# GetQubitsAvailableToUse operation

Namespace: Microsoft.Quantum.Environment

Warning

GetQubitsAvailableToUse has been deprecated.

Returns the number of qubits currently available to use.

operation GetQubitsAvailableToUse () : Int


## Output : Int

The number of qubits that could be allocated in a using statement. If the target machine being used does not provide this information, then -1 is returned.

## Remarks

This operation is no longer supported, and will be removed in a future version.