// multi-utility computation suite · offline · instant · precise
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web3.token-blob-space Calculator
Calculates EIP-4844 blob space consumption, blob fee cost, and data availability overhead for token economics and distribution planning 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
Supply
Reference formula or conversion factor shown for context.
Price
Reference formula or conversion factor shown for context.
Fdv
Reference formula or conversion factor shown for context.
Results
market cap
Total market capitalisation — current price times total circulating supply. Represents the market's aggregate valuation.
FDV
FDV (fully diluted valuation) — market cap if all tokens (including unvested and unissued) were in circulation. High FDV relative to market cap signals future sell pressure.
mcap / FDV
Ratio of current market cap to fully diluted valuation. Low ratio (e.g. 0.2) means most tokens have yet to enter circulation, implying future dilution.