Convert Grams to Ounces
Instantly convert Grams (g) to Ounces (oz) with our free online calculator.
Formula: g to oz — multiply by 0.035274
Reference Table
| Grams (g) | Ounces (oz) |
|---|---|
| 1 | 0.035274 |
| 5 | 0.17637 |
| 10 | 0.35274 |
| 25 | 0.881849 |
| 50 | 1.7637 |
| 100 | 3.5274 |
Grams-to-ounces conversion comes up in US kitchens working from European baking recipes, coffee enthusiasts measuring beans by gram for espresso extraction, and jewelers pricing US customers for metric-weighed precious metals. 1 g = 0.035274 ounces. A 500 g block of European butter is about 17.6 oz — almost exactly the same as a US 1-pound (16 oz) pack, a useful substitution rule for transatlantic bakers. Specialty coffee culture in the US adopted gram measurements directly from metric sources, so baristas work in grams daily.
How to Convert Grams to Ounces
Formula
To convert Grams (g) to Ounces (oz): multiply by 0.035274
Step-by-Step
- Start with your value in Grams (g).
- Multiply by 0.035274 to perform the conversion.
- The result is your value expressed in Ounces (oz).
Conversion Factor
1 g = 0.035274 oz
Reverse Factor
1 oz = 28.3495 g
Worked Example
Convert 25 Grams to Ounces: 25 g = 0.881849 oz
About Gram (g)
A metric unit of mass equal to exactly 0.001 kg = 10⁻³ kg. The gram is the everyday working unit for: cooking and recipe measurements (international metric cookbooks; baker's percentages; pre-portioned ingredients), nutrition labels per Codex Alimentarius + EU Regulation 1169/2011 + FDA 21 CFR Part 101 (typical serving sizes 30-250 g; carbohydrates / protein / fat reported per serving in grams; total fat 'low' < 3 g, 'high' > 17.5 g per 100 g per UK Food Standards Agency traffic-light criteria), precious metals (a Tola = 11.66 g; jewelry gold-content quoted in grams), pharmaceutical compounding per USP <795> + EP (active pharmaceutical ingredient API mass in grams; typical excipient masses for tablets 10-500 mg), and analytical chemistry per ASTM E27 / E177 / E1402 (gravimetric analysis precision ±0.0001 g on analytical balance). Reference masses: a US 5-cent nickel is exactly 5.000 g (US Mint specification); a standard paperclip ~1 g; a US penny 2.5 g; a US quarter 5.670 g; a sheet of A4 80 gsm paper 5.0 g; a teaspoon of granulated sugar 4 g; a tablespoon of butter 14 g. International nutrition data is quoted per 100 g for cross-product comparability.
About Ounce (oz)
An imperial unit of mass equal to exactly 1/16 of an avoirdupois pound = 28.349523125 g per NIST SP 811. The avoirdupois ounce is the everyday US small-mass unit for: food portion sizes per FDA 21 CFR 101.9 + USDA Food Patterns (typical protein serving 3 oz cooked meat; 1 oz cheese; 1 oz nuts; 8 oz cup of liquid; lean meat lean 3-4 oz recommended per meal), American cookbook ingredient measurements (1 tablespoon = 0.5 fl oz volume but the 'oz' in 'oz of flour' is mass = 28.35 g), boxing glove weights per Boxing Association rules (typical 8-10 oz pro-boxing; 12-16 oz training-bag), postal rates per USPS (Domestic First-Class up to 13 oz, then Priority Mail rates; international First-Class up to 4 lb in oz increments), and chocolate-bar + nut + cereal-product labeling. Reference values: 1 stick of US butter = 4 oz = 1/2 cup = 8 tablespoons; an Apple iPhone 15 Pro Max ~7.8 oz; a US baseball regulation 5-5¼ oz per MLB rule 3.01. CRITICAL: distinct from troy ounce (~31.103 g, used exclusively for precious metals — 1 troy oz Au differs from 1 avoirdupois oz Au by ~10%, a common confusion when comparing gold quotes to grocery scales). Convert avoirdupois oz to grams by multiplying by 28.349; to troy oz by dividing by 1.097.
