Cups2Grams
Gram Converter

20 Grams to Cups

20g is approximately 1½ tablespoons. Select your ingredient below for an exact result — density makes every answer different.

All-Purpose Flour
0.16
⅛ cup
Bread Flour
0.16
⅛ cup
Cake Flour
0.17
⅛ cup
Whole Wheat Flour
0.17
⅛ cup

20 Grams to Cups — Interactive Calculator

Select any ingredient, enter any gram amount, and switch between cup standards. All values update instantly.

Ingredient
Amount (grams)
Cup Standard
Result
--
--
cups
--
Tablespoons
--
Teaspoons
--
Millilitres
--
Weight (oz)
--

20 Grams to Cups — All 28 Ingredients

Complete conversion table for 20g across every common baking and cooking ingredient. Includes cups, tablespoons, teaspoons, and density.

Values use the US customary cup (236.6ml) and spoon-and-level measuring method.
Ingredient20g in CupsFractionTablespoonsTeaspoonsWeight (oz)Density
All-Purpose FlourFlour0.160⅛ cup2.6 tbsp7.7 tsp0.71 oz125g
Bread FlourFlour0.157⅛ cup2.5 tbsp7.6 tsp0.71 oz127g
Cake FlourFlour0.167⅛ cup2.7 tbsp8.0 tsp0.71 oz120g
Whole Wheat FlourFlour0.167⅛ cup2.7 tbsp8.0 tsp0.71 oz120g
Almond FlourFlour0.208¼ cup3.3 tbsp10.0 tsp0.71 oz96g
Oat FlourFlour0.217¼ cup3.5 tbsp10.4 tsp0.71 oz92g
Rye FlourFlour0.196¼ cup3.1 tbsp9.4 tsp0.71 oz102g
Cocoa PowderBaking0.200¼ cup3.2 tbsp9.6 tsp0.71 oz100g
CornstarchBaking0.156⅛ cup2.5 tbsp7.5 tsp0.71 oz128g
Baking PowderBaking0.0871 tbsp cup1.4 tbsp4.2 tsp0.71 oz230g
CornmealGrains0.164⅛ cup2.6 tbsp7.9 tsp0.71 oz122g
Rolled OatsGrains0.222¼ cup3.6 tbsp10.7 tsp0.71 oz90g
Rice (Uncooked)Grains0.108⅛ cup1.7 tbsp5.2 tsp0.71 oz185g
Quinoa (Dry)Grains0.118⅛ cup1.9 tbsp5.6 tsp0.71 oz170g
Dry BreadcrumbsBaking0.1850.193.0 tbsp8.9 tsp0.71 oz108g
Granulated SugarSugar0.100⅛ cup1.6 tbsp4.8 tsp0.71 oz200g
Brown Sugar (packed)Sugar0.0911 tbsp cup1.5 tbsp4.4 tsp0.71 oz220g
Powdered SugarSugar0.167⅛ cup2.7 tbsp8.0 tsp0.71 oz120g
Caster SugarSugar0.100⅛ cup1.6 tbsp4.8 tsp0.71 oz200g
Raw SugarSugar0.095⅛ cup1.5 tbsp4.6 tsp0.71 oz210g
ButterFats0.0881 tbsp cup1.4 tbsp4.2 tsp0.71 oz227g
Vegetable OilFats0.0921 tbsp cup1.5 tbsp4.4 tsp0.71 oz218g
Olive OilFats0.0931 tbsp cup1.5 tbsp4.4 tsp0.71 oz216g
Coconut OilFats0.0921 tbsp cup1.5 tbsp4.4 tsp0.71 oz218g
Peanut ButterFats0.0781 tbsp cup1.2 tbsp3.7 tsp0.71 oz258g
WaterLiquids0.0841 tbsp cup1.4 tbsp4.1 tsp0.71 oz237g
Milk (Whole)Liquids0.0821 tbsp cup1.3 tbsp3.9 tsp0.71 oz245g
HoneyLiquids0.0591 tbsp cup0.9 tbsp2.8 tsp0.71 oz340g

Densities based on spoon-and-level method, US customary cup (236.6ml). Source: USDA Food Data Central & King Arthur Baking.

Most-Searched: 20g to Cups

Quick visual reference for the 8 most commonly searched 20g conversions.

All-Purpose Flour
0.16
⅛ cup
2.6 tablespoons
Full All-Purpose Flour converter →
Granulated Sugar
0.10
⅛ cup
1.6 tablespoons
Full Granulated Sugar converter →
Butter
0.09
1 tbsp cup
1.4 tablespoons
Full Butter converter →
Rolled Oats
0.22
¼ cup
3.6 tablespoons
Full Rolled Oats converter →
Cocoa Powder
0.20
¼ cup
3.2 tablespoons
Full Cocoa Powder converter →
Honey
0.06
1 tbsp cup
0.9 tablespoons
Full Honey converter →
Rice (Uncooked)
0.11
⅛ cup
1.7 tablespoons
Full Rice (Uncooked) converter →
Milk (Whole)
0.08
1 tbsp cup
1.3 tablespoons
Full Milk (Whole) converter →

20 Grams of Flour in Different Cup Standards

The same 20 grams gives different cup amounts depending on which country's cup standard your recipe uses.

