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Updated March 2026

Ounces to Grams Conversion

Quick formula: grams = oz ร— 28.35 โ€” with common conversions

โšกQuick Answer

1 ounce = 28.35 grams (roughly 28 g). Quick trick: multiply ounces by 28 for a fast estimate. 4 oz โ‰ˆ 113 g.

oz
=
28.3g

Step-by-Step Guide

1

The Formula

grams = ounces ร— 28.35 โ€” For quick math, multiply by 28.

๐Ÿ’ก28 is close enough for cooking and everyday use!
2

Common Conversions

1 oz = 28.4 g | 2 oz = 56.7 g | 4 oz = 113.4 g | 8 oz = 226.8 g | 16 oz (1 lb) = 453.6 g

๐Ÿ’ก8 oz = about 227 g is roughly half a pound.
3

Quick Mental Math

Multiply by 28 or by 30 minus 7%. Example: 5 oz ร— 28 = 140 g (exact: 141.75 g).

๐Ÿ’กFor cooking, rounding to 30 grams per ounce works in a pinch!
4

Example Calculation

Convert 6 oz to grams: 6 ร— 28.35 = 170.1 grams.

๐Ÿ’กUseful for baking: 1 cup of flour โ‰ˆ 4.5 oz โ‰ˆ 128 g.

Frequently Asked Questions

How many grams is 1 oz?

1 ounce equals 28.35 grams. For quick estimates, use 28 grams per ounce.

How do I convert grams to ounces?

Divide grams by 28.35. For quick math: grams รท 28 gives a close estimate.

Is oz the same as fl oz?

No! Ounces (oz) measure weight; fluid ounces (fl oz) measure volume. They're different units.

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