Free crypto calculators
Profit and loss, dollar-cost averaging (DCA) with real historical prices, a private portfolio tracker and the Bitcoin halving countdown. Everything runs in your browser — nothing you enter is sent to us.
Crypto profit and loss calculator
Fees are applied on both the buy and the sell. Taxes are not included — in Ireland gains on crypto are usually subject to Capital Gains Tax; check Revenue’s guidance for your situation.
DCA calculator with real past prices
Uses daily prices from CoinGecko. Past performance does not predict future results.
Private portfolio tracker
Your holdings are saved only in this browser (local storage). We never see them.
| Coin | Quantity | Price | Value | Profit / loss |
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Bitcoin halving countdown
Every 210,000 blocks the reward for mining a new Bitcoin block is cut in half. The next halving happens at block —.
Estimate based on an average of 10 minutes per block; the real date can move by days or weeks. Block height from mempool.space. Read Bitcoin halving explained.