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Ounces to Grams Converter

1 ounce = 28.3495 grams.

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Result

1 ounce =

28.3495 g

1 oz × 28.3495 = 28.3495 g

1 lb = 0.45359237 kg exactly

The working
  • 1. Convert 1 oz to kilograms: 1 × 0.0283495 = 0.0283495.
  • 2. Convert to g: 0.0283495 ÷ 0.001 = 28.3495.

1 oz in every unit

Micrograms28,349,500 µg
Milligrams28,349.5 mg
Grams28.3495 g
Kilograms0.0283495 kg
Metric tonnes2.83495e-5 t
Ounces1 oz
Pounds0.0625 lb
Stone0.00446429 st
US tons3.125e-5 US ton
UK tons2.79018e-5 UK ton

Everyday weights

Bag of sugar
1 kg
Newborn baby
3.5 kg
Adult (average)
70-80 kg
Small car
1,000 kg

Conversion table

Ounces to Grams

Ounces to Grams
OuncesGrams
128.35
256.699
385.049
4113.4
5141.75
6170.1
7198.45
8226.8
9255.15
10283.5
15425.24
20566.99
25708.74
501,417.5
1002,835

Grams to Ounces

Grams to Ounces
GramsOunces
10.035274
20.070548
30.10582
40.1411
50.17637
60.21164
70.24692
80.28219
90.31747
100.35274
150.52911
200.70548
250.88185
501.7637
1003.5274

Formula and worked example

grams = ounces × 28.34952313 (1 ounce is exactly 28.349523125 g).

Convert 8 ounces to grams: 8 × 28.349523 = 226.796 g.

When you need this

Following a US recipe on a metric scale, comparing snack pack sizes or posting a parcel all need ounces turned into grams.

Questions people ask

How many grams are in a ounce?

One ounce is 28.349523 grams. 1 ounce is exactly 28.349523125 g.

How do I convert ounces to grams?

Multiply the number of ounces by 28.349523.

What is 10 oz in g?

10 ounces is 283.495 grams.

How do I convert grams back to ounces?

Multiply by 0.035273962: one gram is 0.035273962 ounces.

Related conversions

How we calculate this

We use the standard published formula or definition for this calculation, and we show the working so you can check it. Source: NIST Special Publication 811, Guide for the Use of the International System of Units.

Spotted a mistake? Tell us and we'll check it. How we check our calculators