Updated · Methodology: named formula library
1 g = 0.035274 oz. To convert g to oz, multiply by 0.035274. To convert oz back to g, multiply by 28.35.
Grams to Ounces
Convert grams to ounces.
1 g converts to 0.0353 oz.
1 g = 0.035274 oz. To convert g to oz, multiply by 0.035274. To go the other direction, multiply oz by 28.3495.
How the conversion works
The relationship is linear: every value of g maps to exactly 0.035274 oz, scaling proportionally. 1 ounce (avoirdupois) equals exactly 28.349523125 grams, derived from the 1959 definition of the pound (1 lb = 453.59237 g, 1 lb = 16 oz).
Common conversion values
- 1 g = 0.035274 oz
- 10 g = 0.35274 oz
- 100 g = 3.5274 oz
- 1,000 g = 35.274 oz
See the [forward](#chart) and [reverse](#reverse-chart) charts below for additional values.
Quick mental shortcut
Quick estimate: divide grams by 30 for an approximate ounce count.
Accuracy note
The factor used here (0.035274) is rounded to 6 significant figures, which is sufficient for most everyday use including cooking, fitness, height comparisons, and shipping. For scientific, engineering, or trade-regulated contexts, use the full-precision factor or the official defining relationship cited above. Conversions in this calculator are computed at full double-precision; only the displayed values are rounded.
Worked Example
Convert 1 g to oz
- value
- 1
- Result
- 0.0353 oz
1 × 0.035274 = 0.0353 oz.
g to oz Chart
| g | oz |
|---|---|
| 1 g | 0.035274 oz |
| 2 g | 0.070548 oz |
| 3 g | 0.105822 oz |
| 5 g | 0.17637 oz |
| 10 g | 0.35274 oz |
| 20 g | 0.70548 oz |
| 25 g | 0.88185 oz |
| 50 g | 1.764 oz |
| 75 g | 2.646 oz |
| 100 g | 3.527 oz |
| 200 g | 7.055 oz |
| 500 g | 17.637 oz |
| 1,000 g | 35.274 oz |
| 5,000 g | 176.37 oz |
Multiplier: × 0.035274
oz to g Chart
| oz | g |
|---|---|
| 1 oz | 28.35 g |
| 2 oz | 56.699 g |
| 3 oz | 85.049 g |
| 5 oz | 141.75 g |
| 10 oz | 283.49 g |
| 20 oz | 566.99 g |
| 25 oz | 708.74 g |
| 50 oz | 1,417.47 g |
| 75 oz | 2,126.21 g |
| 100 oz | 2,834.95 g |
| 200 oz | 5,669.9 g |
| 500 oz | 14,175 g |
| 1,000 oz | 28,349 g |
| 5,000 oz | 141,747 g |
Multiplier: × 28.35
Common Specific Values
10 g to oz
10 g equals 0.35274 oz. (10 × 0.035274 = 0.35274)
25 g to oz
25 g equals 0.88185 oz. (25 × 0.035274 = 0.88185)
50 g to oz
50 g equals 1.764 oz. (50 × 0.035274 = 1.764)
100 g to oz
100 g equals 3.527 oz. (100 × 0.035274 = 3.527)
500 g to oz
500 g equals 17.637 oz. (500 × 0.035274 = 17.637)
When to Use This Calculator
- Convert between metric and imperial without searching for factors.
- Verify a unit-aware calculation in engineering, science, or cooking.
- Translate specifications across U.S. and international standards.
Limitations & Common Mistakes
- Results are estimates, real-world outcomes depend on factors not captured in a simplified calculation.
- Always verify critical numbers against an authoritative source or domain expert before acting on them.
Frequently Asked Questions
How do you convert g to oz?
Multiply by 0.035274. So 1 g = 0.035274 oz, and 10 g = 0.3527 oz. This conversion factor is exact (or rounded to 4 decimals for practical use).
Where does the 0.035274 come from?
It's the standard SI/US-customary conversion factor for g → oz, defined by NIST and BIPM. The CalcIntel Grams to Ounces uses the same factor your physics textbook, government conversion table, and Wolfram Alpha would use.
How accurate is this conversion?
Mathematically exact. The only loss of precision comes from rounding the displayed result to 4 decimals. For scientific applications requiring more precision, multiply by the factor manually.
Can I convert in the other direction?
Yes — divide by 0.035274 to convert from oz back to g, or use the CalcIntel oz-to-g calculator if available.
Is 30g equal to 1 oz?
30 g equals 1.0582 oz — that's different from 1 oz. Use the chart below for exact values at common quantities.
How many grams are in an ounce?
1 g = 0.035274 oz, and 1 oz = 28.3495 g. The two units are linearly related — see the chart below for common values.
Is 100g the same as 4 oz?
100 g equals 3.5274 oz — that's different from 4 oz. Use the chart below for exact values at common quantities.
Is 250 grams 8 oz?
250 g equals 8.8185 oz — that's different from 8 oz. Use the chart below for exact values at common quantities.
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Source: BLS Consumer Price Index, 2026.