---
title: passes (v0.41)
description: API reference for qiskit_ibm_runtime.transpiler.passes in qiskit-ibm-runtime v0.41
source: https://eu-de.quantum.cloud.ibm.com/docs/en/api/qiskit-ibm-runtime/0.41/transpiler
---

# Transpiler passes

`qiskit_ibm_runtime.transpiler.passes`

A collection of transpiler passes. Refer to [/guides/transpile](/docs/guides/transpile) to learn more about transpilation and passes.

|                                                                                                                                                                   |                                                                                               |
| ----------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------- |
| [`ConvertIdToDelay`](/docs/api/qiskit-ibm-runtime/0.41/transpiler-passes-convert-id-to-delay "qiskit_ibm_runtime.transpiler.passes.ConvertIdToDelay")             | Convert `qiskit.circuit.library.standard_gates.IGate` to a delay of the corresponding length. |
| [`ConvertISAToClifford`](/docs/api/qiskit-ibm-runtime/0.41/transpiler-passes-convert-isa-to-clifford "qiskit_ibm_runtime.transpiler.passes.ConvertISAToClifford") | Convert the gates of an ISA circuit to Clifford gates.                                        |
| [`FoldRzzAngle`](/docs/api/qiskit-ibm-runtime/0.41/transpiler-passes-fold-rzz-angle "qiskit_ibm_runtime.transpiler.passes.FoldRzzAngle")                          | Fold Rzz gate angle into calibrated range of 0-pi/2 with local gate tweaks.                   |

See [`qiskit_ibm_runtime.transpiler.passes.scheduling`](/docs/api/qiskit-ibm-runtime/0.41/transpiler-passes-scheduling#module-qiskit_ibm_runtime.transpiler.passes.scheduling "qiskit_ibm_runtime.transpiler.passes.scheduling") for a collection of scheduling passes.