Units

Cups to Grams Calculator

Value (cups)

cups

g value

120 g

1 cups =: 120 g
cups from same number of g: 0.0083 cups

Convert cups to grams for baking (default: all-purpose flour ≈ 120 g/cup).

By Kim H. · Reviewed by Dr. Lena Ortiz · Updated 2026-06-03

How to use this calculator

Enter the amount in cups.
Read the equivalent value in g.
The '1 cups =' line is the exact conversion factor.
Use the reverse line to convert g back to cups.

Formula

g = cups × 120

cups — the value you are converting
120 — g in one cups

Worked example

1 cup of all-purpose flour is about 1 × 120 = 120 grams; 2 cups is roughly 240 grams.

Frequently asked questions

How many grams in a cup?

It depends on the ingredient — flour ≈ 120 g, sugar ≈ 200 g, water ≈ 240 g per cup.

Why does it vary?

Cups measure volume, grams measure mass, and ingredients have different densities.

Which cup size?

This uses the US customary cup (240 mL).

Best for baking?

Weighing in grams is more accurate than cups.

How to reverse?

See the grams-to-cups calculator.

Related calculators

Kim H. · Author

Reviewed by Dr. Lena Ortiz · Updated 2026-06-03

Sources

NIST — Unit conversions — Standard conversion factors.

Methodology · Report an error

Embed this calculator

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View answer.json (AI feed)

{
  "tool": "cups-to-grams",
  "question": "How does the Cups to Grams Calculator work?",
  "answer": "Convert cups to grams for baking (default: all-purpose flour ≈ 120 g/cup).",
  "formula": "g = cups × 120",
  "inputs": [
    {
      "id": "value",
      "label": "Value (cups)",
      "unit": "cups"
    }
  ],
  "sources": [
    {
      "name": "NIST — Unit conversions",
      "url": "https://www.nist.gov/pml/owm",
      "note": "Standard conversion factors."
    }
  ],
  "updated": "2026-06-03"
}