1 gram of Peanut Butter in cups

Reviewed by CupOrGram Editorial TeamData methodology: NIST-derived density references + recipe testing notesMethodology
Answer
0.0039 cups
Based on peanut butter density of 1.08 g/ml
Source: NIST-DB-72
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Quick Reference Table

gramscups
10 grams0.04 cups
25 grams0.10 cups
50 grams0.20 cups
100 grams0.39 cups
150 grams0.59 cups
200 grams0.78 cups
250 grams0.98 cups
500 grams2.0 cups

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Density-accurate conversions for baking

0.0039
cups
Science Note: Precision within +/-0.002g
Accuracy: +/-0.002gHow this is calculatedSource: NIST-DB-72

Why this conversion matters

Peanut Butter has a density of 1.08 g/ml, which means it's close to the density of water. Using weight-based measurements gives you consistent results every time.

Recipe Context for Peanut Butter

For nut flours: weigh to avoid dry or greasy texture swings.

For seed gels: hydration ratio directly affects binding strength.

For toppings: weight gives consistent coverage and bake color.

Common Pitfalls

  • Switching brands without re-checking weight can change texture and bake time.
  • Using volume-only measurements for dense ingredients can overshoot recipe targets.

Brand Variance Example

Baseline on this page: 1 cup peanut butter = 258g. Real-world range can shift by about 9% because cut size, grind consistency, and oil content alter packing behavior.

Example for 2 cups: baseline 516g, common range 470g-562g. If your bake is texture-sensitive, start with the lower bound and adjust after a test batch.

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