CookingTablespoons to Grams

1 tbsp Cornstarch in Grams

Updated: March 1, 2026

Snapshot

1 tablespoon of cornstarch equals 7 grams. Conversion Encyclopedia keeps one fixed ingredient basis on this page so the calculator, common values, and reverse page stay aligned.

Reference basis: 7 g per 1 tablespoon.
Example: For 3 tbsp of cornstarch, the result is about 21 grams with the same factor.
Use the reverse page if you need the opposite direction with the same basis.

Use the interactive calculator below for custom values and the common-value table for quick checks.

Interactive conversion

Converter Calculator

7 Grams

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7 grams

With 1 tablespoon of Cornstarch, that equals 7 grams.

Machine access

Available to apps and AI agents

1 tbsp Cornstarch in Grams can be requested through Conversion Encyclopedia's structured interfaces by software and compatible AI agents. The cornstarch identifier tells the conversion engine which ingredient record to use for the same calculation shown by the calculator.

Machine-readable identifiers

Conversion family: cooking
Source unit: tablespoon_us
Target unit: gram
Ingredient: cornstarch

The JSON API and OpenAPI specification use the identifiers to reach the conversion engine. WebMCP lets compatible AI agents request the same calculation.

Example API request and response

POST /api/v1/convert

Request

{
  "family": "cooking",
  "value": 1,
  "from": "tablespoon_us",
  "to": "gram",
  "material": "cornstarch"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "cooking",
    "value": 1,
    "from": "tablespoon_us",
    "to": "gram",
    "result": {
      "raw": 7,
      "display": "7"
    },
    "canonicalPath": "/cooking/tablespoons-to-grams/cornstarch/"
  }
}

Full API documentation

Explanation

The converter converts cornstarch tablespoons into grams. In this converter, 1 tablespoon of cornstarch is about 7 grams, 1 1/2 tablespoons are about 10.5 grams, 2 tablespoons are about 14 grams, 3 tablespoons are about 21 grams, 4 tablespoons are about 28 grams, and 6 tablespoons are about 42 grams.

Use it for sauces, slurries, baking, and thickening where tablespoon measures need to become repeatable gram targets. It also covers searches written as corn starch to grams, 3 tbs corn starch to grams, and tablespoon cornstarch to grams. Cornstarch packs easily, so this page keeps one level-tablespoon basis for consistency.

Cornstarch is a neutral starch derived from corn, used primarily as a thickening and stabilizing agent rather than a flavoring ingredient.

Practical use: Cornstarch is used as a technical thickener and stabilizer in syrups, sauces, creams, and culinary-style preparations associated with modern or dessert-oriented drink builds. It is not used as a direct cocktail ingredient but as a behind-the-scenes texture modifier.

Ingredient characteristics: Cornstarch is flavor-neutral and aroma-free. It contributes no sweetness, bitterness, acidity, or aroma, functioning solely as a textural agent that increases viscosity and smoothness when hydrated and heated.

Cornstarch uses a reviewed reference of 112 grams per US cup in this dataset. Evidence status: high-confidence. Source basis: King Arthur weight chart (¼ cup=28g)

Particle size, aeration, settling, and whether the cup is scooped or spoon-filled can materially change the mass held by the same volume.

Method & Cornstarch Basis

Tablespoon basis: 1 level tablespoon of cornstarch is fixed at about 7 grams in this converter.
Applied factor: grams = tablespoons x 7.
Consistency rule: snapshot, calculator, FAQ, and common values all use the same cornstarch tablespoon basis.

Common Conversion Values

Tablespoons	Grams
0.5	3.5
1	7
1.5	10.5
2	14
3	21
4	28
6	42
7	49
8	56
66.7	466.7

Methodology

Cornstarch: tablespoons to grams evidence

Cornstarch is a neutral starch derived from corn, used primarily as a thickening and stabilizing agent rather than a flavoring ingredient.

Direction calculation: Cornstarch — 1 US tablespoon equals 7 grams. Reference: 112 g/US cup. Source basis: King Arthur weight chart (¼ cup=28g)

Among the 5 reviewed records labeled Starches, the nearest factor to Cornstarch is Tapioca Starch at 113 g/cup: a difference of 1 g/cup (0.9% relative to Cornstarch). The observed range in this labeled group is Cornstarch at 112 g/cup to Rice Starch at 160 g/cup.

Particle size, aeration, settling, and whether the cup is scooped or spoon-filled can materially change the mass held by the same volume.

Questions & answers

Frequently Asked Questions

What is useful to know about Cornstarch?

Cornstarch thickens liquids through gelatinization when heated with water. Because it is gluten-free and neutral, it is widely used where texture is required without flavor interference.

What can change a Cornstarch measurement?

Particle size, aeration, settling, and whether the cup is scooped or spoon-filled can materially change the mass held by the same volume. The converter preserves one documented reference so repeated calculations remain comparable.

How many grams are in 1 tablespoon of cornstarch?

1 level tablespoon of cornstarch is about 7 grams in this converter.

How many grams are in 2 tablespoons of cornstarch?

2 tablespoons of cornstarch are about 14 grams with the same basis.

How many grams are in 3 tablespoons of cornstarch?

3 tablespoons of cornstarch are about 21 grams in this converter.

How many grams are in 4 tablespoons of cornstarch?

4 tablespoons of cornstarch are about 28 grams with the same basis.

Is corn starch the same query as cornstarch here?

Yes. This page uses the same tablespoon-to-gram basis for cornstarch and corn starch searches.

Can cornstarch tablespoon weight vary?

Yes. Packing and leveling can change the real spoon weight, so this page keeps one explicit tablespoon factor.