How do I convert ounces (weight) to teaspoons?

To convert ounces (weight) to teaspoons, use our converter above. Perfect for adjusting recipes between metric and imperial or scaling recipes up or down.

How accurate are these cooking conversions?

Our conversions are precise to several decimal places. For most cooking, rounding to practical measurements works fine - exact precision is rarely needed except in baking.

Ounce (weight) to Teaspoon Converter

Convert Ounces (weight) to Teaspoons instantly

From

Result

0tsp

Teaspoon

Conversion Formula

Teaspoon = Ounce (weight) × 5.751666

Where:

oz = Ounce (weight)
tsp = Teaspoon

What is a Ounce (weight)?

The ounce (weight) (oz) is a unit of cooking in the imperial system of measurement.

What is a Teaspoon?

The teaspoon (tsp) is a unit of cooking in the imperial system of measurement.

How to Convert Ounce (weight) to Teaspoon

Convert ounces (weight) to teaspoons instantly

Quick Reference:

1 oz = 5.751666 tsp
1 tsp = 0.173863 oz

Common Ounce (weight) to Teaspoon Conversions

1 oz
= 5.75 tsp

5 oz
= 28.76 tsp

10 oz
= 57.52 tsp

25 oz
= 143.79 tsp

50 oz
= 287.58 tsp

100 oz
= 575.17 tsp

Conversion Reference Table

Ounce (weight) (oz)	Teaspoon (tsp)
1	5.7517
2	11.5033
3	17.255
4	23.0067
5	28.7583
10	57.5167
15	86.275
20	115.0333
25	143.7916
50	287.5833
75	431.3749
100	575.1666
250	1,437.9164
500	2,875.8328
1,000	5,751.6657

Quick reference table showing common ounces (weight) to teaspoons conversions.

Real-World Cooking Conversions

🍰

Baking and Pastries

Precise measurements are crucial for cakes, cookies, and bread. Converting grams to cups or ounces to milliliters ensures your baked goods turn out perfect every time.

🌍

International Recipes

Following recipes from different countries requires converting between metric and imperial. A French recipe in grams needs conversion to cups for US kitchens.

🥛

Liquid Ingredients

Convert between milliliters, fluid ounces, cups, and tablespoons for liquids like milk, oil, and water. Essential for accurate recipe measurements.

🌾

Dry Ingredients

Flour, sugar, and spices need proper conversion between grams and cups. Weight measurements are more reliable than volume for dry ingredients.

📏

Recipe Scaling

Double or halve recipes by converting measurements. Make a family-sized batch or scale down to a single serving with accurate conversions.

👨‍🍳

Professional Cooking

Chefs use precise measurements for consistency. Converting between units helps maintain recipe standards across different kitchen setups.

Cooking Conversion FAQs

Common Conversion Mistakes

⚠Confusing the direction of conversion — always check whether you are converting from Ounce (weight) to Teaspoon or vice versa.
⚠Rounding too early in multi-step calculations. Keep full precision until the final result.
⚠Using outdated or approximate conversion factors. Our converter uses values traceable to international measurement standards.

Sources & Standards

Conversion factors on this page are based on definitions from the International Bureau of Weights and Measures (BIPM) and the National Institute of Standards and Technology (NIST). All factors are accurate to at least 6 decimal places.

Last updated: November 27, 2025