Weight Converter
Grams to Milligrams with a fast local calculator, clear formula, and practical examples.
Quick answer
Convert Grams to Milligrams using the formula shown below. This weight converter is useful for recipes, shipping, nutrition labels, workouts, and product weights.
Weight
Try common values
Unit relationship: 1 g = 1,000 mg and 1 mg = 0.001 g.
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Useful for recipes, shipping, fitness, product labels, and quick mass checks.
Unit scale
Compare the same mass across metric and imperial units.
| Unit | Value |
|---|---|
| Metric Tonnes(t) | 0.000001 |
| US Short Tons(short ton) | 0.000001 |
| Kilograms(kg) | 0.001 |
| Stone(stone) | 0.000157 |
| Pounds(lb) | 0.002205 |
| Ounces(oz) | 0.035274 |
| Carats(ct) | 5 |
| Grains(gr) | 15.432358 |
| Grams(g) | 1 |
| Milligrams(mg) | 1,000 |
| Micrograms(mcg) | 1,000,000 |
milligrams = grams x 1000
This calculator uses the standard conversion formula and rounds the final answer to 4 decimal places.
Formula explorer
1. Formula
milligrams = grams x 1000
2. Worked example
0.1 g = 100 mg
Start with 0.1 grams, apply the formula, then round the result.
3. Reverse check
MG to G Converter
Use the reverse converter to check the answer or go from milligrams back to grams.
This conversion multiplies the grams value by the factor shown in the formula to get milligrams.
Use this converter when you need a quick answer for everyday measurements, unit comparisons, worksheets, recipes, product listings, travel planning, or project notes.
For best results, enter the numeric value only. The conversion runs locally in your browser.
Student mode
Get a short classroom-style explanation. If AI is not configured, EasyConvertAll uses a local explanation.
Unit encyclopedia
Use a scale that matches the object size and the level of accuracy you need.
For small weights, use grams or ounces on a kitchen scale. For parcels, check the shipping carrier's rounding rules.
| Grams | Milligrams |
|---|---|
| 0.1 g | 100 mg |
| 0.5 g | 500 mg |
| 1 g | 1,000 mg |
| 2 g | 2,000 mg |
| 5 g | 5,000 mg |
| 10 g | 10,000 mg |
Printable conversion table
Scan common values, print the table, copy it, or download a CSV for worksheets, notes, spreadsheets, and quick reference.
| Grams (g) | Milligrams (mg) |
|---|---|
| 1 g | 1,000 mg |
| 2 g | 2,000 mg |
| 3 g | 3,000 mg |
| 4 g | 4,000 mg |
| 5 g | 5,000 mg |
| 6 g | 6,000 mg |
| 7 g | 7,000 mg |
| 8 g | 8,000 mg |
| 9 g | 9,000 mg |
| 10 g | 10,000 mg |
| 11 g | 11,000 mg |
| 12 g | 12,000 mg |
| 13 g | 13,000 mg |
| 14 g | 14,000 mg |
| 15 g | 15,000 mg |
| 16 g | 16,000 mg |
| 17 g | 17,000 mg |
| 18 g | 18,000 mg |
| 19 g | 19,000 mg |
| 20 g | 20,000 mg |
| 21 g | 21,000 mg |
| 22 g | 22,000 mg |
| 23 g | 23,000 mg |
| 24 g | 24,000 mg |
| 25 g | 25,000 mg |
| 26 g | 26,000 mg |
| 27 g | 27,000 mg |
| 28 g | 28,000 mg |
| 29 g | 29,000 mg |
| 30 g | 30,000 mg |
| 31 g | 31,000 mg |
| 32 g | 32,000 mg |
| 33 g | 33,000 mg |
| 34 g | 34,000 mg |
| 35 g | 35,000 mg |
| 36 g | 36,000 mg |
| 37 g | 37,000 mg |
| 38 g | 38,000 mg |
| 39 g | 39,000 mg |
| 40 g | 40,000 mg |
| 41 g | 41,000 mg |
| 42 g | 42,000 mg |
| 43 g | 43,000 mg |
| 44 g | 44,000 mg |
| 45 g | 45,000 mg |
| 46 g | 46,000 mg |
| 47 g | 47,000 mg |
| 48 g | 48,000 mg |
| 49 g | 49,000 mg |
| 50 g | 50,000 mg |
| 51 g | 51,000 mg |
| 52 g | 52,000 mg |
| 53 g | 53,000 mg |
| 54 g | 54,000 mg |
| 55 g | 55,000 mg |
| 56 g | 56,000 mg |
| 57 g | 57,000 mg |
| 58 g | 58,000 mg |
| 59 g | 59,000 mg |
| 60 g | 60,000 mg |
| 61 g | 61,000 mg |
| 62 g | 62,000 mg |
| 63 g | 63,000 mg |
| 64 g | 64,000 mg |
| 65 g | 65,000 mg |
| 66 g | 66,000 mg |
| 67 g | 67,000 mg |
| 68 g | 68,000 mg |
| 69 g | 69,000 mg |
| 70 g | 70,000 mg |
| 71 g | 71,000 mg |
| 72 g | 72,000 mg |
| 73 g | 73,000 mg |
| 74 g | 74,000 mg |
| 75 g | 75,000 mg |
| 76 g | 76,000 mg |
| 77 g | 77,000 mg |
| 78 g | 78,000 mg |
| 79 g | 79,000 mg |
| 80 g | 80,000 mg |
| 81 g | 81,000 mg |
| 82 g | 82,000 mg |
| 83 g | 83,000 mg |
| 84 g | 84,000 mg |
| 85 g | 85,000 mg |
| 86 g | 86,000 mg |
| 87 g | 87,000 mg |
| 88 g | 88,000 mg |
| 89 g | 89,000 mg |
| 90 g | 90,000 mg |
| 91 g | 91,000 mg |
| 92 g | 92,000 mg |
| 93 g | 93,000 mg |
| 94 g | 94,000 mg |
| 95 g | 95,000 mg |
| 96 g | 96,000 mg |
| 97 g | 97,000 mg |
| 98 g | 98,000 mg |
| 99 g | 99,000 mg |
| 100 g | 100,000 mg |
Use the formula milligrams = grams x 1000. Enter a value in the calculator above to get a rounded result instantly.
Yes. The conversion runs locally in your browser, with no account, database, or paid API.
Results are rounded to 4 decimal places for a practical balance of accuracy and readability.