| canadian teaspoon | 1 tsp(CA) | 2 tsp(CA) | 3 tsp(CA) | 4 tsp(CA) | 5 tsp(CA) | 6 tsp(CA) | 7 tsp(CA) | 8 tsp(CA) | 9 tsp(CA) | 10 tsp(CA) | 11 tsp(CA) | 12 tsp(CA) | 13 tsp(CA) | 14 tsp(CA) | 15 tsp(CA) | 16 tsp(CA) | 17 tsp(CA) | 18 tsp(CA) | 19 tsp(CA) | 20 tsp(CA) | 21 tsp(CA) | 22 tsp(CA) | 23 tsp(CA) | 24 tsp(CA) | 25 tsp(CA) | 26 tsp(CA) | 27 tsp(CA) | 28 tsp(CA) | 29 tsp(CA) | 30 tsp(CA) | 31 tsp(CA) | 32 tsp(CA) | 33 tsp(CA) | 34 tsp(CA) | 35 tsp(CA) | 36 tsp(CA) | 37 tsp(CA) | 38 tsp(CA) | 39 tsp(CA) | 40 tsp(CA) | 41 tsp(CA) | 42 tsp(CA) | 43 tsp(CA) | 44 tsp(CA) | 45 tsp(CA) | 46 tsp(CA) | 47 tsp(CA) | 48 tsp(CA) | 49 tsp(CA) | 50 tsp(CA) | 51 tsp(CA) | 52 tsp(CA) | 53 tsp(CA) | 54 tsp(CA) | 55 tsp(CA) | 56 tsp(CA) | 57 tsp(CA) | 58 tsp(CA) | 59 tsp(CA) | 60 tsp(CA) | 61 tsp(CA) | 62 tsp(CA) | 63 tsp(CA) | 64 tsp(CA) | 65 tsp(CA) | 66 tsp(CA) | 67 tsp(CA) | 68 tsp(CA) | 69 tsp(CA) | 70 tsp(CA) | 71 tsp(CA) | 72 tsp(CA) | 73 tsp(CA) | 74 tsp(CA) | 75 tsp(CA) | 76 tsp(CA) | 77 tsp(CA) | 78 tsp(CA) | 79 tsp(CA) | 80 tsp(CA) | 81 tsp(CA) | 82 tsp(CA) | 83 tsp(CA) | 84 tsp(CA) | 85 tsp(CA) | 86 tsp(CA) | 87 tsp(CA) | 88 tsp(CA) | 89 tsp(CA) | 90 tsp(CA) | 91 tsp(CA) | 92 tsp(CA) | 93 tsp(CA) | 94 tsp(CA) | 95 tsp(CA) | 96 tsp(CA) | 97 tsp(CA) | 98 tsp(CA) | 99 tsp(CA) | 100 tsp(CA) |
| US food labelling fluid ounce | 0.1578503 US fl oz | 0.3157007 US fl oz | 0.4735510 US fl oz | 0.6314014 US fl oz | 0.7892517 US fl oz | 0.9471021 US fl oz | 1.1049524 US fl oz | 1.2628028 US fl oz | 1.4206531 US fl oz | 1.5785035 US fl oz | 1.7363538 US fl oz | 1.8942042 US fl oz | 2.0520545 US fl oz | 2.2099049 US fl oz | 2.3677552 US fl oz | 2.5256056 US fl oz | 2.6834559 US fl oz | 2.8413062 US fl oz | 2.9991566 US fl oz | 3.1570069 US fl oz | 3.3148573 US fl oz | 3.4727076 US fl oz | 3.6305580 US fl oz | 3.7884083 US fl oz | 3.9462587 US fl oz | 4.1041090 US fl oz | 4.2619594 US fl oz | 4.4198097 US fl oz | 4.5776601 US fl oz | 4.7355104 US fl oz | 4.8933608 US fl oz | 5.0512111 US fl oz | 5.2090615 US fl oz | 5.3669118 US fl oz | 5.5247622 US fl oz | 5.6826125 US fl oz | 5.8404628 US fl oz | 5.9983132 US fl oz | 6.1561635 US fl oz | 6.3140139 US fl oz | 6.4718642 US fl oz | 6.6297146 US fl oz | 6.7875649 US fl oz | 6.9454153 US fl oz | 7.1032656 US fl oz | 7.2611160 US fl oz | 7.4189663 US fl oz | 7.5768167 US fl oz | 7.7346670 US fl oz | 7.8925174 US fl oz | 8.0503677 US fl oz | 8.2082181 US fl oz | 8.3660684 US fl oz | 8.5239187 US fl oz | 8.6817691 US fl oz | 8.8396194 US fl oz | 8.9974698 US fl oz | 9.1553201 US fl oz | 9.3131705 US fl oz | 9.4710208 US fl oz | 9.6288712 US fl oz | 9.7867215 US fl oz | 9.9445719 US fl oz | 10.1024222 US fl oz | 10.2602726 US fl oz | 10.4181229 US fl oz | 10.5759733 US fl oz | 10.7338236 US fl oz | 10.8916740 US fl oz | 11.0495243 US fl oz | 11.2073747 US fl oz | 11.3652250 US fl oz | 11.5230753 US fl oz | 11.6809257 US