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Block subsidy & halving calculator

Calculate the Bitcoin mainnet block subsidy at any height, its halving epoch and the next halving height.

The subsidy starts at 50 BTC and halves every 210,000 mainnet blocks, truncating to whole satoshis. Transaction fees are excluded. The genesis subsidy is unspendable. Future block heights are hypothetical; this does not predict the date of a halving.

Calculated in your browser. Tool input is not sent to our API or stored by this tool. Never paste a private key or seed phrase.