Bitcoin mining difficulty
Where difficulty stands, where the next adjustment is heading, and a year of history.
How the adjustment works
Bitcoin targets one block every ten minutes. Every 2,016 blocks, nodes compare how long those blocks actually took with the two weeks they should have taken, and scale difficulty by the difference, capped at four times either way. This epoch is 72% done; blocks are arriving every 9.5 minutes on average, so the next change is estimated at +4.79%.
What it means for a mining budget
Difficulty is the cost side of every revenue forecast. A fleet's bitcoin output per day is its hashrate divided by the network's, times the blocks per day and the reward per block; difficulty is how the network keeps that last part steady. Plan with a difficulty growth assumption, not today's figure. Today's revenue per unit of hashrate is on the hashprice page.
Questions
- What is Bitcoin's mining difficulty now?
- 132.72 trillion (T) as of Oct 12, 2026.
- When is the next difficulty adjustment?
- In about 556 blocks, around Oct 16, 2026. The current estimate is +4.79%.
- How often does difficulty change?
- Every 2,016 blocks, about two weeks. The rule aims the average block time back at ten minutes.
- Does higher difficulty mean less bitcoin per machine?
- Yes. At constant price and fees, a 5% rise in difficulty means about 5% fewer bitcoin per terahash per day.
Talk to the people behind the numbers
Every number on this page is set by miners: the machines they plug in, the power they buy, the blocks they find. Mining Disrupt 2027 puts those operators, ASIC makers, hosting and energy companies on one floor, March 22–24 at the Irving Convention Center, Dallas. Get a pass or exhibit.
Related: Hashrate · Difficulty · Hashprice · Halving countdown · Fees · ASIC miner guide · ASIC profitability by maker (aPanel)
Updated Oct 12, 2026 (US Eastern). Data: mempool.space public API. Figures are network-wide estimates from recent blocks.
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