Quick Facts
- 1 Gram equals 0.035274 Ounces
- 1 Ounce equals 28.3495 Grams
- Gram is a unit of weight & mass
- Ounce is a unit of weight & mass
- This conversion is commonly used in cooking, shipping, fitness, and scientific research
- The Gram belongs to the metric system
- The Ounce belongs to the imperial system
Common Gram to Ounce Conversions
| Grams (g) | Ounces (oz) |
|---|---|
| 0.01 | 0.00035274 |
| 0.1 | 0.0035274 |
| 0.25 | 0.00881849 |
| 0.5 | 0.017637 |
| 1 | 0.035274 |
| 2 | 0.0705479 |
| 3 | 0.105822 |
| 5 | 0.17637 |
| 10 | 0.35274 |
| 15 | 0.529109 |
| 20 | 0.705479 |
| 25 | 0.881849 |
| 50 | 1.7637 |
| 75 | 2.64555 |
| 100 | 3.5274 |
| 250 | 8.81849 |
| 500 | 17.637 |
| 1000 | 35.274 |
| 5000 | 176.37 |
| 10000 | 352.74 |
Understanding Grams
The Gram (symbol: g) is a unit of weight & mass. A metric unit of mass equal to exactly 0.001 kg = 10⁻³ kg. The gram is the everyday working unit for: cooking and recipe measurements (international metric cookbooks; baker's percentages; pre-portioned ingredients), nutrition labels per Codex Alimentarius + EU Regulation 1169/2011 + FDA 21 CFR Part 101 (typical serving sizes 30-250 g; carbohydrates / protein / fat reported per serving in grams; total fat 'low' < 3 g, 'high' > 17.5 g per 100 g per UK Food Standards Agency traffic-light criteria), precious metals (a Tola = 11.66 g; jewelry gold-content quoted in grams), pharmaceutical compounding per USP <795> + EP (active pharmaceutical ingredient API mass in grams; typical excipient masses for tablets 10-500 mg), and analytical chemistry per ASTM E27 / E177 / E1402 (gravimetric analysis precision ±0.0001 g on analytical balance). Reference masses: a US 5-cent nickel is exactly 5.000 g (US Mint specification); a standard paperclip ~1 g; a US penny 2.5 g; a US quarter 5.670 g; a sheet of A4 80 gsm paper 5.0 g; a teaspoon of granulated sugar 4 g; a tablespoon of butter 14 g. International nutrition data is quoted per 100 g for cross-product comparability.
It belongs to the metric measurement system.
Grams are commonly used in cooking, shipping, fitness, and scientific research.
Understanding Ounces
The Ounce (symbol: oz) is a unit of weight & mass. An imperial unit of mass equal to exactly 1/16 of an avoirdupois pound = 28.349523125 g per NIST SP 811. The avoirdupois ounce is the everyday US small-mass unit for: food portion sizes per FDA 21 CFR 101.9 + USDA Food Patterns (typical protein serving 3 oz cooked meat; 1 oz cheese; 1 oz nuts; 8 oz cup of liquid; lean meat lean 3-4 oz recommended per meal), American cookbook ingredient measurements (1 tablespoon = 0.5 fl oz volume but the 'oz' in 'oz of flour' is mass = 28.35 g), boxing glove weights per Boxing Association rules (typical 8-10 oz pro-boxing; 12-16 oz training-bag), postal rates per USPS (Domestic First-Class up to 13 oz, then Priority Mail rates; international First-Class up to 4 lb in oz increments), and chocolate-bar + nut + cereal-product labeling. Reference values: 1 stick of US butter = 4 oz = 1/2 cup = 8 tablespoons; an Apple iPhone 15 Pro Max ~7.8 oz; a US baseball regulation 5-5¼ oz per MLB rule 3.01. CRITICAL: distinct from troy ounce (~31.103 g, used exclusively for precious metals — 1 troy oz Au differs from 1 avoirdupois oz Au by ~10%, a common confusion when comparing gold quotes to grocery scales). Convert avoirdupois oz to grams by multiplying by 28.349; to troy oz by dividing by 1.097.
It belongs to the imperial measurement system.
Ounces are commonly used in cooking, shipping, fitness, and scientific research.
Why Convert Grams to Ounces?
Converting between Grams and Ounces comes up in many real-world situations. Cooks adapting international recipes, shippers calculating freight costs, and fitness enthusiasts tracking body composition all need reliable weight conversions. Scientific laboratories frequently work across measurement systems when referencing global research, making quick and accurate conversion indispensable.
Frequently Asked Questions
How do I convert Grams to Ounces?
A metric unit of mass equal to exactly 0. To convert Grams to Ounces, multiply by 0.035274. For example, 25 g equals 0.881849 oz.
How many Ounces are in 1 Gram?
There are 0.035274 Ounces in 1 Gram.
How many Grams are in 1 Ounce?
There are 28.3495 Grams in 1 Ounce.
What is the formula for Gram to Ounce conversion?
The formula is: multiply by 0.035274. This means 1 g = 0.035274 oz.
Is a Gram bigger than a Ounce?
Yes. One Gram is larger than one Ounce because 1 g equals 0.035274 oz, which is less than 1.
When do you need to convert between Grams and Ounces?
An imperial unit of mass equal to exactly 1/16 of an avoirdupois pound = 28. Gram and Ounce are both weight units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.