Coins by weight

1. 🪙 Australian 50-cent coin15.55 g

   Australia switched its 50c from a round silver coin to this 12-sided cupronickel one in 1969. Source

2. 🪙 British 2-pound coin12 g

   Britain's £2 coin pairs a gold-coloured outer ring with a silver-coloured centre, and has circulated since 1998. Source

3. 🪙 2-euro coin8.5 g

   Each issuing country, even tiny Monaco and Vatican City, designs its own national side, giving dozens of versions. Source

4. 🪙 US quarter5.67 g

   The quarter's edge has 119 ridges, and the coin weighs almost exactly one-fifth of an ounce. Source

5. 🪙 Japanese 1-yen coin1 g

   Made of pure aluminium, it weighs exactly 1 gram and can float on water thanks to surface tension. Source

Current standard circulating issue of each coin, official mint specifications.