diff --git a/tns-core-modules/ui/border/border.ts b/tns-core-modules/ui/border/border.ts
index c77fd7e63..0b550dd47 100644
--- a/tns-core-modules/ui/border/border.ts
+++ b/tns-core-modules/ui/border/border.ts
@@ -14,21 +14,21 @@ export class Border extends ContentView implements BorderDefinition {
     }
 
     public onMeasure(widthMeasureSpec: number, heightMeasureSpec: number): void {
-        let width = layout.getMeasureSpecSize(widthMeasureSpec);
-        let widthMode = layout.getMeasureSpecMode(widthMeasureSpec);
+        const width = layout.getMeasureSpecSize(widthMeasureSpec);
+        const widthMode = layout.getMeasureSpecMode(widthMeasureSpec);
 
-        let height = layout.getMeasureSpecSize(heightMeasureSpec);
-        let heightMode = layout.getMeasureSpecMode(heightMeasureSpec);
+        const height = layout.getMeasureSpecSize(heightMeasureSpec);
+        const heightMode = layout.getMeasureSpecMode(heightMeasureSpec);
 
-        let horizontalBorderLength = this.effectiveBorderLeftWidth + this.effectiveBorderRightWidth;
-        let verticalBorderLength = this.effectiveBorderTopWidth + this.effectiveBorderBottomWidth;
+        const horizontalBorderLength = this.effectiveBorderLeftWidth + this.effectiveBorderRightWidth;
+        const verticalBorderLength = this.effectiveBorderTopWidth + this.effectiveBorderBottomWidth;
 
-        let result = View.measureChild(this, this.layoutView,
+        const result = View.measureChild(this, this.layoutView,
             layout.makeMeasureSpec(width - horizontalBorderLength, widthMode),
             layout.makeMeasureSpec(height - verticalBorderLength, heightMode));
 
-        let widthAndState = View.resolveSizeAndState(result.measuredWidth + horizontalBorderLength, width, widthMode, 0);
-        let heightAndState = View.resolveSizeAndState(result.measuredHeight + verticalBorderLength, height, heightMode, 0);
+        const widthAndState = View.resolveSizeAndState(result.measuredWidth + horizontalBorderLength, width, widthMode, 0);
+        const heightAndState = View.resolveSizeAndState(result.measuredHeight + verticalBorderLength, height, heightMode, 0);
 
         this.setMeasuredDimension(widthAndState, heightAndState);
     }
diff --git a/tns-core-modules/ui/content-view/content-view.ts b/tns-core-modules/ui/content-view/content-view.ts
index 6fd4a4ced..739fc4ff8 100644
--- a/tns-core-modules/ui/content-view/content-view.ts
+++ b/tns-core-modules/ui/content-view/content-view.ts
@@ -69,19 +69,19 @@ export class ContentView extends CustomLayoutView implements ContentViewDefiniti
 
     // This method won't be called in Android because we use the native android layout.
     public onMeasure(widthMeasureSpec: number, heightMeasureSpec: number): void {
-        let result = View.measureChild(this, this.layoutView, widthMeasureSpec, heightMeasureSpec);
+        const result = View.measureChild(this, this.layoutView, widthMeasureSpec, heightMeasureSpec);
 
-        let width = layout.getMeasureSpecSize(widthMeasureSpec);
-        let widthMode = layout.getMeasureSpecMode(widthMeasureSpec);
+        const width = layout.getMeasureSpecSize(widthMeasureSpec);
+        const widthMode = layout.getMeasureSpecMode(widthMeasureSpec);
 
-        let height = layout.getMeasureSpecSize(heightMeasureSpec);
-        let heightMode = layout.getMeasureSpecMode(heightMeasureSpec);
+        const height = layout.getMeasureSpecSize(heightMeasureSpec);
+        const heightMode = layout.getMeasureSpecMode(heightMeasureSpec);
 
-        let measureWidth = Math.max(result.measuredWidth, this.effectiveMinWidth);
-        let measureHeight = Math.max(result.measuredHeight, this.effectiveMinHeight);
+        const measureWidth = Math.max(result.measuredWidth, this.effectiveMinWidth);
+        const measureHeight = Math.max(result.measuredHeight, this.effectiveMinHeight);
 
-        let widthAndState = View.resolveSizeAndState(measureWidth, width, widthMode, 0);
-        let heightAndState = View.resolveSizeAndState(measureHeight, height, heightMode, 0);
+        const widthAndState = View.resolveSizeAndState(measureWidth, width, widthMode, 0);
+        const heightAndState = View.resolveSizeAndState(measureHeight, height, heightMode, 0);
 
         this.setMeasuredDimension(widthAndState, heightAndState);
     }
diff --git a/tns-core-modules/ui/core/view/view-common.ts b/tns-core-modules/ui/core/view/view-common.ts
index b199a10e7..9b96e025c 100644
--- a/tns-core-modules/ui/core/view/view-common.ts
+++ b/tns-core-modules/ui/core/view/view-common.ts
@@ -459,21 +459,21 @@ export abstract class ViewCommon extends ViewBase implements ViewDefinition {
         let result = size;
         switch (specMode) {
             case layout.UNSPECIFIED:
-                result = size;
+                result = Math.ceil(size);
                 break;
 
             case layout.AT_MOST:
                 if (specSize < size) {
-                    result = Math.round(specSize + 0.499) | layout.MEASURED_STATE_TOO_SMALL;
+                    result = Math.ceil(specSize) | layout.MEASURED_STATE_TOO_SMALL;
                 }
                 break;
 
             case layout.EXACTLY:
-                result = specSize;
+                result = Math.ceil(specSize);
                 break;
         }
 
