Massa Storage & Refund Calculator

Calculate your one-time storage cost and potential refund on the Massa blockchain.

Select an Example (Optional) Number of Data Entries (Files): Total Data Size (in MB):

Follow the steps below to see how your total cost is derived from the official formula.

Enter values or select an example to see the step-by-step resolution here.

To simplify, we assume the average size of a data "key" (like a filename or ID) is 64 bytes.