# Estimate L1 rollup fee

**Published by:** [harrywon99.eth](https://paragraph.com/@harrywon99/)
**Published on:** 2023-09-04
**URL:** https://paragraph.com/@harrywon99/estimate-l1-rollup-fee

## Content

l1_fee is obtained from this rpc method eth_getTransactionReceipt, l2_fee is to parse the transaction directly from the block, in the transaction with gas * gasPrice or gasUsed * gasPrice l2 fee by parsing the transaction directly from the block, l2 fee = gas * gasPrice or gasUsed * gasPrice

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