diff --git a/libraries/entities-renderer/src/RenderableBoxEntityItem.cpp b/libraries/entities-renderer/src/RenderableBoxEntityItem.cpp
index 588f17d959..54fe491c46 100644
--- a/libraries/entities-renderer/src/RenderableBoxEntityItem.cpp
+++ b/libraries/entities-renderer/src/RenderableBoxEntityItem.cpp
@@ -41,6 +41,7 @@ void RenderableBoxEntityItem::render(RenderArgs* args) {
     Q_ASSERT(getType() == EntityTypes::Box);
     Q_ASSERT(args->_batch);
 
+
     if (!_procedural) {
         _procedural.reset(new Procedural(this->getUserData()));
         _procedural->_vertexSource = simple_vert;
@@ -64,4 +65,6 @@ void RenderableBoxEntityItem::render(RenderArgs* args) {
     } else {
         DependencyManager::get<DeferredLightingEffect>()->renderSolidCubeInstance(batch, getTransformToCenter(), cubeColor);
     }
-};
+    static const auto triCount = DependencyManager::get<GeometryCache>()->getCubeTriangleCount();
+    args->_details._trianglesRendered += triCount;
+}
diff --git a/libraries/entities-renderer/src/RenderableSphereEntityItem.cpp b/libraries/entities-renderer/src/RenderableSphereEntityItem.cpp
index 2bdcfc19ad..8768e41a07 100644
--- a/libraries/entities-renderer/src/RenderableSphereEntityItem.cpp
+++ b/libraries/entities-renderer/src/RenderableSphereEntityItem.cpp
@@ -71,4 +71,6 @@ void RenderableSphereEntityItem::render(RenderArgs* args) {
         batch.setModelTransform(Transform());
         DependencyManager::get<DeferredLightingEffect>()->renderSolidSphereInstance(batch, modelTransform, sphereColor);
     }
-};
+    static const auto triCount = DependencyManager::get<GeometryCache>()->getSphereTriangleCount();
+    args->_details._trianglesRendered += triCount;
+}
diff --git a/libraries/render-utils/src/GeometryCache.cpp b/libraries/render-utils/src/GeometryCache.cpp
index 75b3b91c10..b9fdcd95a4 100644
--- a/libraries/render-utils/src/GeometryCache.cpp
+++ b/libraries/render-utils/src/GeometryCache.cpp
@@ -214,6 +214,19 @@ VertexVector tesselate(const VertexVector& startingTriangles, int count) {
     return triangles;
 }
 
+size_t GeometryCache::getShapeTriangleCount(Shape shape) {
+    return _shapes[shape]._indexCount / VERTICES_PER_TRIANGLE;
+}
+
+size_t GeometryCache::getSphereTriangleCount() {
+    return getShapeTriangleCount(Sphere);
+}
+
+size_t GeometryCache::getCubeTriangleCount() {
+    return getShapeTriangleCount(Cube);
+}
+
+
 // FIXME solids need per-face vertices, but smooth shaded
 // components do not.  Find a way to support using draw elements
 // or draw arrays as appropriate
@@ -1727,3 +1740,4 @@ void GeometryCache::useSimpleDrawPipeline(gpu::Batch& batch, bool noBlend) {
         batch.setPipeline(_standardDrawPipeline);
     }
 }
+
diff --git a/libraries/render-utils/src/GeometryCache.h b/libraries/render-utils/src/GeometryCache.h
index aa1593db78..c408115011 100644
--- a/libraries/render-utils/src/GeometryCache.h
+++ b/libraries/render-utils/src/GeometryCache.h
@@ -151,16 +151,19 @@ public:
     void renderWireShapeInstances(gpu::Batch& batch, Shape shape, size_t count, gpu::BufferPointer& transformBuffer, gpu::BufferPointer& colorBuffer);
     void renderShape(gpu::Batch& batch, Shape shape);
     void renderWireShape(gpu::Batch& batch, Shape shape);
+    size_t getShapeTriangleCount(Shape shape);
 
     void renderCubeInstances(gpu::Batch& batch, size_t count, gpu::BufferPointer transformBuffer, gpu::BufferPointer colorBuffer);
     void renderWireCubeInstances(gpu::Batch& batch, size_t count, gpu::BufferPointer transformBuffer, gpu::BufferPointer colorBuffer);
     void renderCube(gpu::Batch& batch);
     void renderWireCube(gpu::Batch& batch);
+    size_t getCubeTriangleCount();
 
     void renderSphereInstances(gpu::Batch& batch, size_t count, gpu::BufferPointer transformBuffer, gpu::BufferPointer colorBuffer);
     void renderWireSphereInstances(gpu::Batch& batch, size_t count, gpu::BufferPointer transformBuffer, gpu::BufferPointer colorBuffer);
     void renderSphere(gpu::Batch& batch);
     void renderWireSphere(gpu::Batch& batch);
+    size_t getSphereTriangleCount();
 
     void renderGrid(gpu::Batch& batch, int xDivisions, int yDivisions, const glm::vec4& color);
     void renderGrid(gpu::Batch& batch, int x, int y, int width, int height, int rows, int cols, const glm::vec4& color, int id = UNKNOWN_ID);