CookingOunces to Cups

Rice Ounces by Weight to Cups

Updated: July 25, 2026

Methodology·How We Verify

Snapshot

1 ounce of rice equals 0.13 cups.

Reference basis: 210 g per 1 US cup.
Example: For 8 ounces by weight of dry rice, the result is about 1.04 US cups.

Interactive conversion

Converter Calculator

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

0.13 Cups

Switch

API and AI agent access

Rice Ounces by Weight to Cups. Material: rice.

Machine-readable identifiers

Conversion family: cooking
Source unit: ounce_weight
Target unit: cup_us
Ingredient: rice

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": 1,
  "from": "ounce_weight",
  "to": "cup_us",
  "material": "rice"
}

Essential response

{
  "ok": true,
  "conversion": {
    "family": "cooking",
    "value": 1,
    "from": "ounce_weight",
    "to": "cup_us",
    "result": {
      "raw": 0.13499761904761903,
      "display": "0.13"
    },
    "canonicalPath": "/cooking/ounces-to-cups/rice/"
  }
}

API, OpenAPI and WebMCP documentation

Explanation

The converter converts weight ounces of dry rice into measuring-cup volume. It does not convert fluid ounces, and it does not apply to cooked rice, which absorbs water and has a substantially different weight per cup.

Divide dry-rice ounces by the fixed ounces-per-US-cup basis used by the mirror converter. Grain type and settling can shift a real cup, so use the result as a repeatable kitchen reference.

Rice uses a recorded reference of 210 grams per US cup in this dataset. Confidence: low. Source basis: and1 ingredient weight chart: 1 cup rice = 210 g https://www.and1.com/measurements/cups-in-gram/

Evidence status: source-unverified. The cited AND1 source has not been independently verified. Its current domain context does not establish the original measurement. Particle size, aeration, settling, and whether the cup is scooped or spoon-filled can materially change the mass held by the same volume.

Reference & Scope

The conversion distinguishes dry rice measured by weight from cooked rice and from fluid ounces.

Common Conversion Values

Ounces	Cups
1	0.13
2	0.27
4	0.54
6	0.81
8	1.08
12	1.62
16	2.16
24	3.24

Questions & answers

Frequently Asked Questions

Are these fluid ounces?

No. The input is ounces by weight, not fluid ounces of volume.

Does this work for cooked rice?

No. Cooking adds water and changes the cup weight, so cooked rice needs a separate basis.