Grams to Ounces
Convert grams to ounces for cooking and packaging. Enter any gram value — get ounces for recipes, food labels, postal rates, and US retail pricing.
Enter your values above to see the results.
Tips & Notes
- ✓Quick estimate: divide grams by 28 for approximate ounces (1.6% high). For cooking: 100 g ÷ 28 = 3.57 oz (exact: 3.527 oz). Precise baking demands the exact factor 0.035274.
- ✓Cooking reference: 1 cup of water = 236.6 g = 8.345 oz. 1 cup flour (all-purpose, sifted) = 120 g = 4.23 oz. 1 cup granulated sugar = 200 g = 7.05 oz. 1 cup butter = 227 g = 8.0 oz. 1 tablespoon = approx 14-15 g = 0.5 oz.
- ✓Food labeling: EU products list weight in grams; US products in ounces or lbs. Regulations require both on goods sold in the US. A 400 g can = 14.11 oz; a 500 g package = 17.64 oz; a 250 g bar = 8.82 oz.
- ✓Letter and parcel post: USPS rates change at 1 oz intervals. A single sheet of paper weighs approx 4.5 g = 0.16 oz. A standard business letter (one sheet + envelope) weighs approx 20-25 g = 0.71-0.88 oz — within the first-class 1-oz tier.
- ✓Coffee: specialty coffee is dosed in grams. A standard espresso uses 18-20 g of ground coffee. A bag of coffee is typically 250 g = 8.82 oz or 340 g = 12 oz. Single-serve pods: 9-11 g = 0.32-0.39 oz of coffee.
Common Mistakes
- ✗Confusing avoirdupois ounces with fluid ounces — 1 oz (weight) = 28.3495 g; 1 fl oz (volume) ≈ 29.574 ml for water. They are nearly the same for water but different for other liquids. A recipe asking for 4 oz of cream cheese means 113.4 g (weight), not 4 fl oz (volume).
- ✗Confusing avoirdupois ounces with troy ounces — troy ounce = 31.1035 g (used for gold, silver, platinum); avoirdupois ounce = 28.3495 g (standard food/postal ounce). A troy ounce of gold is 9.76% heavier than a regular ounce.
- ✗Using rounded conversion (28 g/oz) for precision baking — bread and pastry recipes are particularly sensitive to ingredient ratios. Using 28 g instead of 28.3495 g per oz introduces errors: 10 oz of flour = 283 g (approximate) vs. 283.495 g (exact). Tiny but cumulative.
- ✗Not taring (zeroing) scales before measuring — when converting recipe ingredients from oz to grams, the tare function zeroes the scale with the bowl on it. Forgetting to tare means the bowl weight (typically 200-500 g) is included in the ingredient measurement.
- ✗Applying grams-to-oz to liquid recipe measurements — for liquids in cooking, volume measurements (ml, cups) are often more practical than weight measurements (g, oz). 1 ml of water = 1 g, but 1 ml of honey ≈ 1.4 g. Always verify whether a recipe uses weight or volume ounces.
Grams to Ounces Overview
Grams are the metric cooking and packaging standard — precise, scalable, and universal. Converting to ounces bridges European recipe books, international food labels, and metric kitchen scales to the US system where ounces remain the standard for food retail and postal weight.
