Bitcoin (BTC) halving: countdown and history

The Bitcoin block reward halves every 210,000 blocks. Here is when the next halving is expected, how the date is estimated and how the reward has changed.

Time until the halving (estimate) 557 d

Blocks left: 83,478
Estimated date: ≈ Mar 21, 2028
Current block: 966,522
Block reward: 3.125 → 1.5625 BTC

Current period progress: 60.25%

Bitcoin BTC

Price: $77,902.00
24h change: +1%
7d change: −1.5%
Market cap: $1.56 T
24h volume: $33.66 B
Market cap rank: #1
Circulating supply: 20.08 M BTC
All-time high: $126,080.00

What a halving is

A halving is a rule built into Bitcoin: every 210,000 blocks the reward for a new block is cut in half. It slows down the issue of new BTC until the maximum supply of 21 M BTC is reached.

How the date is estimated

The date is calculated from the number of blocks left and the average block time over the last 24 hours (~9.6 min). Blocks are found at a random pace, so the estimate shifts by a few days: the halving happens at block 1,050,000, not on a fixed date.

All Bitcoin halvings

#	Block	Date	Block reward, BTC
1	210,000	Nov 28, 2012	50 → 25 BTC
2	420,000	Jul 9, 2016	25 → 12.5 BTC
3	630,000	May 11, 2020	12.5 → 6.25 BTC
4	840,000	Apr 20, 2024	6.25 → 3.125 BTC
5	1,050,000	≈ Mar 21, 2028 (expected)	3.125 → 1.5625 BTC
6	1,260,000	≈ Jan 20, 2032 (expected)	1.5625 → 0.78125 BTC

BTC emission

20.08 M BTC out of 21 M have been issued — 95.63% of the maximum supply. About 917.21 K BTC are left to be issued. The last BTC will be issued around 2140.

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Bitcoin halving: FAQ

When is the next Bitcoin halving?

The next halving is expected around Mar 21, 2028, at block 1,050,000. 83,478 blocks are left.

What will the BTC block reward be after the halving?

It will fall from 3.125 to 1.5625 BTC per block.

When was the last Bitcoin halving?

The last halving took place on Apr 20, 2024 at block 840,000: the reward fell from 6.25 to 3.125 BTC.

How many BTC are left to be issued?

About 917.21 K BTC out of 21 M. The last BTC will be issued around 2140.

Does a halving change the BTC rate?

A halving reduces the number of new BTC entering the market, but the rate depends on many factors. Past halvings do not guarantee future price changes; this is not investment advice.

Block data: Blockchair, updated Sep 11, 2026, 18:21.

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