ounces (and 35.2740 ounces). |
| Why does code show 0.30000000000000004 for 0.1 + 0.2? | Floating-point numbers store binary approximations of decimals. Round for display, for example (100 / 28.349523125).toFixed(4) gives 3.5274. This tool uses exact decimal math, so it never shows that error. |