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Data / Block size and transactions per block / 2015
The average size of a bitcoin block in megabytes, and how many transactions each block carried.
Average block size opened 2015 at 0.19 MB (January 1, 2015) and closed at 0.55 MB (December 31, 2015), up 196.0%. The high was 0.84 MB on July 29, 2015 and the low 0.19 MB on January 1, 2015.
| Month | Month end |
|---|---|
| January 2015 | 0.31 MB |
| February 2015 | 0.44 MB |
| March 2015 | 0.40 MB |
| April 2015 | 0.44 MB |
| May 2015 | 0.38 MB |
| June 2015 | 0.60 MB |
| July 2015 | 0.76 MB |
| August 2015 | 0.45 MB |
| September 2015 | 0.51 MB |
| October 2015 | 0.54 MB |
| November 2015 | 0.67 MB |
| December 2015 | 0.55 MB |
Blocks have been effectively full since 2016. Since SegWit in 2017 a block can weigh up to 4 MB, so an average above 1 MB means users are paying for the extra space. Fewer transactions per block at the same size means bigger transactions, which is what inscriptions and batching look like.
Other years: 2026 · 2025 · 2024 · 2023 · 2022 · 2021 · 2020 · 2019 · 2018 · 2017 · 2016 · 2014 · 2013
Also in 2015: Bitcoin price · Distance from the all-time high · Network hashrate · Mining difficulty · Difficulty adjustments · Fees paid to miners · Transactions per day · Hashprice · Miner revenue · Bitmain releases and the bitcoin price · Break-even electricity price · What a bitcoin costs us to mine, against the market