CookingGrams to Cups

Granulated Sugar Grams to Cups

Updated: March 1, 2026

Snapshot

100 grams of granulated sugar equals 0.51 cups.

  • Reference basis: 198 g per 1 US cup.
  • Example: 250 g = 1.26 cups (about 1 1/4 cups).

Interactive conversion

Converter Calculator

Decimals: 1.5 or 1,5. Fractions: 1/2. Scientific notation: 1e3. Write 1000 without grouping separators.

0.51 Cups

Switch
100 grams

With 100 grams of Granulated Sugar, you get a little over half a cup.

API and AI agent access

Granulated Sugar Grams to Cups. Material: granulated-sugar.

Machine-readable identifiers

Conversion family
cooking
Source unit
gram
Target unit
cup_us
Ingredient
granulated-sugar

Use these identifiers in the API request. Sources and model limits also apply to software clients.

Example API request and response

POST /api/v1/convert

Request

{
  "family": "cooking",
  "value": 100,
  "from": "gram",
  "to": "cup_us",
  "material": "granulated-sugar"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "cooking",
    "value": 100,
    "from": "gram",
    "to": "cup_us",
    "result": {
      "raw": 0.5050505050505051,
      "display": "0.51"
    },
    "canonicalPath": "/cooking/grams-to-cups/granulated-sugar/"
  }
}
API, OpenAPI and WebMCP documentation

Explanation

Calculation basis: 1 divided by the recorded grams-per-US-cup value.

Granulated Sugar uses a recorded reference of 198 grams per US cup in this dataset. Confidence: high. Source basis: King Arthur weight chart

Evidence status: reference-recorded. The source note is recorded; this does not certify every preparation or measurement condition. The result is a reference estimate. Match the named ingredient and recorded preparation; weigh the serving when actual mass is required.

Common Conversion Values

GramsCups
25 0.13 (about 1/8 cup)
50 0.25 (about 1/4 cup)
75 0.38 (about 3/8 cup)
100 0.51
150 0.76
200 1.01
250 1.26
500 2.53

Questions & answers

Frequently Asked Questions

Does crystal size or packing change the result for Granulated Sugar?

Granulated Sugar keeps one reference basis here, but crystal size, moisture, and caking can shift how much fits in a spoon or cup. That matters more with sugars and sweeteners than with a purely liquid measure.