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Given Quantum Volume and number of qubits of a IBMQ device, what is the formula to calculate the maximum depth of the circuit that gives high fidelity?

For example: Let us consider ibm_perth, it has a Quantum Volume (QV) is 32 and number of Qubits (Q) is 7. What would be the depth limit of the circuit for this device to achieve high fidelity?

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    $\begingroup$ You should probably define way more precisely what you mean by "high fidelity" to get answers. And also note that the "fidelity" of a quantum circuit (in the sense "output state fidelity") does not only depend on its depth but also on: number of gates, gate error, idle time of qubits, SPAM errors, cross-talk errors,... (I might forget a few/lot) $\endgroup$
    – Adrien Suau
    Commented Mar 8, 2022 at 15:33
  • $\begingroup$ The quantum volume actually helps you a little bit in order to know how good a computation might be, I would advise you to look at this : medium.com/qiskit/what-is-quantum-volume-anyway-a4dff801c36f, it explains well how it works and might give you ideas in this area. $\endgroup$
    – Lena
    Commented Mar 10, 2022 at 13:46

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