Clash of Clans gem calculator
How many gems to finish a timer or buy resources — and how much time your gems can skip.
Time → gems260 gems
Gems → time2d 22h 48m
Gold or elixir → gems600 gems
Dark elixir → gems600 gems
Gem costs at a glance
Gem prices follow the in-game formula: the longer the time or the bigger the amount, the cheaper each unit gets.
- 1 minute of upgrade time: 1 gems.
- 1 hour of upgrade time: 20 gems.
- 1 day of upgrade time: 260 gems.
- 1 week of upgrade time: 1,000 gems.
- 10,000 gold or elixir: 25 gems.
- 100,000 gold or elixir: 125 gems.
- 1,000,000 gold or elixir: 600 gems.
- 10,000,000 gold or elixir: 3,000 gems.
- 10,000 dark elixir: 600 gems.
Frequently asked questions
How many gems to finish a 1 day upgrade?
260 gems. 1 hour costs 20 gems and 1 week 1,000 gems.
How many gems for 1 million gold or elixir?
600 gems.
Is it worth gemming upgrades?
Gems go furthest on long upgrades and builder potions or books from the Trader. Finishing short timers or buying small amounts of resources is the least gem-efficient.