// multi-utility computation suite · offline · instant · precise
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│ computation suite │
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web3.gas-blob-space Calculator
Calculates EIP-4844 blob space consumption, blob fee cost, and data availability overhead for gas fee estimation for blockchain transactions on rollup chains. EIP-4844 introduced blob transactions to Ethereum with a separate fee market — blobs target 3 blobs/block (384 KB) and are pruned after ~18 days, reducing rollup DA costs by 10–100×.
Inputs
Blobs
Reference formula or conversion factor shown for context.
Blob Size Kb
Reference formula or conversion factor shown for context.
Target Blobs
Reference formula or conversion factor shown for context.
Results
blob data/block
The value at the specified point or condition.
daily blob data
The value at the specified point or condition.
fee multiplier
Gratuity amount — the suggested amount to add to the bill as a service tip.
vs target
The current value compared to the goal. A positive number means the target is exceeded; negative means it is not yet met.