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Ounces to Grams Converter — Postal Letters, Bullion & Coffee Portions

Converting ounces (oz) to grams (g) translates US Postal Service (USPS) letter postage tiers, precious metals and bullion weights, and retail grocery packaging into international metric grams. A standard first-class letter envelope (up to 1 oz) equals 28.35 grams on postal scales. Multiplying ounces by 28.349523 provides exact grams.

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US Avoirdupois Recipe Portion Input

oz
⇌
g
Quick Weight Benchmarks:

Measurement Breakdown

1 Ounce = 28.349523125 Grams1 Gram = 0.03527396 Ounces

Based on the International Avoirdupois Ounce.

Weight Gauge
Ounces (Cap: 1)
Grams (Cap: 28.4)
1 oz = 28.35 g
Relative weight comparison.

Conversion Reference Table

Ounces (oz)Grams (g)Recipe & Postal Benchmark
0.25 oz7.09 g
0.5 oz14.17 g
1 oz28.35 g
4 oz113.40 g
8 oz226.80 g
16 oz453.59 g1 Pound
32 oz907.18 g

Overview & Capabilities

Converting ounces (oz) to grams (g) translates US Postal Service (USPS) letter postage tiers, precious metals and bullion weights, and retail grocery packaging into international metric grams. A standard first-class letter envelope (up to 1 oz) equals 28.35 grams on postal scales. Multiplying ounces by 28.349523 provides exact grams.

Tutorial

How to Use

01
Enter the weight in Ounces (oz).
02
The engine multiplies by 28.349523 to compute exact Grams (g).
03
Check postal and dietary benchmarks (1 oz letter, 4 oz burger patty, 8 oz steak, 16 oz pound).
04
Use the gram value for digital postal meters or macro nutrient logging.
Capabilities

Key Features

High-precision postal multiplier (1 oz = 28.349523125 g)
Postal & Dietary Benchmarks: 1 oz (28.35g USPS letter), 3.5 oz (99.2g snack), 8 oz (226.8g portion), 16 oz (453.6g pack)
Postal rate scale bracket indicators
Zero server roundtrip
Applications

Common Use Cases

USPS Mail Metering: Verify a 3.2 oz catalog parcel weighs 90.7g to calculate international airmail postage.
Portion Control: Convert 4 oz lean chicken breasts into 113.4g for meal prep tracking.
Precious Metals Checking: Distinguish standard customary ounces (28.35g) from bullion scale readings.
Guidance

Tips & Best Practices

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Multiply ounces by 28.35 to get grams.
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Standard weight ounces (28.35g) differ from precious metal Troy ounces (31.103g).
Ecosystem

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Answers

Frequently Asked Questions

Q What is 1 oz in grams?

1 ounce equals exactly 28.349523 grams.

Q What is 4 oz burger patty in grams?

4 ounces equals 113.40 grams.

Q What is 8 oz in grams?

8 ounces equals 226.80 grams.

Q What is 16 oz in grams?

16 ounces (1 pound) equals 453.59 grams.