diff --git a/src/scales/scale.radialLinear.js b/src/scales/scale.radialLinear.js
index b580e1da75b..34066f002bb 100644
--- a/src/scales/scale.radialLinear.js
+++ b/src/scales/scale.radialLinear.js
@@ -77,6 +77,16 @@ module.exports = function(Chart) {
 		};
 	}
 
+	function getTickFontSize(scale) {
+		var opts = scale.options;
+		var tickOpts = opts.ticks;
+
+		if (tickOpts.display && opts.display) {
+			return helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);
+		}
+		return 0;
+	}
+
 	function measureLabelSize(ctx, fontSize, label) {
 		if (helpers.isArray(label)) {
 			return {
@@ -143,6 +153,7 @@ module.exports = function(Chart) {
 		 */
 
 		var plFont = getPointLabelFontOptions(scale);
+		var paddingTop = getTickFontSize(scale) / 2;
 
 		// Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.
 		// Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points
@@ -192,6 +203,11 @@ module.exports = function(Chart) {
 			}
 		}
 
+		if (paddingTop && -paddingTop < furthestLimits.t) {
+			furthestLimits.t = -paddingTop;
+			furthestAngles.t = 0;
+		}
+
 		scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles);
 	}
 
@@ -199,9 +215,10 @@ module.exports = function(Chart) {
 	 * Helper function to fit a radial linear scale with no point labels
 	 */
 	function fit(scale) {
-		var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);
-		scale.drawingArea = Math.round(largestPossibleRadius);
-		scale.setCenterPoint(0, 0, 0, 0);
+		var paddingTop = getTickFontSize(scale) / 2;
+		var largestPossibleRadius = Math.min((scale.height - paddingTop) / 2, scale.width / 2);
+		scale.drawingArea = Math.floor(largestPossibleRadius);
+		scale.setCenterPoint(0, 0, paddingTop, 0);
 	}
 
 	function getTextAlignForAngle(angle) {
@@ -325,8 +342,8 @@ module.exports = function(Chart) {
 			// Set the unconstrained dimension before label rotation
 			me.width = me.maxWidth;
 			me.height = me.maxHeight;
-			me.xCenter = Math.round(me.width / 2);
-			me.yCenter = Math.round(me.height / 2);
+			me.xCenter = Math.floor(me.width / 2);
+			me.yCenter = Math.floor(me.height / 2);
 
 			var minSize = helpers.min([me.height, me.width]);
 			var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);
@@ -400,8 +417,8 @@ module.exports = function(Chart) {
 			radiusReductionBottom = numberOrZero(radiusReductionBottom);
 
 			me.drawingArea = Math.min(
-				Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),
-				Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));
+				Math.floor(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),
+				Math.floor(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));
 			me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);
 		},
 		setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) {
@@ -411,8 +428,8 @@ module.exports = function(Chart) {
 			var maxTop = topMovement + me.drawingArea;
 			var maxBottom = me.height - bottomMovement - me.drawingArea;
 
-			me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left);
-			me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top);
+			me.xCenter = Math.floor(((maxLeft + maxRight) / 2) + me.left);
+			me.yCenter = Math.floor(((maxTop + maxBottom) / 2) + me.top);
 		},
 
