Density Determines Weight
Because ingredients have different densities, 1 level teaspoon ranges from 2,070 mg (cocoa powder) to 6,703 mg (honey).
Reference Chart
Teaspoon to MG Conversion Chart — Complete Reference Table
Comprehensive teaspoon to milligram (mg) conversion chart for 25+ kitchen ingredients. Instant weight reference for 1/8, 1/4, 1/2, 1 tsp, and 1 tbsp.
Quickly find the exact weight in milligrams (mg) for any teaspoon measurement. Values are based on standard US measuring spoons (4.92892 mL) and USDA bulk density data.
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Use the live search filter below to find exact milligram weights, densities, and volume-to-mass conversions instantly.
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Comprehensive Reference Table
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| Ingredient | Density | 1/8 tsp (mg) | 1/4 tsp (mg) | 1/2 tsp (mg) | 1 tsp (mg) | 1 tbsp (mg) |
|---|---|---|---|---|---|---|
| Water (Baseline Standard) | 1.000 g/mL | 616 mg | 1,232 mg | 2,464 mg | 4,929 mg | 14,787 mg |
| Table Salt (Fine NaCl) | 1.217 g/mL | 750 mg | 1,500 mg | 3,000 mg | 5,998 mg | 17,995 mg |
| Fine Sea Salt | 1.150 g/mL | 708 mg | 1,417 mg | 2,834 mg | 5,668 mg | 17,005 mg |
| Morton Kosher Salt | 0.960 g/mL | 591 mg | 1,183 mg | 2,366 mg | 4,732 mg | 14,195 mg |
| Diamond Crystal Kosher Salt | 0.560 g/mL | 345 mg | 690 mg | 1,380 mg | 2,760 mg | 8,281 mg |
| Granulated White Sugar | 0.845 g/mL | 521 mg | 1,041 mg | 2,083 mg | 4,165 mg | 12,495 mg |
| Brown Sugar (Packed) | 0.930 g/mL | 573 mg | 1,146 mg | 2,292 mg | 4,584 mg | 13,752 mg |
| Powdered / Confectioners Sugar | 0.560 g/mL | 345 mg | 690 mg | 1,380 mg | 2,760 mg | 8,281 mg |
| Pure Honey | 1.360 g/mL | 838 mg | 1,676 mg | 3,352 mg | 6,703 mg | 20,110 mg |
| Maple Syrup (Pure) | 1.320 g/mL | 813 mg | 1,627 mg | 3,253 mg | 6,506 mg | 19,519 mg |
| All-Purpose Flour (Spooned) | 0.529 g/mL | 326 mg | 652 mg | 1,304 mg | 2,607 mg | 7,822 mg |
| Bread Flour | 0.535 g/mL | 330 mg | 659 mg | 1,319 mg | 2,637 mg | 7,911 mg |
| Cake Flour (Sifted) | 0.440 g/mL | 271 mg | 542 mg | 1,084 mg | 2,169 mg | 6,506 mg |
| Almond Flour | 0.460 g/mL | 283 mg | 567 mg | 1,134 mg | 2,267 mg | 6,802 mg |
| Baking Soda (Sodium Bicarb) | 0.974 g/mL | 600 mg | 1,200 mg | 2,400 mg | 4,801 mg | 14,402 mg |
| Baking Powder (Double-Acting) | 0.900 g/mL | 555 mg | 1,109 mg | 2,218 mg | 4,436 mg | 13,308 mg |
| Butter (Solid) | 0.911 g/mL | 561 mg | 1,123 mg | 2,245 mg | 4,490 mg | 13,471 mg |
| Olive Oil / Vegetable Oil | 0.916 g/mL | 564 mg | 1,129 mg | 2,257 mg | 4,515 mg | 13,545 mg |
| Coconut Oil (Melted) | 0.924 g/mL | 569 mg | 1,139 mg | 2,277 mg | 4,554 mg | 13,663 mg |
| Whey Protein Powder | 0.480 g/mL | 296 mg | 591 mg | 1,183 mg | 2,366 mg | 7,098 mg |
| Creatine Monohydrate | 0.811 g/mL | 500 mg | 1,000 mg | 2,000 mg | 3,997 mg | 11,992 mg |
| Cocoa Powder (Unsweetened) | 0.420 g/mL | 259 mg | 518 mg | 1,035 mg | 2,070 mg | 6,210 mg |
| Ground Cinnamon | 0.560 g/mL | 345 mg | 690 mg | 1,380 mg | 2,760 mg | 8,281 mg |
| Ground Turmeric | 0.640 g/mL | 394 mg | 789 mg | 1,577 mg | 3,154 mg | 9,463 mg |
| Ground Black Pepper | 0.580 g/mL | 357 mg | 715 mg | 1,429 mg | 2,859 mg | 8,576 mg |
| Garlic Powder | 0.680 g/mL | 419 mg | 838 mg | 1,676 mg | 3,352 mg | 10,055 mg |
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Measurement Guidelines & Key Principles
Precision in Baking
Using milligram and gram weights prevents the 20-30% measuring error common when packing measuring spoons with flour and powders.
US Customary Standard
All conversions in this chart use the US customary teaspoon definition (1 tsp = 4.92892 mL).
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Type any ingredient name into the filter bar to isolate its weights across all spoon increments.
FAQ
Frequently Asked Questions
Why do different ingredients have different milligram weights in a teaspoon?
A teaspoon measures volume (4.92892 mL). Milligrams measure mass. Because every ingredient has a unique density (mass per unit volume), 1 teaspoon of a dense ingredient like honey weighs over 6,700 mg, while 1 teaspoon of airy cocoa powder weighs only ~2,070 mg.
How many milligrams (mg) are in 1 teaspoon of water?
At room temperature, pure water has a density of 1.000 g/mL, meaning 1 level US teaspoon equals exactly 4,928.92 mg (approximately 4.93 grams).
How do I convert a teaspoon recipe measurement to milligrams?
Multiply the number of teaspoons by 4.92892, then multiply by the ingredient’s density (in g/mL), and finally multiply by 1,000.
Can I print this conversion chart for kitchen use?
Yes! Click the "Print / PDF" button above to generate a printer-friendly reference chart to keep on your refrigerator or inside a recipe binder.
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