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US Teaspoons to Ounces Converter

Convert US teaspoons (tsp) to ounces (avoirdupois) (oz), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Convert cups and spoons to grams or ounces (or back) for a chosen ingredient, using USDA weights, or enter your own density.

The quantity to convert. Fractions such as 3/4 or 1 1/2 are accepted.
Unit you want. Swap exchanges the two units.
Weight per cup differs by ingredient and by how it is measured (sifted, packed, chopped). Each option names the assumption used; choose Other to enter your own density.
Only used when the ingredient is Other: the weight per volume of your ingredient.
Result
Converted amount
0.173863 oz
Density used
1 g/mL (USDA FDC 174158, 1 ml = 1 g)

1 US teaspoons of water = 0.173863 ounces (avoirdupois). Weights for cups and spoons vary with how the ingredient is measured, so treat this as a close estimate.

The same amount in other weight units
UnitAmount
milligrams4,928.92
grams4.92892
kilograms0.00492892
pounds0.0108664
Show the working
  1. 1 tsp = 4.92892159375 mL
  2. × 1 g/mL (USDA FDC 174158, 1 ml = 1 g) = 4.92892159375 g
  3. = 0.17386259275 oz

How to convert us teaspoons to ounces

1 tsp = 0.173863 oz, so multiply by 0.173863 to go from US teaspoons to ounces (avoirdupois). Going the other way, 1 oz = 5.75167 tsp.

oz = tsp × 0.173863
tsp = oz × 5.75167

Worked example:

5 tsp = 24.6446079688 mL
× 1 g/mL (USDA FDC 174158, 1 ml = 1 g) = 24.6446079688 g
= 0.869312963752 oz

US Teaspoons to ounces table

US TeaspoonsOunces
1 tsp0.173863 oz
2 tsp0.347725 oz
3 tsp0.521588 oz
4 tsp0.69545 oz
5 tsp0.869313 oz
6 tsp1.04318 oz
7 tsp1.21704 oz
8 tsp1.3909 oz
9 tsp1.56476 oz
10 tsp1.73863 oz
15 tsp2.60794 oz
20 tsp3.47725 oz
25 tsp4.34656 oz
30 tsp5.21588 oz
40 tsp6.9545 oz
50 tsp8.69313 oz
75 tsp13.0397 oz
100 tsp17.3863 oz
250 tsp43.4656 oz
500 tsp86.9313 oz
1000 tsp173.863 oz

About the units

US Teaspoons (tsp)
US teaspoons, a US customary unit. Definition: NIST Handbook 44 Appendix C (US customary units; US gallon = 231 in³).
Ounces (oz)
Ounces (avoirdupois), a US customary unit. Definition: NIST Handbook 44 Appendix C (US customary units; US gallon = 231 in³).

Formula version 0.1.0Reviewed