Firsthand Bitcoin · Data · Bitcoin miners

Blockchain size

The size of the full bitcoin blockchain in gigabytes.

779.3 GB on Oct 29, 2026, against 698.0 GB a year earlier.

Everything a full node stores. It grows by roughly a block’s worth every ten minutes, a little under 100 GB a year at today’s block sizes.

Blockchain size, month by month

MonthBlockchain size
Nov 2025703.3 GB
Dec 2025710.1 GB
Jan 2026716.7 GB
Feb 2026723.4 GB
Mar 2026730.2 GB
Apr 2026737.1 GB
May 2026744.3 GB
Jun 2026751.1 GB
Jul 2026758.0 GB
Aug 2026765.2 GB
Sep 2026772.2 GB
Oct 2026779.3 GB

Questions

What is blockchain size today?
779.3 GB as of October 29, 2026, up 0.9% over the last 30 days.
How has it changed over the past year?
A year ago it was 696.3 GB; today it is 779.3 GB, a change of +11.9%.
What is the highest blockchain size on record?
779.3 GB, on October 29, 2026.
How is this chart calculated?
Everything a full node stores. It grows by roughly a block’s worth every ten minutes, a little under 100 GB a year at today’s block sizes.

By year

2026 · 2025 · 2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2015 · 2014 · 2013

Data: CSV · JSON. Embed: <iframe src="https://firsthandbitcoin.com/embed/blockchain-size" width="100%" height="420"></iframe>. Free to reuse with a link to this page.

Updated daily. Latest data 2026-11-06.

Network hashrate · Mining difficulty · Difficulty adjustments · Fees paid to miners · Transactions per day · Mempool · Active addresses · UTXO set · Block size and transactions per block · Blocks mined per day · Median confirmation time · Miner revenue per transaction