diff --git a/Engine/source/core/color.h b/Engine/source/core/color.h
index af111207c..b954b5de8 100644
--- a/Engine/source/core/color.h
+++ b/Engine/source/core/color.h
@@ -873,10 +873,10 @@ inline ColorI LinearColorF::toColorI(const bool keepAsLinear)
          float b = mPow(blue, gOneOverGamma);
          return ColorI(U8(r * 255.0f + 0.5), U8(g * 255.0f + 0.5), U8(b * 255.0f + 0.5), U8(alpha * 255.0f + 0.5));
    #else
-         float r = red < 0.0031308f ? 12.92f * red : 1.055 * mPow(red, 1.0f / 2.4f) - 0.055f;
-         float g = green < 0.0031308f ? 12.92f * green : 1.055 * mPow(green, 1.0f / 2.4f) - 0.055f;
-         float b = blue < 0.0031308f ? 12.92f * blue : 1.055 * mPow(blue, 1.0f / 2.4f) - 0.055f;
-         return ColorI(U8(r * 255.0f + 0.5), U8(g * 255.0f + 0.5), U8(b * 255.0f + 0.5), U8(alpha * 255.0f + 0.5));
+         float r = red < 0.0031308f ? 12.92f * red : 1.055f * mPow(red, 1.0f / 2.4f) - 0.055f;
+         float g = green < 0.0031308f ? 12.92f * green : 1.055f * mPow(green, 1.0f / 2.4f) - 0.055f;
+         float b = blue < 0.0031308f ? 12.92f * blue : 1.055f * mPow(blue, 1.0f / 2.4f) - 0.055f;
+         return ColorI(U8(r * 255.0f + 0.5f), U8(g * 255.0f + 0.5f), U8(b * 255.0f + 0.5f), U8(alpha * 255.0f + 0.5f));
    #endif
       }
    }
diff --git a/Engine/source/math/mMathFn.h b/Engine/source/math/mMathFn.h
index 92d139ae5..a6668cc53 100644
--- a/Engine/source/math/mMathFn.h
+++ b/Engine/source/math/mMathFn.h
@@ -209,7 +209,7 @@ inline F32 mFmod(const F32 val, const F32 mod)
 
 inline S32 mRound(const F32 val)  
 {  
-   return (S32)floor(F64(val + 0.5f));  
+   return (S32)floor(val + 0.5f);  
 }  
       
 inline F32 mRound(const F32 val, const S32 n)  
diff --git a/Engine/source/math/mPoint2.h b/Engine/source/math/mPoint2.h
index 851f2aeb0..6019bf92e 100644
--- a/Engine/source/math/mPoint2.h
+++ b/Engine/source/math/mPoint2.h
@@ -915,7 +915,7 @@ inline bool mIsNaN( const Point2F &p )
 /// Return negative if p0p1p2 are clockwise 
 inline F64 mCross(const Point2F &p0, const Point2F &p1, const Point2F &pt2)
 {
-   return F64(p1.x - p0.x) * F64(pt2.y - p0.y) - F64(p1.y - p0.y) * F64(pt2.x - p0.x);
+   return F64((p1.x - p0.x) * (pt2.y - p0.y) - (p1.y - p0.y) * (pt2.x - p0.x));
 }
 
 
diff --git a/Engine/source/terrain/terrFile.h b/Engine/source/terrain/terrFile.h
index e6ac593f0..568184aac 100644
--- a/Engine/source/terrain/terrFile.h
+++ b/Engine/source/terrain/terrFile.h
@@ -201,7 +201,7 @@ inline TerrainSquare* TerrainFile::findSquare( U32 level, U32 x, U32 y ) const
    x >>= level;
    y >>= level;
 
-   return mGridMap[level] + x + ( y << ( mGridLevels - level ) );
+   return mGridMap[level] + x + U64( y << U32( mGridLevels - level ) );
 }
 
 inline void TerrainFile::setHeight( U32 x, U32 y, U16 height )
diff --git a/Engine/source/ts/collada/colladaUtils.h b/Engine/source/ts/collada/colladaUtils.h
index 2c5335784..8cfe1a4dd 100644
--- a/Engine/source/ts/collada/colladaUtils.h
+++ b/Engine/source/ts/collada/colladaUtils.h
@@ -527,7 +527,7 @@ public:
    {
       if ((index >= 0) && (index < size())) {
          if (source->getFloat_array())
-            return &source->getFloat_array()->getValue()[index*stride()];
+            return &source->getFloat_array()->getValue()[(U64)(index*stride())];
       }
       return 0;
    }
@@ -541,9 +541,9 @@ public:
       if ((index >= 0) && (index < size())) {
          // could be plain strings or IDREFs
          if (source->getName_array())
-            return source->getName_array()->getValue()[index*stride()];
+            return source->getName_array()->getValue()[(U64)(index*stride())];
          else if (source->getIDREF_array())
-            return source->getIDREF_array()->getValue()[index*stride()].getID();
+            return source->getIDREF_array()->getValue()[(U64)(index*stride())].getID();
       }
       return "";
    }
@@ -708,7 +708,7 @@ template<> inline const domListOfUInts *ColladaPrimitive<domTristrips>::getTrian
             continue;
 
          domUint* pSrcData = &(P->getValue()[0]);
-         size_t numTriangles = (P->getValue().getCount() / stride) - 2;
+         U64 numTriangles = (P->getValue().getCount() / stride) - 2;
 
          // Convert the strip back to a triangle list
          domUint* v0 = pSrcData;
@@ -723,7 +723,7 @@ template<> inline const domListOfUInts *ColladaPrimitive<domTristrips>::getTrian
             else
             {
                // CCW triangle
-               pTriangleData->appendArray(stride*3, v0);
+               pTriangleData->appendArray((U64)(stride*3), v0);
             }
          }
       }
@@ -749,7 +749,7 @@ template<> inline const domListOfUInts *ColladaPrimitive<domTrifans>::getTriangl
             continue;
 
          domUint* pSrcData = &(P->getValue()[0]);
-         size_t numTriangles = (P->getValue().getCount() / stride) - 2;
+         U64 numTriangles = (P->getValue().getCount() / stride) - 2;
 
          // Convert the fan back to a triangle list
          domUint* v0 = pSrcData + stride;
@@ -781,7 +781,7 @@ template<> inline const domListOfUInts *ColladaPrimitive<domPolygons>::getTriang
             continue;
 
          domUint* pSrcData = &(P->getValue()[0]);
-         size_t numPoints = P->getValue().getCount() / stride;
+         U64 numPoints = P->getValue().getCount() / stride;
 
          // Use a simple tri-fan (centered at the first point) method of
          // converting the polygon to triangles.
@@ -789,7 +789,7 @@ template<> inline const domListOfUInts *ColladaPrimitive<domPolygons>::getTriang
          pSrcData += stride;
          for (S32 iTri = 0; iTri < numPoints-2; iTri++) {
             pTriangleData->appendArray(stride, v0);
-            pTriangleData->appendArray(stride*2, pSrcData);
+            pTriangleData->appendArray((U64)(stride*2), pSrcData);
             pSrcData += stride;
          }
       }