Unreal Engine 5 · Blueprint → C++
Min (Float) in Unreal Engine 5 C++
The Blueprint Min (Float) node maps to UKismetMathLibrary::FMin(A, B) in C++, returning the smaller of two float values.
Blueprint node & C++ equivalent
#include "Kismet/KismetMathLibrary.h"
float A;
float B;
float Min = UKismetMathLibrary::FMin(A, B);What does the Min (Float) node do?
Min (Float) returns the lower of two floating-point numbers. Because floats need a distinct comparison helper, the C++ call is UKismetMathLibrary::FMin(A, B) rather than the integer Min. The leading F denotes the float overload, consistent with engine naming like FMath::Min.
The C++ equivalent
Include Kismet/KismetMathLibrary.h and call float Min = UKismetMathLibrary::FMin(A, B);. The templated FMath::Min(A, B) also handles floats and returns the same value, so either approach works in UE5.
Frequently asked questions
What is FMin in Unreal Engine 5?+
FMin is the float version of Min. UKismetMathLibrary::FMin(A, B) returns the smaller of two float values.
Why is it FMin and not Min for floats?+
Unreal uses the F prefix to mark float overloads in KismetMathLibrary, separating them from the integer Min. FMath::Min is templated and needs no such prefix.