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Ounces to US Teaspoons Converter

Convert ounces (avoirdupois) (oz) to US teaspoons (tsp), 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
5.75167 tsp
Density used
1 g/mL (USDA FDC 174158, 1 ml = 1 g)

1 ounces (avoirdupois) of water = 5.75167 US teaspoons. Weights for cups and spoons vary with how the ingredient is measured, so treat this as a close estimate.

Show the the same amount in other volume units (17 rows)
The same amount in other volume units
UnitAmount
US tablespoons1.91722
US fluid ounces0.958611
US cups0.119826
US liquid pints0.0599132
US liquid quarts0.0299566
US gallons0.00748915
US nutrition-label fluid ounces0.944984
US nutrition-label cups0.118123
milliliters28.3495
liters0.0283495
metric teaspoons5.6699
metric tablespoons1.88997
metric cups0.113398
imperial fluid ounces0.997764
imperial pints0.0498882
imperial quarts0.0249441
imperial gallons0.00623602
Show the working
  1. 1 oz = 28.349523125 g
  2. ÷ 1 g/mL (USDA FDC 174158, 1 ml = 1 g) = 28.349523125 mL
  3. = 5.75166851121 tsp

How to convert ounces to us teaspoons

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

tsp = oz × 5.75167
oz = tsp × 0.173863

Worked example:

5 oz = 141.747615625 g
÷ 1 g/mL (USDA FDC 174158, 1 ml = 1 g) = 141.747615625 mL
= 28.7583425561 tsp

Ounces to us teaspoons table

OuncesUS Teaspoons
1 oz5.75167 tsp
2 oz11.5033 tsp
3 oz17.255 tsp
4 oz23.0067 tsp
5 oz28.7583 tsp
6 oz34.51 tsp
7 oz40.2617 tsp
8 oz46.0133 tsp
9 oz51.765 tsp
10 oz57.5167 tsp
15 oz86.275 tsp
20 oz115.033 tsp
25 oz143.792 tsp
30 oz172.55 tsp
40 oz230.067 tsp
50 oz287.583 tsp
75 oz431.375 tsp
100 oz575.167 tsp
250 oz1,437.92 tsp
500 oz2,875.83 tsp
1000 oz5,751.67 tsp

About the units

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

Formula version 0.1.0Reviewed