swap_horiz Need Ounces to Tablespoons instead?

How Much Is 40 Tablespoons of Cake Flour in Ounces?

Converting 40 tablespoons of cake flour to ounces gives 10.05 oz. One tablespoon of cake flour weighs 7.13g, so 40 tablespoons is 40 × 7.13 = 285g (10.05 oz). This conversion is specific to cake flour because each ingredient has a different density.

40 tablespoons of cake flour
=
10.05oz
Result using all tablespoon standards info
10.05 oz (US) 10.20 oz (Metric Tablespoon) 13.60 oz (Australian Tablespoon)
Try: 1 tablespoon = 0.25 oz 2 tablespoons = 0.50 oz 3 tablespoons = 0.75 oz 4 tablespoons = 1.01 oz
Compare: 40 tablespoons all-purpose flour = 11.04 oz 40 tablespoons almond flour = 8.47 oz 40 tablespoons bread flour = 11.20 oz
Convert a different ingredient
40 tablespoons of cake flour is also
285 g (grams)
10.05

Formula and Step-by-Step

tablespoons × 7.13g/tbsp ÷ 28.3495g/oz = ounces
  1. Start with 40 tablespoons of cake flour
  2. 1 tablespoon of cake flour = 7.13g
  3. 40 × 7.13 = 285g
  4. Convert grams to ounces: 285 ÷ 28.3495 = 10.05 oz

The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.

Measuring Tip

Different flour types have very different weights per cup. Always check the specific flour your recipe calls for rather than using a generic "flour" conversion.

Cake Flour at Different Amounts

How cake flour scales across common tablespoons measurements. Your amount (40 tablespoons) is highlighted.

4 tbsp1.01 oz5 tbsp1.26 oz6 tbsp1.51 oz8 tbsp2.01 oz10 tbsp2.51 oz12 tbsp3.02 oz16 tbsp4.02 oz40 tbsp10.05 oz

For reference, 40 tablespoons of cake flour (285g) is close in weight to a can of soup (305g).

Other Amounts of Cake Flour

Tablespoons US Ounces Metric Tablespoon Australian Tablespoon
1 tablespoon 0.25 oz 0.25 oz 0.34 oz
2 tablespoons 0.50 oz 0.51 oz 0.68 oz
3 tablespoons 0.75 oz 0.76 oz 1.02 oz
4 tablespoons 1.01 oz 1.02 oz 1.36 oz
5 tablespoons 1.26 oz 1.27 oz 1.70 oz
6 tablespoons 1.51 oz 1.53 oz 2.04 oz
8 tablespoons 2.01 oz 2.04 oz 2.72 oz
10 tablespoons 2.51 oz 2.55 oz 3.40 oz
12 tablespoons 3.02 oz 3.06 oz 4.08 oz
16 tablespoons 4.02 oz 4.08 oz 5.44 oz
40 tablespoons 10.05 oz 10.20 oz 13.60 oz

Understanding the Units

What is a Tablespoon?

A tablespoon (tbsp) is a US customary unit of volume equal to 14.787 milliliters, 3 teaspoons, or 1/16 of a cup. It is commonly used for measuring smaller amounts of ingredients.

What is an Ounce?

An ounce (oz) is a US customary unit of weight equal to 28.3495 grams or 1/16 of a pound. In cooking, "ounces" refers to weight (avoirdupois ounces), not fluid ounces which measure volume.

Frequently Asked Questions

About 10.05 oz, based on cake flour having a density of 114g per cup. The exact amount depends on how the ingredient is measured and the specific product.
Multiply the number of tablespoons by 7.13 (grams per tablespoon for cake flour), then divide by 28.3495 to convert grams to ounces. For 40 tablespoons: 40 × 7.13 = 285g, then 285 ÷ 28.3495 = 10.05 oz.
For the most accurate results, weigh cake flour on a kitchen scale. If measuring by volume, sift or whisk first to break up clumps, then spoon into the measuring spoon and level off. Do not scoop directly from the bag.
Yes, quite a bit. If you spoon the flour into your measuring spoon and level it off, you will get about 114 grams per cup. If you dip directly into the flour bag and sweep level, the flour packs tighter and you can end up with 125.4 to 142.5 grams per cup instead. This conversion uses the spoon-and-level method, which is the standard most baking references follow.
Reverse the conversion: 10.05 oz × 28.3495 = 285g, then 285g ÷ 7.13 = 40 tablespoons. Or use the Ounces to Tablespoons converter.
person Written by Sean Day verified Reviewed by CookingConvert update Last updated Apr 3, 2026