Grams to ounces formula:
oz = g × 0.035274 | 1 oz = 28.3495 g | Quick: oz ≈ g ÷ 28
EX: European recipe calls for 225 g butter → 225 × 0.035274 = 7.94 oz ≈ 8 oz (2 US sticks). Package labeled 400 g → 400 × 0.035274 = 14.11 ozInverse — ounces to grams:
g = oz × 28.3495 | 1 lb (16 oz) = 453.592 g
EX: Recipe calls for 8 oz chocolate → 8 × 28.3495 = 226.8 g. 3.5 oz letter limit → 3.5 × 28.3495 = 99.2 g maximum letter weightCommon cooking ingredient weights — grams to ounces:
| Ingredient | Grams (g) | Ounces (oz) | US Cup Equivalent |
|---|---|---|---|
| All-purpose flour | 120 g | 4.23 oz | 1 cup (sifted) |
| Granulated sugar | 200 g | 7.05 oz | 1 cup |
| Brown sugar (packed) | 220 g | 7.76 oz | 1 cup |
| Butter | 227 g | 8.01 oz | 1 cup / 2 sticks |
| Honey | 340 g | 12.0 oz | 1 cup |
| Rolled oats | 90 g | 3.17 oz | 1 cup |
| Cocoa powder | 85 g | 3.0 oz | 1 cup |
| Metric (g) | Ounces (oz) | Pounds | Common Product |
|---|---|---|---|
| 28 g | 1.0 oz | 0.063 lbs | Single-serve snack |
| 100 g | 3.53 oz | 0.220 lbs | Small chocolate bar |
| 250 g | 8.82 oz | 0.551 lbs | Butter, coffee |
| 454 g | 16.0 oz | 1.0 lb | US standard pound |
| 500 g | 17.64 oz | 1.102 lbs | Pasta, cereals (EU) |
| 1,000 g | 35.27 oz | 2.205 lbs | 1 kg bag (flour, sugar) |
Frequently Asked Questions
Multiply grams by 0.035274. Examples: 1 g = 0.035 oz; 28.35 g = 1 oz; 100 g = 3.527 oz; 200 g = 7.055 oz; 250 g = 8.818 oz; 500 g = 17.637 oz; 1,000 g (1 kg) = 35.274 oz = 2.205 lbs. Quick mental math: divide grams by 28 for a close approximation (within 1.6%). For exact results, always use 0.035274 or divide by 28.3495.
Common baking ingredient conversions: 120 g flour = 4.23 oz; 200 g sugar = 7.05 oz; 100 g butter = 3.53 oz; 50 g cocoa = 1.76 oz; 5 g salt = 0.18 oz; 7 g yeast (1 packet) = 0.25 oz; 60 g chocolate chips = 2.12 oz; 80 g rolled oats = 2.82 oz; 300 g berries = 10.58 oz; 450 g cream cheese = 15.87 oz. When a European recipe calls for 250 g of flour, US bakers measuring in cups should know 250 g flour ≈ 2 cups (loosely packed) or about 1.75 cups (sifted).
Avoirdupois ounce (oz): 28.3495 g — used for food, postal, and everyday weight. 16 avoirdupois oz = 1 pound. Troy ounce (ozt): 31.1035 g — used exclusively for precious metals (gold, silver, platinum, palladium) and gemstones. 12 troy oz = 1 troy pound. A troy ounce is 9.7% heavier than a regular ounce. When a jeweler says "1 oz of gold," they mean 1 troy oz = 31.1035 g ≈ $1,900-2,400 depending on market price. When a grocery label says "1 oz of cereal," it means 28.3495 g.
US food labeling (FDA 21 CFR 101.105): packaged food must declare net weight in both the customary US unit (oz, lbs) and metric (g, kg) for items under 4 lbs / 1.8 kg, or just kg above that. Common package sizes: single-serve snack 28 g = 1 oz; granola bar 40 g = 1.41 oz; candy bar 43 g = 1.52 oz; chip bag 170 g = 6 oz; cereal box 500 g = 17.64 oz; pasta 453.6 g = 16 oz (= 1 lb); canned goods 400 g = 14.11 oz. Internationally, package sizes are standardized in round gram values; US packages often use round oz or pound values.
US postal rates (USPS) are based on ounces for First-Class Mail. First-class letter: 1 oz (28.35 g) or less — standard rate; each additional oz adds to cost up to 3.5 oz max for letters. Flat (large envelope): up to 13 oz. Parcel: over 16 oz (453.6 g) switches to Priority Mail pricing. A standard sheet of 20 lb (75 gsm) paper weighs 5 g = 0.176 oz. A greeting card with envelope: approximately 25-35 g = 0.88-1.23 oz. International First-Class Packages: up to 4 lbs (1.814 kg), rates by destination zone.
Nutrition facts panels list macronutrients in grams: protein 25 g = 0.88 oz; carbohydrates 30 g = 1.06 oz; fat 10 g = 0.35 oz per serving. Supplement dosing is in grams or milligrams: creatine 5 g/day = 0.176 oz; protein powder serving 30 g = 1.06 oz; fish oil capsule 1 g = 0.035 oz. Herbal medicine often references both: 500 mg capsule = 0.5 g = 0.0176 oz. Daily fiber recommendation 25-38 g = 0.88-1.34 oz. Understanding gram quantities helps contextualize nutrition recommendations that seem abstract in small decimal-ounce amounts.