CookingGrams to Cups

All-purpose Flour Grams to Cups

Updated: March 1, 2026 · Source: King Arthur Baking – Ingredient Weight Chart (All-purpose Flour: 1 cup = 120 g)

Snapshot

100 grams of all-purpose flour equals 0.83 cups. Conversion Encyclopedia keeps one fixed ingredient basis on this page so the calculator, common values, and reverse page stay aligned.

  • Reference basis: 120 g per 1 US cup.
  • Example: 250 g = 2.08 cups (about 2 1/8 cups).
  • Source basis: King Arthur Baking – Ingredient Weight Chart.

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

Interactive conversion

Converter Calculator

0.83 Cups

Switch
100 grams

With 100 grams of All-purpose Flour, you get almost one full cup.

Machine access

Available to apps and AI agents

All-purpose Flour Grams to Cups can be requested through Conversion Encyclopedia's structured interfaces by software and compatible AI agents. The all-purpose-flour 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
gram
Target unit
cup_us
Ingredient
all-purpose-flour

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": 100,
  "from": "gram",
  "to": "cup_us",
  "material": "all-purpose-flour"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "cooking",
    "value": 100,
    "from": "gram",
    "to": "cup_us",
    "result": {
      "raw": 0.8333333333333334,
      "display": "0.83"
    },
    "canonicalPath": "/cooking/grams-to-cups/all-purpose-flour/"
  }
}
Full API documentation

Explanation

Use the same 120 g per US cup reference to express all-purpose flour weight as US cups.

Gram-based recipes and cup-based prep therefore use one explicit assumption. That is especially useful for baking and dough work, where small differences in flour volume can change hydration and texture. Very small gram amounts are too little to measure reliably in a cup, so cup measuring only becomes practical at larger weights. All-purpose Flour can vary with milling, aeration, and scoop style, so the page keeps one explicit basis instead of mixing spooned, packed, and sifted outcomes.

Method & Cup Basis

  • Method basis: reverse cup conversion anchored to 120 g per 1 US cup.
  • Applied formula: cups = grams ÷ 120.
  • Consistency rule: snapshot, calculator, FAQ, and table use the same ingredient-specific basis.
  • Source: King Arthur Baking – Ingredient Weight Chart (All-purpose Flour: 1 cup = 120 g)

Common Conversion Values

GramsCups
25 0.21
50 0.42
75 0.63 (about 5/8 cup)
100 0.83
150 1.25 (about 1 1/4 cups)
200 1.67 (about 1 2/3 cups)
250 2.08
500 4.17

Methodology

All-purpose Flour: grams to cups evidence

Direction calculation: All-purpose Flour — 1 gram equals 0.008333333333 US cups. Reference: 120 g/US cup. Source basis: King Arthur Ingredient Weight Chart (All-Purpose Flour: 1 cup = 120g)

Among the 35 reviewed records labeled Flours & Grains, the nearest factor to All-purpose Flour is Bread Flour at 120 g/cup: a difference of 0 g/cup (0.0% relative to All-purpose Flour). The observed range in this labeled group is Panko Breadcrumbs at 80 g/cup to Pearl Barley at 213 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

How many cups is 100 g of All-purpose Flour?

100 g of All-purpose Flour is 0.83 cups (about 7/8 cup) using 120 g per cup.

Does this use the same factor as the Cups To Grams page?

Yes. The mirror page uses the same 120 g-per-cup factor, only in the opposite direction.

Do scoop style or settling change the result for All-purpose Flour?

All-purpose Flour keeps one spoon-and-level reference basis here, but scoop style, aeration, and settling can change practical density. Spooned, packed, and sifted flour do not weigh the same by volume.

How many cups is 250 g of All-purpose Flour?

250 g of All-purpose Flour is 2.08 cups (about 2 1/8 cups) using 120 g per cup.

How do I convert All-purpose Flour cups back to grams?

Use the mirror Cups To Grams page; multiply cups by 120 to return grams.