Fjord fee parameter calculator

The Fjord Fee Parameter Calculator helps you estimate transaction fees. Use this tool to:

How to use the calculator

Input the relevant parameters in the form below.
The calculator will automatically update the fee estimates based on your inputs.
Adjust the parameters as needed to see how they affect the fee calculations.

Transactions per Day

Txs / Day, excluding Internal system transactions

Comparable Transaction Type

What transaction types are similar to

Data Availability Type

Ethereum (Blobs or Calldata) or AltDA Plasma Mode (Alt-DA)

Fault Proofs Enabled

Are Fault Proofs enabled on the chain? (Note: Ethereum DA Only)

Target Data Fee Margin

Buffer charged on top of L1 & Blob Data costs

Max # of Blobs per L1 Transaction

Maximum amount of blobs submitted per L1 Transaction (max: 6)

op-batcher Max Channel Duration (hours)

Max hours are we willing to wait between batch submissions

Output Root Post Frequency (hours)

Hours between each state proposals on L1 (0 if chain doesn't pay)

Include Root Costs in User Fees?

Is the cost of state/output proposals passed on to L2 users?