-        return Math.round(result + 0.499) | (childMeasuredState & layout.MEASURED_STATE_MASK);
+        return result | (childMeasuredState & layout.MEASURED_STATE_MASK);
     }
 
     public static combineMeasuredStates(curState: number, newState): number {
diff --git a/tns-core-modules/ui/html-view/html-view.ios.ts b/tns-core-modules/ui/html-view/html-view.ios.ts
index efc4ee060..58de0f3d6 100644
--- a/tns-core-modules/ui/html-view/html-view.ios.ts
+++ b/tns-core-modules/ui/html-view/html-view.ios.ts
@@ -29,7 +29,6 @@ export class HtmlView extends HtmlViewBase {
     public onMeasure(widthMeasureSpec: number, heightMeasureSpec: number): void {
         var nativeView = this._nativeView;
         if (nativeView) {
-
             const width = layout.getMeasureSpecSize(widthMeasureSpec);
             const widthMode = layout.getMeasureSpecMode(widthMeasureSpec);
 
@@ -38,7 +37,7 @@ export class HtmlView extends HtmlViewBase {
 
             const desiredSize = layout.measureNativeView(nativeView, width, widthMode, height, heightMode);
 
-            const labelWidth = Math.min(desiredSize.width, width);
+            const labelWidth = widthMode === layout.AT_MOST ? Math.min(desiredSize.width, width) : desiredSize.width;
             const measureWidth = Math.max(labelWidth, this.effectiveMinWidth);
             const measureHeight = Math.max(desiredSize.height, this.effectiveMinHeight);
 
diff --git a/tns-core-modules/ui/label/label.ios.ts b/tns-core-modules/ui/label/label.ios.ts
index c7dd33b61..e54523393 100644
--- a/tns-core-modules/ui/label/label.ios.ts
+++ b/tns-core-modules/ui/label/label.ios.ts
@@ -67,11 +67,11 @@ export class Label extends TextBase implements LabelDefinition {
     public onMeasure(widthMeasureSpec: number, heightMeasureSpec: number): void {
         let nativeView = this.nativeView;
         if (nativeView) {
-            let width = layout.getMeasureSpecSize(widthMeasureSpec);
-            let widthMode = layout.getMeasureSpecMode(widthMeasureSpec);
+            const width = layout.getMeasureSpecSize(widthMeasureSpec);
+            const widthMode = layout.getMeasureSpecMode(widthMeasureSpec);
 
-            let height = layout.getMeasureSpecSize(heightMeasureSpec);
-            let heightMode = layout.getMeasureSpecMode(heightMeasureSpec);
+            const height = layout.getMeasureSpecSize(heightMeasureSpec);
+            const heightMode = layout.getMeasureSpecMode(heightMeasureSpec);
 
             this._fixedSize = (widthMode === layout.EXACTLY ? FixedSize.WIDTH : FixedSize.NONE)
                 | (heightMode === layout.EXACTLY ? FixedSize.HEIGHT : FixedSize.NONE);
@@ -79,15 +79,15 @@ export class Label extends TextBase implements LabelDefinition {
             const nativeSize = layout.measureNativeView(nativeView, width, widthMode, height, heightMode);
             let labelWidth = nativeSize.width;
 
-            if (this.textWrap) {
+            if (this.textWrap && widthMode === layout.AT_MOST) {
                 labelWidth = Math.min(labelWidth, width);
             }
 
-            let measureWidth = Math.max(labelWidth, this.effectiveMinWidth);
-            let measureHeight = Math.max(nativeSize.height, this.effectiveMinHeight);
+            const measureWidth = Math.max(labelWidth, this.effectiveMinWidth);
+            const measureHeight = Math.max(nativeSize.height, this.effectiveMinHeight);
 
-            let widthAndState = View.resolveSizeAndState(measureWidth, width, widthMode, 0);
-            let heightAndState = View.resolveSizeAndState(measureHeight, height, heightMode, 0);
+            const widthAndState = View.resolveSizeAndState(measureWidth, width, widthMode, 0);
+            const heightAndState = View.resolveSizeAndState(measureHeight, height, heightMode, 0);
 
             this.setMeasuredDimension(widthAndState, heightAndState);
         }
diff --git a/tns-core-modules/utils/utils.ios.ts b/tns-core-modules/utils/utils.ios.ts
index 1439ddca6..7800e5f72 100644
--- a/tns-core-modules/utils/utils.ios.ts
+++ b/tns-core-modules/utils/utils.ios.ts
@@ -16,7 +16,7 @@ export module layout {
     var MODE_MASK = 0x3 << MODE_SHIFT;
 
     export function makeMeasureSpec(size: number, mode: number): number {
-        return (Math.round(size) & ~MODE_MASK) | (mode & MODE_MASK);
+        return (Math.round(Math.max(0, size)) & ~MODE_MASK) | (mode & MODE_MASK);
     }
 
     export function getDisplayDensity(): number {