Skip to main content
ounces → grams

15 ounces to grams

425.24 g

15 oz = 425.24 g.

grams

425.24g

15 oz = 425.24 g

In short

How many grams is 15 ounces?

15 oz = 425.24 g. 1 ounce = 28.349523 grams, so the working is 15 × 28.349523 = 425.24.

The working

The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.

1 ounce = 28.349523 grams
15 × 28.349523 = 425.24

How much precision do you need?

Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.

Rounded toAnswer (g)Off by
Whole number425−0.24285
1 decimal425.2−0.04285
2 decimals425.24−0.00285

Round trip: take 425.24 g back the other way and you land on 14.9999 oz — a drift of 0.0001 oz. That gap is the rounding, not the conversion.

Frequently asked questions

What is 15 ounces in grams?

15 ounces is 425.24 grams. 1 ounce = 28.349523 grams, so the working is 15 × 28.349523 = 425.24.

How accurate is 425.24 g?

Rounding to 425.24 g and converting straight back gives 14.9999 oz, a drift of 0.0001 oz from the 15 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.

Nearby values

Any value at all

Ounces to Grams Converter

Convert ounces to grams — recipes, shipping weights, and scales set to metric.

Open the ounces to grams converter