fl oz | 11.8387760 US fl oz | 11.9966264 US fl oz | 12.1544767 US fl oz | 12.3123271 US fl oz | 12.4701774 US fl oz | 12.6280278 US fl oz | 12.7858781 US fl oz | 12.9437285 US fl oz | 13.1015788 US fl oz | 13.2594292 US fl oz | 13.4172795 US fl oz | 13.5751299 US fl oz | 13.7329802 US fl oz | 13.8908306 US fl oz | 14.0486809 US fl oz | 14.2065312 US fl oz | 14.3643816 US fl oz | 14.5222319 US fl oz | 14.6800823 US fl oz | 14.8379326 US fl oz | 14.9957830 US fl oz | 15.1536333 US fl oz | 15.3114837 US fl oz | 15.4693340 US fl oz | 15.6271844 US fl oz | 15.7850347 US fl oz |
A teaspoon is an item of cutlery, a measuring instrument, of approximately 5ml, or a unit of measurement of volume (usually abbreviated tsp.).
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| canadian teaspoon | tsp(CA) | ≡ 1⁄6 fl oz (imp) | = 4.735510416×10−6 m3 | Imperial/US |
| canadian teaspoons | US food labelling fluid ounces | canadian teaspoons | US food labelling fluid ounces |
|---|---|---|---|
| 1 | = 0.1578503472 | 6 | = 0.9471020832 |
| 2 | = 0.3157006944 | 7 | = 1.1049524304 |
| 3 | = 0.4735510416 | 8 | = 1.2628027776 |
| 4 | = 0.6314013888 | 9 | = 1.4206531248 |
| 5 | = 0.789251736 | 10 | = 1.578503472 |
A fluid ounce (abbreviated fl oz, fl. oz. or oz. fl., old forms ℥, fl ℥, f℥, ƒ ℥) is a unit of volume (also called capacity) typically used for measuring liquids. Various definitions have been used throughout history, but only two are still in common use: the British Imperial and the United States customary fluid ounce. An imperial fluid ounce is 1⁄20 of an imperial pint, 1⁄160 of an imperial gallon or approximately 28.4 ml. A US fluid ounce is 1⁄16 of a US fluid pint and 1⁄128 of a US liquid gallon or approximately 29.57 ml, making it about 4% larger than the imperial fluid ounce.
US food labelling fluid ounce
US regulation 21 CFR 101.9(b)(5)(viii) also defines a fluid ounce as exactly 30 millilitres, but this is for use in nutrition labelling only.
| 30 millilitres | ≈ | 1.055852392 | imperial fluid ounces |
| ≈ | 1.014420681 | US customary fluid ounces | |
| ≈ | 1.830712323 | cubic inches |
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| US food labelling fluid ounce | US fl oz | ≡ 30 mL | ≡ 3×10−5 m3 | Imperial/US |
| US food labelling fluid ounces | canadian teaspoons | US food labelling fluid ounces | canadian teaspoons |
|---|---|---|---|
| 1 | = 6.3351143519056 | 6 | = 38.010686111434 |
| 2 | = 12.670228703811 | 7 | = 44.345800463339 |
| 3 | = 19.005343055717 | 8 | = 50.680914815245 |
| 4 | = 25.340457407622 | 9 | = 57.01602916715 |
| 5 | = 31.675571759528 | 10 | = 63.351143519056 |
| canadian teaspoons | US food labelling fluid ounces |
|---|---|
| 1 | = 0.1578503 |
| 6.3351144 | = 1 |
| Symbol | Definition |
|---|---|
| ≡ | exactly equal |
| ≈ | approximately equal to |
| = | equal to |
| digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |