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About this tool
Convert teaspoon, tablespoon and dessertspoon medicine instructions into exact millilitres, and back again.
The Medicine Spoon to Millilitre Converter turns a spoon-based dosing instruction into an exact volume, using the defined capacities rather than a guess: 5 mL for the medicine teaspoon, 10 mL for a dessertspoon, 15 mL for the metric tablespoon, 20 mL for the Australian tablespoon and 4.92892 mL for the US customary teaspoon. It also works backwards from millilitres to spoons and, if you enter the label strength per 5 mL, shows the milligrams that volume delivers. It exists because ordinary kitchen spoons hold between about 2.5 and 7 mL, a spread wide enough to matter for a child's dose.
Open Medicine Spoon to Millilitre Converter on AltFTool — it loads instantly in your browser.
Enter the values you already know.
Fine-tune the options to match your scenario.
Read the result and use it in your planning or reporting.
Uses the exact spoon definitions, including the 4.92892 mL US customary teaspoon, not rounded folklore.
Every volume is also rounded to the nearest 0.1 mL mark you can actually set.
Optional mg per 5 mL turns the volume into the milligram dose it delivers.
A teaspoon on a medicine label means 5 mL. The US customary recipe teaspoon is slightly smaller at 4.92892 mL, and a random kitchen teaspoon can hold anywhere from about 2.5 to 7 mL, which is why dosing with cutlery is discouraged.
15 mL in the UK, India and most of the world, which is three 5 mL teaspoons. Australia is the exception at 20 mL, and the US customary tablespoon used in recipes is 14.787 mL.
No. Published studies of household dosing repeatedly find teaspoon volumes ranging from roughly 2.5 mL to over 7 mL, which can mean half or one and a half times the intended dose. Use the oral syringe, dosing cup or spoon supplied with the medicine.
Divide the volume by 5 and multiply by the milligrams per 5 mL on the label. A 7.5 mL dose of a 250 mg per 5 mL suspension is 1.5 × 250 = 375 mg. Check the strength on the bottle you have, since the same medicine is sold at several strengths.
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