--- title: "4 mL to tsp = 0.81154 tsp" description: "4 milliliters is 0.81154 teaspoons. The arithmetic, a table of nearby values, and a converter for any other number." url: https://atoneplace.net/convert/4-ml-to-teaspoons/ site: "At One Place" --- # 4 mL to tsp **4 milliliters in teaspoons: 4 mL = 0.81154 tsp** tsp = mL × 0.2028841362 4 milliliters is 0.81154 teaspoons. To get there, multiply by 0.2028841362. ## Values either side *Milliliters near 4, converted to teaspoons.* | Milliliters | Teaspoons | | --- | --- | | 1.5 mL | 0.30433 | | 2 mL | 0.40577 | | 2.5 mL | 0.50721 | | 3 mL | 0.60865 | | 4 mL ← | 0.81154 | | 5 mL | 1.014421 | | 6 mL | 1.217305 | | 7 mL | 1.420189 | | 8 mL | 1.623073 | ## How the conversion works The relationship is tsp = mL × 0.2028841362. Both units measure volume, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two. ## Common questions ### What is 4 mL in teaspoons? 4 mL is 0.81154 tsp. ### How do you convert milliliters to teaspoons? Multiply by 0.2028841362. ## Related pages - [Milliliters to teaspoons](https://atoneplace.net/convert/ml-to-teaspoons/) - [4 tsp to mL](https://atoneplace.net/convert/4-teaspoons-to-ml/) - [1.5 mL to tsp](https://atoneplace.net/convert/1-5-ml-to-teaspoons/) - [2 mL to tsp](https://atoneplace.net/convert/2-ml-to-teaspoons/) - [2.5 mL to tsp](https://atoneplace.net/convert/2-5-ml-to-teaspoons/) - [3 mL to tsp](https://atoneplace.net/convert/3-ml-to-teaspoons/) - [5 mL to tsp](https://atoneplace.net/convert/5-ml-to-teaspoons/) - [6 mL to tsp](https://atoneplace.net/convert/6-ml-to-teaspoons/) - [7 mL to tsp](https://atoneplace.net/convert/7-ml-to-teaspoons/) - [8 mL to tsp](https://atoneplace.net/convert/8-ml-to-teaspoons/) ## Sources - Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)] - The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure) - Calculated on this page — At One Place (/about/)