Cup Standard20g of FlourCup VolumeFraction
US Cup0.160 cups236.6ml⅛ cup
Metric Cup0.151 cups250.0ml⅛ cup
US Legal Cup0.158 cups240.0ml⅛ cup
Imperial Cup (UK)0.133 cups284.1ml⅛ cup

US cup = 236.6ml  |  Metric cup = 250ml  |  US legal cup = 240ml  |  UK imperial cup = 284.1ml

Understanding 20 Grams in the Kitchen

20 grams is approximately 1½ tablespoons — common for small sauce additions, a dusting of sugar, or seasoning a pan. Because cups measure volume rather than mass, the same 20g weight occupies very different volumes depending on the ingredient's density. 20g of all-purpose flour (⅛ cup) fills the cup loosely as fine particles trap air, while 20g of honey (1 tbsp cup) sinks to the bottom of the cup as a dense liquid.

The formula is simple: cups = grams ÷ grams-per-cup density. For 20g of flour: 20 ÷ 125 = 0.16 cups. For 20g of sugar: 20 ÷ 200 = 0.10 cups. Densities are measured using the spoon-and-level method, where the ingredient is spooned into the cup and levelled with a straight edge — the most reproducible home-kitchen technique.

Measuring Method Matters

The measuring method can change results by up to 25%. For flour: spooning gives ~125g/cup, scooping directly can give 140–155g/cup. For brown sugar: loosely packed is ~200g/cup, firmly packed is ~220g/cup. Always match the method your recipe specifies. When converting 20g to cups, our table uses the spoon-and-level standard unless stated otherwise.

US Cup vs Metric Cup vs UK Cup

Not all recipes use the same cup standard. The US customary cup is 236.6ml. The metric cup (Australia, Canada, South Africa) is 250ml — about 5.7% larger. The old UK imperial cup is 284.1ml — 20% larger than the US cup. For 20g of all-purpose flour, these differences produce meaningfully different cup amounts, especially at larger gram weights. Always check which cup standard your recipe uses.

20 Grams to Cups — Frequently Asked Questions

20 grams of all-purpose flour is 0.16 cups (⅛ cup). This uses the standard spoon-and-level method at 125g per US cup. Scooping directly from the bag can add 15–25% more flour by weight, so always spoon into the cup and level with a straight edge for accurate results.
20 grams of granulated sugar is 0.1 cups (⅛ cup). Granulated sugar flows freely and measures consistently at about 200g per US cup. Brown sugar is slightly denser at 220g per cup (packed), and powdered sugar is lighter at 120g per cup.
20 grams of butter is approximately 0.09 cups (1.4 tablespoons). US butter sticks weigh 113g (½ cup) or 227g (1 cup). 20g of butter is less than one stick (113g). Measure butter by weight for precision.
Because cups measure volume, not weight. A cup of honey (340g) is nearly 4× heavier than a cup of rolled oats (90g), even though they occupy the same volume. At 20g, flour measures 0.16 cups while honey measures only 0.06 cups. Always convert by ingredient density — never assume 1 cup = same grams for all foods.
No. The US customary cup is 236.6ml while the metric cup (used in Australia, Canada) is 250ml. For 20g of flour: US cup = 0.16 cups, metric cup = 0.15 cups. The UK imperial cup (284.1ml) gives yet another different result. Always check which cup standard your recipe uses.
It depends on the ingredient. 20g of flour = 2.6 tablespoons. 20g of granulated sugar = 1.6 tablespoons. 20g of water = 1.4 tablespoons. There are 16 tablespoons in 1 US cup and 3 teaspoons in 1 tablespoon.
20g is approximately 1½ tablespoons — common for small sauce additions, a dusting of sugar, or seasoning a pan. In baking terms, 20g of all-purpose flour gives you 0.16 cups and 20g of granulated sugar gives you 0.1 cups. When in doubt, use a kitchen scale: it eliminates all measuring method uncertainty.
Measuring by cup can introduce 10–25% error depending on technique. For 20g of flour: a properly spooned-and-levelled cup gives 125g, but scooping directly gives 140–155g — a difference of up to 24%. For critical baking (bread, pastry, choux), always weigh. For forgiving recipes (pancakes, muffins), cup measuring is acceptable.
Yes, using the formula: cups = grams ÷ density (g/cup). For 20g of flour: 20 ÷ 125 = 0.16 cups. Use measuring spoons for small amounts: 20g of flour ≈ 2.6 tablespoons. Our calculator above lets you select any ingredient and get the result instantly.
20g of flour (0.16 cups) appears in many recipes. It's a small dusting or thickening amount. Use our ingredient pages for full recipe-specific conversion tables for every ingredient.

Other Gram Amounts

Jump to any gram amount — we have dedicated pages for every common baking weight.

Need a specific ingredient?

See full conversion tables and calculators for 60+ individual ingredients.