Ounces to Grams Converter
Quick answer: To convert ounces to grams, multiply by 28.34952. For example, 10 oz is 283.4952 g. One ounce equals 28.34952 g.
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Use the Ounces to Grams Converter
Ounces to Grams formula and what each symbol means
g = oz × 28.34952
| Symbol | Meaning |
|---|---|
| oz | Ounce |
| g | Gram |
Ounces to Grams examples
1 oz
1 oz × 28.34952 = 28.34952 g.
10 oz
10 oz × 28.34952 = 283.4952 g.
100 oz
100 oz × 28.34952 = 2,834.952 g.
Ounces compared with Grams
One oz is 28.35 times as large as one g, so your number gets bigger when you convert ounces to grams and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About ounces and grams
Ounce (oz): The avoirdupois ounce, exactly one sixteenth of a pound. Gram (g): One thousandth of a kilogram.
Where ounces to grams conversions are used
Gym plates, luggage allowances and medical dosing by body mass all need a quick, correct mass conversion. Recipes, parcels and body weight are the everyday cases, and they often switch between kilograms, grams, pounds and ounces.
How to calculate Ounces to Grams step by step
- Enter the value in oz (the starting unit).
- Multiply by 28.34952, because 1 oz = 28.34952 g.
- The product is the value in g. To go back, divide by 28.34952 or multiply by 0.03527396.
Popular weight and mass conversions
How to read your Ounces to Grams result
Quick estimate: multiply by about 28 to get grams from ounces; this is within 1.3% of the exact factor. In everyday use the two are treated as the same on Earth, and these converters work on mass.
| OUNCES | GRAMS |
|---|---|
| 1 | 28.34952 |
| 2 | 56.69905 |
| 5 | 141.7476 |
| 10 | 283.4952 |
| 20 | 566.9905 |
| 50 | 1,417.476 |
| 100 | 2,834.952 |
| 1,000 | 28,349.52 |
Grams to Ounces: quick table
| GRAMS | OUNCES |
|---|---|
| 1 | 0.03527396 |
| 5 | 0.1763698 |
| 10 | 0.3527396 |
| 25 | 0.881849 |
| 50 | 1.763698 |
| 100 | 3.527396 |
| 250 | 8.81849 |
| 500 | 17.63698 |
Common mistakes when calculating Ounces to Grams
- Forgetting that a stone is 14 pounds, not 10.
- Dividing when you should multiply: from oz to g multiply by 28.34952; from g to oz divide by 28.34952.
Ounces to Grams FAQ
How many g are in 1 oz?
1 oz equals 28.34952 g.
How many oz are in 1 g?
1 g equals 0.03527396 oz.
Is 1 oz = 28.34952 g an exact conversion?
Yes. The ounce and the gram are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 28.34952 is just that ratio shown to 7 significant figures.
What is an ounce (oz)?
The avoirdupois ounce, exactly one sixteenth of a pound.
How can I estimate ounces to grams in my head?
Quick estimate: multiply by about 28 to get grams from ounces; this is within 1.3% of the exact factor.
What is 25 oz in grams?
25 oz = 708.7381 g (since 25 × 28.34952).
What is 80 oz in grams?
80 oz = 2,267.962 g (since 80 × 28.34952).
What is 500 oz in grams?
500 oz = 14,174.76 g (since 500 × 28.34952).
How many decimals should I keep when converting oz to g?
Match the precision of your original measurement. For example, 283.4952 g rounds to 283 g at 3 significant figures; keep more digits only for engineering or scientific work.
More in Weight and Mass converters
- Ounces to Pounds Converter
- MG to Ounces Converter
- Ounces to Tonnes Converter
- MG to KG Converter
- Pounds to Grams Converter
- MG to Grams Converter
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the SI base units