How do I convert ounces to grams?

To convert avoirdupois ounces to grams, multiply the ounce value by 28.3495. For example, 10 oz × 28.3495 = 283.495 g. For troy ounces (precious metals), multiply by 31.1035.

What is the formula for ounces to grams?

Grams = ounces × 28.3495. Inversely: ounces = grams / 28.3495. The avoirdupois ounce (28.3495 g) is the standard ounce used in the US for food, body weight, and most measurements.

How many grams is 1 ounce?

1 avoirdupois ounce = 28.3495 grams. 1 troy ounce = 31.1035 grams. For everyday use, 1 oz ≈ 28 g. In cooking, 1 oz is often rounded to 28 g or 30 g.

How many ounces are in 100 grams?

100 g ≈ 3.5274 oz (about 3½ oz). Common reference: 100 g is a typical serving size for meat, fish, or pasta in many countries.

> >Ounces to Grams Converter

Ounces to Grams Converter

Convert avoirdupois ounces (oz) to grams (g) with this easy-to-use weight converter.

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External Resources

Wikipedia: Ounce Wikipedia: Gram NIST: Metric System

Frequently Asked Questions

How do I convert ounces to grams?: To convert avoirdupois ounces to grams, multiply the ounce value by 28.3495. For example, 10 oz × 28.3495 = 283.495 g. For troy ounces (precious metals), multiply by 31.1035.
What is the formula for ounces to grams?: Grams = ounces × 28.3495. Inversely: ounces = grams / 28.3495. The avoirdupois ounce (28.3495 g) is the standard ounce used in the US for food, body weight, and most measurements.
How many grams is 1 ounce?: 1 avoirdupois ounce = 28.3495 grams. 1 troy ounce = 31.1035 grams. For everyday use, 1 oz ≈ 28 g. In cooking, 1 oz is often rounded to 28 g or 30 g.
How many ounces are in 100 grams?: 100 g ≈ 3.5274 oz (about 3½ oz). Common reference: 100 g is a typical serving size for meat, fish, or pasta in many countries.
What is the difference between avoirdupois and troy ounces?: Avoirdupois oz = 28.3495 g (food, packages, people). Troy oz = 31.1035 g (gold, silver, platinum). Troy ounces are 9.7% heavier. Always verify which system you need for precious metals.
How do I convert ounces to grams for cooking?: Cooking: 1 oz = 28.35 g, 4 oz (¼ lb) = 113.4 g, 8 oz (½ lb) = 226.8 g, 12 oz (¾ lb) = 340.2 g, 16 oz (1 lb) = 453.6 g. US recipes use ounces; metric recipes use grams.
How do I estimate ounces to grams?: Quick estimation: multiply ounces by 28. Example: 4 oz × 28 = 112 g (actual: 113.4 g). Or multiply by 30 for a rough overestimate: 4 × 30 = 120 g. The first method is more accurate.
What is the origin of the avoirdupois system?: The avoirdupois system was developed in England for weighing goods. "Avoirdupois" means "goods of weight" in Old French. It was standardized in the 13th-14th centuries with the pound of 16 ounces (7,000 grains).
How do I convert ounces to grams in Excel?: Use =A1*28.3495 to convert ounces (in A1) to grams. Or use =CONVERT(A1,"ozm","g") for avoirdupois. For troy: =A1*31.1035 or =CONVERT(A1,"ozt","g").
What is the ounces to grams conversion for 16 ounces?: 16 oz (1 lb) = 453.592 g. A US pound is exactly 453.59237 grams. Common: 1 lb butter = 454 g, 1 lb ground meat = 454 g, 1 lb flour ≈ 3.6 cups (varies by type).
How do I convert fluid ounces to grams?: Fluid ounces measure volume, not weight. For water: 1 fl oz = 29.574 mL ≈ 29.574 g. For other liquids, multiply by density: milk 1 fl oz ≈ 30.4 g, oil 1 fl oz ≈ 27.2 g, honey 1 fl oz ≈ 41.5 g.
What is the ounces to grams conversion for 8 ounces?: 8 oz (½ lb) = 226.796 g. Common: 8 oz steak, 8 oz coffee cup (US), 8 oz package of cheese. A US cup of water weighs 8.33 oz (236.6 g).
How do I convert ounces to grams for gold?: Gold uses troy oz: 1 troy oz = 31.1035 g. Conversion: 1 troy oz gold = 31.1035 g. Prices: gold at $2,000/troy oz = $64.30/g. Common bars: 1 oz = 31.1 g, 10 oz = 311 g, 1 kg = 32.15 troy oz.
