How much does a US penny weigh?
US penny weighs about 2.5 g (0.09 oz).
📎 That's about the weight of 3 paperclips.
At 2.5 g, it ranks #1 of 15 in Weird & Surprising (lightest to heaviest) — lighter than Olympic gold medal (Paris 2024) (529 g).
This is a specific, standardized product, so the weight above is an exact figure — not an average across variants.
Since 1982 a US penny weighs exactly 2.5 grams — it's mostly zinc, not copper.
Category: Weird & Surprising
| Grams | 2.5 g |
|---|---|
| Kilograms | 0.003 kg |
| Ounces | 0.1 oz |
| Pounds | 0.01 lb |
Source: www.usmint.gov