 		getIndexAngle: function(index) {
diff --git a/test/fixtures/controller.radar/point-style.png b/test/fixtures/controller.radar/point-style.png
index 562cb620b05..8b6c5d47525 100644
Binary files a/test/fixtures/controller.radar/point-style.png and b/test/fixtures/controller.radar/point-style.png differ
diff --git a/test/fixtures/plugin.filler/fill-radar-boundary-origin-spline.png b/test/fixtures/plugin.filler/fill-radar-boundary-origin-spline.png
index 74124a3e7f2..5896239e986 100644
Binary files a/test/fixtures/plugin.filler/fill-radar-boundary-origin-spline.png and b/test/fixtures/plugin.filler/fill-radar-boundary-origin-spline.png differ
diff --git a/test/fixtures/plugin.filler/fill-radar-boundary-origin.png b/test/fixtures/plugin.filler/fill-radar-boundary-origin.png
index 2c07f7f0b2c..66c6e563a79 100644
Binary files a/test/fixtures/plugin.filler/fill-radar-boundary-origin.png and b/test/fixtures/plugin.filler/fill-radar-boundary-origin.png differ
diff --git a/test/specs/controller.doughnut.tests.js b/test/specs/controller.doughnut.tests.js
index b1969e2817a..2f9602bda73 100644
--- a/test/specs/controller.doughnut.tests.js
+++ b/test/specs/controller.doughnut.tests.js
@@ -195,10 +195,10 @@ describe('Chart.controllers.doughnut', function() {
 			{c: Math.PI / 8, s: Math.PI, e: Math.PI + Math.PI / 8},
 			{c: 3 * Math.PI / 8, s: Math.PI + Math.PI / 8, e: Math.PI + Math.PI / 2}
 		].forEach(function(expected, i) {
-			expect(meta.data[i]._model.x).toBeCloseToPixel(510);
-			expect(meta.data[i]._model.y).toBeCloseToPixel(510);
-			expect(meta.data[i]._model.outerRadius).toBeCloseToPixel(509);
-			expect(meta.data[i]._model.innerRadius).toBeCloseToPixel(381);
+			expect(meta.data[i]._model.x).toBeCloseToPixel(511);
+			expect(meta.data[i]._model.y).toBeCloseToPixel(511);
+			expect(meta.data[i]._model.outerRadius).toBeCloseToPixel(510);
+			expect(meta.data[i]._model.innerRadius).toBeCloseToPixel(382);
 			expect(meta.data[i]._model.circumference).toBeCloseTo(expected.c, 8);
 			expect(meta.data[i]._model.startAngle).toBeCloseTo(expected.s, 8);
 			expect(meta.data[i]._model.endAngle).toBeCloseTo(expected.e, 8);
diff --git a/test/specs/controller.polarArea.tests.js b/test/specs/controller.polarArea.tests.js
index b706f8376a6..1023bf0789b 100644
--- a/test/specs/controller.polarArea.tests.js
+++ b/test/specs/controller.polarArea.tests.js
@@ -99,13 +99,13 @@ describe('Chart.controllers.polarArea', function() {
 		expect(meta.data.length).toBe(4);
 
 		[
-			{o: 179, s: -0.5 * Math.PI, e: 0},
-			{o: 243, s: 0, e: 0.5 * Math.PI},
+			{o: 177, s: -0.5 * Math.PI, e: 0},
+			{o: 240, s: 0, e: 0.5 * Math.PI},
 			{o: 51, s: 0.5 * Math.PI, e: Math.PI},
 			{o: 0, s: Math.PI, e: 1.5 * Math.PI}
 		].forEach(function(expected, i) {
 			expect(meta.data[i]._model.x).toBeCloseToPixel(256);
-			expect(meta.data[i]._model.y).toBeCloseToPixel(256);
+			expect(meta.data[i]._model.y).toBeCloseToPixel(259);
 			expect(meta.data[i]._model.innerRadius).toBeCloseToPixel(0);
 			expect(meta.data[i]._model.outerRadius).toBeCloseToPixel(expected.o);
 			expect(meta.data[i]._model.startAngle).toBe(expected.s);
@@ -141,9 +141,9 @@ describe('Chart.controllers.polarArea', function() {
 		chart.update();
 
 		expect(meta.data[0]._model.x).toBeCloseToPixel(256);
-		expect(meta.data[0]._model.y).toBeCloseToPixel(256);
+		expect(meta.data[0]._model.y).toBeCloseToPixel(259);
 		expect(meta.data[0]._model.innerRadius).toBeCloseToPixel(0);
-		expect(meta.data[0]._model.outerRadius).toBeCloseToPixel(179);
+		expect(meta.data[0]._model.outerRadius).toBeCloseToPixel(177);
 		expect(meta.data[0]._model).toEqual(jasmine.objectContaining({
 			startAngle: -0.5 * Math.PI,
 			endAngle: 0,
@@ -183,13 +183,13 @@ describe('Chart.controllers.polarArea', function() {
 		expect(meta.data.length).toBe(4);
 
 		[
-			{o: 179, s: 0, e: 0.5 * Math.PI},
-			{o: 243, s: 0.5 * Math.PI, e: Math.PI},
+			{o: 177, s: 0, e: 0.5 * Math.PI},
+			{o: 240, s: 0.5 * Math.PI, e: Math.PI},
 			{o: 51, s: Math.PI, e: 1.5 * Math.PI},
 			{o: 0, s: 1.5 * Math.PI, e: 2.0 * Math.PI}
 		].forEach(function(expected, i) {
 			expect(meta.data[i]._model.x).toBeCloseToPixel(256);
-			expect(meta.data[i]._model.y).toBeCloseToPixel(256);
+			expect(meta.data[i]._model.y).toBeCloseToPixel(259);
 			expect(meta.data[i]._model.innerRadius).toBeCloseToPixel(0);
 			expect(meta.data[i]._model.outerRadius).toBeCloseToPixel(expected.o);
 			expect(meta.data[i]._model.startAngle).toBe(expected.s);
diff --git a/test/specs/controller.radar.tests.js b/test/specs/controller.radar.tests.js
index 7e85e9e7eac..b71a2e47398 100644
--- a/test/specs/controller.radar.tests.js
+++ b/test/specs/controller.radar.tests.js
@@ -154,10 +154,10 @@ describe('Chart.controllers.radar', function() {
 		meta.controller.update();
 