What is the ounces to grams conversion for 4 ounces?: 4 oz (¼ lb) = 113.398 g. Common: 4 oz butter stick (½ US cup), 4 oz serving of meat, 4 oz cream cheese block. Many recipes call for 4 oz portions.
How do I convert ounces to grams for baby weight?: Baby weight: 7 lb 8 oz = 3,402 g (3.402 kg). Formula: convert pounds to kg (÷ 2.205), add ounces (× 28.35). Most countries use kg for baby weight; the US uses lb and oz.
How do I convert ounces to grams for chocolate?: Chocolate bars: US 1.55 oz = 43.9 g, 3.5 oz = 99.2 g, 7 oz = 198.4 g. European chocolate: 100 g = 3.53 oz. Baking chocolate: 1 square = 1 oz = 28 g (typically).
What is the ounces to grams conversion for 12 ounces?: 12 oz (¾ lb) = 340.194 g. Common: 12 oz soda can (355 mL), 12 oz steak, 12 oz bag of coffee beans, 12 oz package of frozen vegetables. A 12 oz beer is 354 mL.
How do I convert ounces to grams for body weight?: Body weight: 100 lb = 1,600 oz = 45,359 g = 45.36 kg. 150 lb = 68.04 kg, 200 lb = 90.72 kg. Most digital scales can switch between lb and kg.
What is the ounces to grams conversion for 2 ounces?: 2 oz = 56.699 g. Common: 2 oz serving of pasta (dry), 2 oz cheese, 2 oz cream cheese, 2 oz ketchup packet. A US shot glass is 1.5 oz (42.5 g of water).
How do I convert ounces to grams for spices?: Spice jars: 1 oz = 28 g (standard spice jar), 2 oz = 57 g (large spice jar), 4 oz = 113 g (bulk spice). Ground spices weigh differently: 1 tbsp ground cinnamon ≈ 8 g, 1 tbsp black pepper ≈ 7 g.
What is the difference between US and metric food labels?: US labels list both oz and g. 1 oz = 28 g (USDA rounding). Serving sizes: 2 oz (56 g), 3 oz (85 g), 4 oz (113 g). EU labels only use grams. Always check which unit is used for nutrition.
How do I convert ounces to grams for protein powder?: Protein scoops: 1 scoop ≈ 30 g = 1.06 oz. 2 lb tub (32 oz) = 907 g. 5 lb tub (80 oz) = 2,268 g. Recommended intake: 20-30 g protein per serving (0.7-1.06 oz).
What is the ounces to grams conversion for 32 ounces?: 32 oz = 907.185 g ≈ 0.907 kg. Common: 32 oz water bottle (1 quart), 32 oz yogurt tub, 32 oz deli container. A 32 oz (2 lb) package of cheese or meat.
How do I convert ounces to grams for silver?: Silver uses troy oz: 1 troy oz = 31.1035 g. Silver coins: 1 oz American Silver Eagle = 31.103 g. Silver bars: 10 oz = 311 g, 100 oz = 3,110 g. Silver prices are per troy ounce.
What is the ounces to grams conversion for 6 ounces?: 6 oz = 170.097 g. Common: 6 oz yogurt cup, 6 oz can of tomato paste, 6 oz serving of fish. A US cup of chocolate chips is about 6 oz (170 g).
How do I convert ounces to grams for deli meats?: Deli meat: 2 oz serving ≈ 57 g (sandwich portion), 4 oz = 113 g, 8 oz = 227 g (¼ lb or ½ lb). US deli sells by the pound; European deli sells by the gram.
What is the ounces to grams conversion for 24 ounces?: 24 oz = 680.389 g = 1.5 lb. Common: 24 oz steak (large), 24 oz water bottle, 24 oz jar of pasta sauce. A 24 oz container is approximately 710 mL.
How do I convert ounces to grams for letters/mail?: US postal: 1 oz letter = 28 g max for First Class. Additional ounces: each extra oz = 28 g. International: rates based on weight tiers (100 g, 250 g, 500 g, 1 kg, 2 kg).
What is the ounces to grams conversion for 10 ounces?: 10 oz = 283.495 g. Common: 10 oz bag of frozen vegetables, 10 oz steak, 10 oz mug of coffee. A standard coffee mug holds 8-12 oz (227-340 g of liquid).
How do I convert ounces to grams for resin?: Epoxy resin is often sold by weight: 8 oz kit = 227 g, 16 oz = 454 g, 32 oz = 907 g, 64 oz = 1,814 g (1.8 kg). Mix ratios are by volume or weight depending on the product.
What is the ounces to grams conversion for 3 ounces?: 3 oz = 85.049 g. Common: 3 oz serving of meat (recommended portion), 3 oz can of tuna (small), 3 oz cream cheese (standard block is 8 oz = 227 g).