100 mL to US fluid ounces.
100 mL = 3.38 US fl oz. 100 mL is the TSA liquids rule limit for each liquid container in carry-on bags. The TSA states it as 3.4 oz.
What 100 mL means
- 100 mL is 0.42 US cups, 6.8 US tablespoons, or 20.3 US teaspoons.
- In UK fluid ounces, 100 mL is 3.52 UK fl oz. The UK fl oz is about 4 % smaller.
- 100 mL is 0.100 L.
How to convert
- Divide by 29.5735295625 (the exact mL in one US fl oz): 100 ÷ 29.5735 = 3.38 US fl oz.
To convert the other way, use the US fluid ounces to milliliters converter.
Nearby values
| mL | US fl oz | US cups |
|---|---|---|
| 50 mL | 1.69 | 0.21 |
| 60 mL | 2.03 | 0.25 |
| 70 mL | 2.37 | 0.30 |
| 80 mL | 2.71 | 0.34 |
| 90 mL | 3.04 | 0.38 |
| 100 mL | 3.38 | 0.42 |
| 110 mL | 3.72 | 0.46 |
| 120 mL | 4.06 | 0.51 |
| 130 mL | 4.40 | 0.55 |
| 140 mL | 4.73 | 0.59 |
| 150 mL | 5.07 | 0.63 |
Questions people ask
How many cups is 100 mL?
100 mL is 0.42 US cups. One US cup is 8 US fl oz, or 236.6 mL.
How many tablespoons is 100 mL?
100 mL is 6.8 US tablespoons. One US tablespoon is 14.79 mL.
Can I take 100 mL in a carry-on bag?
Yes, in the US. The TSA liquids rule allows liquid containers of 3.4 oz (100 mL) or less in carry-on bags. All containers must fit in one quart-size bag.
Sources: NIST Handbook 44, Appendix C (US gallon, quart, pint, cup, fluid ounce, tablespoon and teaspoon); UK fluid ounce: Weights and Measures Act 1985; TSA liquids rule.
Sources & verification
Unit definitions used by this converter:
- milliliter: 1 mL = 0.001 L, exact — BIPM SI Brochure, 9th ed.
- fluid ounce (US): 1 floz (US) = 0.0295735295625 L, exact (128 fl oz = 1 gal) — NIST Handbook 44 (2026), Appendix C
Other milliliters to US fluid ounces values
10 mL · 15 mL · 20 mL · 30 mL · 40 mL · 50 mL · 60 mL · 80 mL · 120 mL · 150 mL · 200 mL · 240 mL · 250 mL · 300 mL · 330 mL · 355 mL · 375 mL · 400 mL · 473 mL · 500 mL · 600 mL · 700 mL · 750 mL · 1000 mL