UKismetMathLibrary::Square

function Engine Blueprint Since 4.0

#include "Kismet/KismetMathLibrary.h"

Access: public Specifiers: staticUFUNCTIONBlueprintPure

Description

Returns A * A. Equivalent to FMath::Square. Used for squared distances, quadratic curves, and energy calculations.

Caveats & Gotchas

• The Blueprint compact node shows '^2', which can be confused with an exponentiation operator — it is strictly A*A, not a general power function.
• For very large float inputs the result can overflow to infinity before you reach the Sqrt step; use double precision inputs or clamp the input range when working with world-scale distances.

Signature

static UE_INL_API double Square(double A);

Parameters

Name	Type	Description	Default
A	double	The value to square.	—

Return Type

double

Example

Avoid Sqrt with a squared distance threshold C++

double Radius = 500.0;
double DistSq = FVector::DistSquared(GetActorLocation(), Target->GetActorLocation());
if (DistSq < UKismetMathLibrary::Square(Radius))
{
    // Target is within radius
}

Version History

Introduced in: 4.0

Version	Status	Notes
5.6	stable	—

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