How much does a half dollar weigh?
A U.S. half dollar weighs 11.34 grams (0.4 ounces), according to the U.S. Mint.
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| Spec | Value |
|---|---|
| Weight | 11.34 g (0.4 oz) |
| Diameter | 30.61 mm (1.205 in) |
| Thickness | 2.15 mm (0.085 in) |
| Composition | 8.33% nickel, 91.67% copper (cupro-nickel clad) |
| Edge | 150 reeds |
| Face value | $0.50 |
| Half dollars per pound | about 40 |
| Half dollars per kilogram | about 88.2 |
The U.S. Mint lists the half dollar at 11.34 grams (0.4 oz). It is 8.33% nickel, 91.67% copper (cupro-nickel clad), 30.61 mm (1.205 in) across and 2.15 mm (0.085 in) thick, with a reeded edge (150 reeds).
Because each coin weighs 11.34 g, 200 half dollars ($100) weigh 2,268 g (80 oz, 5 lb), and a roll of 20 weighs 226.8 g (8 oz, 0.5 lb). About 40 half dollars make a pound, and 88.2 make a kilogram.
Frequently asked questions
How much does a half dollar weigh in grams?
11.34 grams, or 0.4 ounces.
What is a half dollar made of?
8.33% nickel, 91.67% copper (cupro-nickel clad), according to the U.S. Mint.
How big is a half dollar?
30.61 mm (1.205 in) across and 2.15 mm (0.085 in) thick.
How many half dollars weigh a pound?
About 40 (453.59 g divided by 11.34 g).
How much do $100 in half dollars weigh?
200 coins weigh 2,268 g (80 oz, 5 lb).
Sources: U.S. Mint, Coin Specifications. Checked 2026-11-12. Figures described as "about" or "roughly" are arithmetic on these sources.
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General information only. Weights, sizes and counts come from the sources shown on each page and may change; check with your bank or the issuer before you rely on them. Nothing here is financial advice.