How Many Tablespoons in 1/8 Cup? Complete Conversion Guide
1/8 cup equals exactly 2 tablespoons (6 teaspoons, 1 fluid ounce, or 29.57 milliliters). Learn how to measure 1/8 cup for dry and liquid ingredients.
Quick conversion matrix
| Measurement | Equivalent A | Equivalent B | Equivalent C |
|---|---|---|---|
| 1/8 US Cup | 2 Tablespoons (tbsp) | 6 Teaspoons (tsp) | 29.57 mL (1.0 fl oz) |
| 1/4 US Cup | 4 Tablespoons (tbsp) | 12 Teaspoons (tsp) | 59.15 mL (2.0 fl oz) |
| 1/3 US Cup | 5 Tbsp + 1 tsp | 16 Teaspoons (tsp) | 78.86 mL (2.67 fl oz) |
| 1/2 US Cup | 8 Tablespoons (tbsp) | 24 Teaspoons (tsp) | 118.29 mL (4.0 fl oz) |
| 1 Full US Cup | 16 Tablespoons (tbsp) | 48 Teaspoons (tsp) | 236.59 mL (8.0 fl oz) |
Chef & measurement rules
Standard US measuring cup sets rarely include a dedicated 1/8 cup measure; simply use 2 level tablespoons.
For dry spices or baking powders, level each tablespoon across the top rim with a straight butter knife.
In liquid measuring, 1/8 cup is exactly 1 fluid ounce (marked at the lowest line on most glass measuring pitchers).
The Direct Answer: Converting 1/8 Cup to Tablespoons and Teaspoons
If you are in the middle of a recipe and need to know how many tablespoons are in one-eighth of a cup (1/8 cup), the exact answer is 2 level tablespoons. Because there are 16 tablespoons in a standard full US cup, dividing 16 by 8 yields precisely 2 tablespoons.
In terms of smaller culinary fractions, 1/8 cup also equals exactly 6 teaspoons, 1 US fluid ounce (fl oz), or 29.57 milliliters (mL). When using butter, 1/8 cup represents one-quarter (1/4) of a standard stick of butter (equivalent to 1 ounce or 28.35 grams of fat).
Most standard measuring cup sets sold in North America only come in increments of 1 cup, 1/2 cup, 1/3 cup, and 1/4 cup. As a result, when a vintage recipe or reduced-portion baking formula calls for 1/8 cup, home bakers often wonder whether they need special equipment. Remembering that 1/8 cup is simply two tablespoons saves time and prevents measurement errors.
Volumetric Mathematics and Standard Imperial Division
The culinary measurement system utilized across the United States is based on imperial and customary subdivisions established in the 19th century. A standard US Customary Cup is legally defined as 8 fluid ounces (236.588 milliliters). Each fluid ounce contains exactly 2 tablespoons, meaning a cup contains 16 tablespoons.
When we mathematically bisect culinary fractions, we see a clean geometric hierarchy: 1 Cup = 16 Tbsp; 1/2 Cup = 8 Tbsp; 1/4 Cup = 4 Tbsp; and 1/8 Cup = 2 Tbsp. If you ever need half of 1/8 cup (which is 1/16 cup), that translates to exactly 1 tablespoon or 3 teaspoons.
Understanding these base-2 divisions allows you to scale down large family-style recipes into single-portion or two-portion batches effortlessly without a calculator.
Weight vs. Volume: Why Ingredient Density Matters for 1/8 Cup
While 1/8 cup is always 2 tablespoons in volumetric space (29.57 mL), the gravitational mass (weight in grams or dry ounces) changes drastically based on what ingredient you are scooping.
For example, 1/8 cup of sifted all-purpose flour weighs approximately 15.6 grams (0.55 oz). In contrast, 1/8 cup of granulated white sugar weighs 25.0 grams (0.88 oz) because sucrose crystals pack much more densely than aerated starch granules.
If you are measuring viscous liquid sweeteners like clover honey or molasses, 1/8 cup weighs a heavy 42.5 grams (1.50 oz)—nearly triple the weight of flour in the exact same spatial volume! For precision baking such as macarons or yeast doughs, weighing 1/8 cup portions on a digital scale ensures consistent outcomes.
International Standards: US Customary vs. Metric & Imperial Cups
When reading recipes published in the United Kingdom, Australia, New Zealand, or Canada, be aware that international cup definitions differ slightly from US standards.
A Commonwealth Metric Cup is standardized at 250 milliliters, meaning 1/8 of a metric cup is 31.25 mL (compared to 29.57 mL in the US). In the UK, imperial tablespoons are 15 mL, so 1/8 metric cup is just over 2 metric tablespoons.
For casual soups and braises, this 1.68 mL difference is negligible. However, for concentrated flavor extracts (vanilla, almond, peppermint) or potent chemical leaveners (baking soda, baking powder), using measuring spoons specifically matched to your recipe origin ensures optimal taste.
Frequently Asked Questions
How many tablespoons is 1/8 cup?
1/8 US cup is exactly 2 level tablespoons (or 6 teaspoons).
What is 1/8 cup in ounces?
1/8 cup is exactly 1 fluid ounce (fl oz) or 29.57 milliliters.
How do you measure 1/8 cup with a 1/4 cup measuring cup?
Fill a 1/4 cup measuring cup halfway, or simply use 2 level tablespoons.