 		[
-			{x: 256, y: 117, cppx: 246, cppy: 117, cpnx: 272, cpny: 117},
-			{x: 464, y: 256, cppx: 464, cppy: 248, cpnx: 464, cpny: 262},
-			{x: 256, y: 256, cppx: 276.9, cppy: 256, cpnx: 250.4, cpny: 256},
-			{x: 200, y: 256, cppx: 200, cppy: 259, cpnx: 200, cpny: 245},
+			{x: 256, y: 116, cppx: 246, cppy: 116, cpnx: 273, cpny: 116},
+			{x: 466, y: 256, cppx: 466, cppy: 248, cpnx: 466, cpny: 262},
+			{x: 256, y: 256, cppx: 277, cppy: 256, cpnx: 250.4, cpny: 256},
+			{x: 200, y: 256, cppx: 200, cppy: 260, cpnx: 200, cpny: 246},
 		].forEach(function(expected, i) {
 			expect(meta.data[i]._model.x).toBeCloseToPixel(expected.x);
 			expect(meta.data[i]._model.y).toBeCloseToPixel(expected.y);
@@ -211,8 +211,8 @@ describe('Chart.controllers.radar', function() {
 
 		// Since tension is now 0, we don't care about the control points
 		[
-			{x: 256, y: 117},
-			{x: 464, y: 256},
+			{x: 256, y: 116},
+			{x: 466, y: 256},
 			{x: 256, y: 256},
 			{x: 200, y: 256},
 		].forEach(function(expected, i) {
@@ -270,11 +270,11 @@ describe('Chart.controllers.radar', function() {
 		}));
 
 		expect(meta.data[0]._model.x).toBeCloseToPixel(256);
-		expect(meta.data[0]._model.y).toBeCloseToPixel(117);
+		expect(meta.data[0]._model.y).toBeCloseToPixel(116);
 		expect(meta.data[0]._model.controlPointPreviousX).toBeCloseToPixel(241);
-		expect(meta.data[0]._model.controlPointPreviousY).toBeCloseToPixel(117);
+		expect(meta.data[0]._model.controlPointPreviousY).toBeCloseToPixel(116);
 		expect(meta.data[0]._model.controlPointNextX).toBeCloseToPixel(281);
-		expect(meta.data[0]._model.controlPointNextY).toBeCloseToPixel(117);
+		expect(meta.data[0]._model.controlPointNextY).toBeCloseToPixel(116);
 		expect(meta.data[0]._model).toEqual(jasmine.objectContaining({
 			radius: 2.2,
 			backgroundColor: 'rgb(0, 1, 3)',
diff --git a/test/specs/scale.radialLinear.tests.js b/test/specs/scale.radialLinear.tests.js
index 707ce0b7c52..f215b287206 100644
--- a/test/specs/scale.radialLinear.tests.js
+++ b/test/specs/scale.radialLinear.tests.js
@@ -345,9 +345,9 @@ describe('Test the radial linear scale', function() {
 			}
 		});
 
-		expect(chart.scale.drawingArea).toBe(233);
+		expect(chart.scale.drawingArea).toBe(232);
 		expect(chart.scale.xCenter).toBe(256);
-		expect(chart.scale.yCenter).toBe(280);
+		expect(chart.scale.yCenter).toBe(279);
 	});
 
 	it('should correctly get the label for a given data index', function() {
@@ -393,7 +393,7 @@ describe('Test the radial linear scale', function() {
 		});
 
 		expect(chart.scale.getDistanceFromCenterForValue(chart.scale.min)).toBe(0);
-		expect(chart.scale.getDistanceFromCenterForValue(chart.scale.max)).toBe(233);
+		expect(chart.scale.getDistanceFromCenterForValue(chart.scale.max)).toBe(232);
 		expect(chart.scale.getPointPositionForValue(1, 5)).toEqual({
 			x: 270,
 			y: 275,
@@ -402,7 +402,7 @@ describe('Test the radial linear scale', function() {
 		chart.scale.options.ticks.reverse = true;
 		chart.update();
 
-		expect(chart.scale.getDistanceFromCenterForValue(chart.scale.min)).toBe(233);
+		expect(chart.scale.getDistanceFromCenterForValue(chart.scale.min)).toBe(232);
 		expect(chart.scale.getDistanceFromCenterForValue(chart.scale.max)).toBe(0);
 	});