Convert teaspoons to milliliters instantly: 1 teaspoon = 4.928921594 ml. Type a value to see the result with the formula, swap direction with one tap, or pick any other volume units from the dropdowns. Free tool with formula and table, no sign-up.
What does this tool do?
The teaspoons to ml converter is a fast, no-sign-up converter for volume units from millilitres to gallons and cups. Enter any number in the Teaspoon field and the equivalent in milliliters appears immediately, together with the conversion formula for transparency. You can reverse the conversion with the swap control, choose any of the 13 volume units from the dropdowns, and copy the result in one tap. Everything runs in your browser, so it works on slow connections and never sends your numbers anywhere.
The Teaspoons to ML Converter is free of the usual catches: no watermark on results, no “three free uses” counter, no app install nagging. It does the job and gets out of the way, which is all a utility should do.
How do I use this tool?
The tool is ready the moment the page opens — no setup, no account. The steps below cover everything it does.
- Type the value into the “Teaspoon” field.
- Read the converted value in milliliters — the formula used is shown underneath.
- Tap “Copy result” to copy the answer to your clipboard.
- Use the swap button (⇄) to reverse the conversion direction.
- Pick any other volume units from the “From” and “To” dropdowns.
Teaspoons to ML formula
milliliters = teaspoons × 4.92892159
Example: 5 tsp = 24.6446 ml.
Reverse: 1 ml = 0.20288414 tsp.
State lives in the tab: start it, use it, close it. There is no backend to fail, no sync to conflict — which is also why the tool loads instantly and works offline after the first visit.
Teaspoons to ML conversion table
| Teaspoon (tsp) | Milliliter (ml) |
|---|---|
| 1 | 4.92892 |
| 2 | 9.85784 |
| 3 | 14.7868 |
| 4 | 19.7157 |
| 5 | 24.6446 |
| 6 | 29.5735 |
| 7 | 34.5025 |
| 8 | 39.4314 |
| 9 | 44.3603 |
| 10 | 49.2892 |
| 11 | 54.2181 |
| 12 | 59.1471 |
| 15 | 73.9338 |
| 20 | 98.5784 |
| 25 | 123.223 |
| 30 | 147.868 |
| 40 | 197.157 |
| 50 | 246.446 |
| 60 | 295.735 |
| 70 | 345.025 |
| 75 | 369.669 |
| 80 | 394.314 |
| 90 | 443.603 |
| 100 | 492.892 |
| 150 | 739.338 |
| 200 | 985.784 |
| 250 | 1,232.23 |
| 500 | 2,464.46 |
| 1,000 | 4,928.92 |
What are these units?
Teaspoon (tsp): About 4.93 ml (US). A metric teaspoon is 5 ml.
Milliliter (ml): One thousandth of a litre, the same as one cubic centimetre.
Use cases in Pakistan
Pakistani kitchens run on volume conversions: a cake recipe calls for cups of flour and millilitres of milk, cooking oil is sold by the litre, and Rooh Afza-style sharbat ratios are easiest in millilitres. Beyond the kitchen, petrol pumps dispense fuel in litres, water tanks are quoted in litres or gallons, and medicines for children are dosed in millilitres or teaspoons. This converter keeps all of those straight.
These are the tools people recommend to each other on WhatsApp — simple, free, no install — because they solve the small problems everyone hits: timing something, picking fairly, testing a device. Bookmark the ones you use; they age well.
Limitations
Factors are exact, but real containers are approximate: a kitchen “cup” or “glass” varies by household, and fuel dispensers have their own calibration tolerances. US and imperial gallons differ substantially (3.785 vs 4.546 litres) — check which one your source means. For medicines, always follow the dosing device, not a conversion.
Convenience tools are not certified instruments: fine for everyday purposes, but do not stake safety, money or legal outcomes on a browser utility. Know which category your use falls into.
Frequently asked questions
How many milliliters are in a teaspoon?
There are 4.9289216 milliliters in one teaspoon.
How do I convert teaspoons to milliliters?
milliliters = teaspoons × 4.92892159. Example: 5 tsp = 24.6446 ml.
How many milliliters are in one teaspoon?
Exactly 4.928921594 ml. Both units have exact international definitions, so this factor is not rounded — any rounding you see is only in how many decimals are displayed.
How do I convert milliliters back to teaspoons?
Tap the swap button (⇄) above the result — the From and To units exchange places and the value converts back using the exact inverse factor.
Can I convert between other volume units?
Yes. The From and To dropdowns list all 13 volume units this converter knows — pick any pair, for example Teaspoon to milliliter or cubic meter to milliliter.
How accurate is the result?
It uses the exact defined values of both units and displays up to 10 significant figures — far more precision than any ruler, scale or bill needs. The conversion itself introduces no error; only the displayed decimals are rounded.
Updated October 2026 · Built and tested by Sharjeel Tahir · How our tools are tested