diff --git a/blocks/library/image/block.js b/blocks/library/image/block.js
index 7629ab5c58f0e..78e436c48585b 100644
--- a/blocks/library/image/block.js
+++ b/blocks/library/image/block.js
@@ -4,11 +4,12 @@
 import classnames from 'classnames';
 import ResizableBox from 're-resizable';
 import {
-	startCase,
+	find,
+	get,
 	isEmpty,
 	map,
-	get,
 	pick,
+	startCase,
 } from 'lodash';
 
 /**
@@ -18,9 +19,12 @@ import { __ } from '@wordpress/i18n';
 import { Component, compose } from '@wordpress/element';
 import { getBlobByURL, revokeBlobURL, viewPort } from '@wordpress/utils';
 import {
+	Button,
+	ButtonGroup,
 	IconButton,
 	PanelBody,
 	SelectControl,
+	TextControl,
 	TextareaControl,
 	Toolbar,
 } from '@wordpress/components';
@@ -55,6 +59,9 @@ class ImageBlock extends Component {
 		this.onSelectImage = this.onSelectImage.bind( this );
 		this.onSetHref = this.onSetHref.bind( this );
 		this.updateImageURL = this.updateImageURL.bind( this );
+		this.updateWidth = this.updateWidth.bind( this );
+		this.updateHeight = this.updateHeight.bind( this );
+		this.updateDimensions = this.updateDimensions.bind( this );
 
 		this.state = {
 			captionFocused: false,
@@ -98,7 +105,11 @@ class ImageBlock extends Component {
 	}
 
 	onSelectImage( media ) {
-		this.props.setAttributes( pick( media, [ 'alt', 'id', 'caption', 'url' ] ) );
+		this.props.setAttributes( {
+			...pick( media, [ 'alt', 'id', 'caption', 'url' ] ),
+			width: undefined,
+			height: undefined,
+		} );
 	}
 
 	onSetHref( value ) {
@@ -133,7 +144,21 @@ class ImageBlock extends Component {
 	}
 
 	updateImageURL( url ) {
-		this.props.setAttributes( { url } );
+		this.props.setAttributes( { url, width: undefined, height: undefined } );
+	}
+
+	updateWidth( width ) {
+		this.props.setAttributes( { width: parseInt( width, 10 ) } );
+	}
+
+	updateHeight( height ) {
+		this.props.setAttributes( { height: parseInt( height, 10 ) } );
+	}
+
+	updateDimensions( width = undefined, height = undefined ) {
+		return () => {
+			this.props.setAttributes( { width, height } );
+		};
 	}
 
 	getAvailableSizes() {
@@ -144,10 +169,6 @@ class ImageBlock extends Component {
 		const { attributes, setAttributes, isSelected, className, settings, toggleSelection } = this.props;
 		const { url, alt, caption, align, id, href, width, height } = attributes;
 
-		const availableSizes = this.getAvailableSizes();
-		const figureStyle = width ? { width } : {};
-		const isResizable = [ 'wide', 'full' ].indexOf( align ) === -1 && ( ! viewPort.isExtraSmall() );
-
 		const controls = (
 			isSelected && (
 				<BlockControls key="controls">
@@ -176,7 +197,10 @@ class ImageBlock extends Component {
 			)
 		);
 
-		if ( ! url ) {
+		const availableSizes = this.getAvailableSizes();
+		const selectedSize = find( availableSizes, ( size ) => size.source_url === url );
+
+		if ( ! url || ! selectedSize ) {
 			return [
 				controls,
 				<ImagePlaceholder
@@ -191,12 +215,13 @@ class ImageBlock extends Component {
 
 		const classes = classnames( className, {
 			'is-transient': 0 === url.indexOf( 'blob:' ),
-			'is-resized': !! width,
+			'is-resized': !! width || !! height,
 			'is-focused': isSelected,
 		} );
 
-		// Disable reason: Each block can be selected by clicking on it
+		const isResizable = [ 'wide', 'full' ].indexOf( align ) === -1 && ( ! viewPort.isExtraSmall() );
 
+		// Disable reason: Each block can be selected by clicking on it
 		/* eslint-disable jsx-a11y/no-static-element-interactions, jsx-a11y/onclick-has-role, jsx-a11y/click-events-have-key-events */
 		return [
 			controls,
@@ -211,7 +236,7 @@ class ImageBlock extends Component {
 						/>
 						{ ! isEmpty( availableSizes ) && (
 							<SelectControl
-								label={ __( 'Size' ) }
+								label={ __( 'Source Type' ) }
 								value={ url }
 								options={ map( availableSizes, ( size, name ) => ( {
 									value: size.source_url,
@@ -220,10 +245,61 @@ class ImageBlock extends Component {
 								onChange={ this.updateImageURL }
 							/>
 						) }
+						<div className="blocks-image__dimensions">
+							<p className="blocks-image__dimensions__row">
+								{ __( 'Image Dimensions' ) }
+							</p>
+							<div className="blocks-image__dimensions__row">
+								<TextControl
+									type="number"
+									className="blocks-image__dimensions__width"
+									label={ __( 'Width' ) }
+									value={ width !== undefined ? width : '' }
+									placeholder={ selectedSize.width }
+									onChange={ this.updateWidth }
+								/>
+								<TextControl
+									type="number"
+									className="blocks-image__dimensions__height"
+									label={ __( 'Height' ) }
+									value={ height !== undefined ? height : '' }
+									placeholder={ selectedSize.height }
+									onChange={ this.updateHeight }
+								/>
+							</div>
+							<div className="blocks-image__dimensions__row">
+								<ButtonGroup aria-label={ __( 'Image Size' ) }>
+									{ [ 25, 50, 75, 100 ].map( ( scale ) => {
+										const scaledWidth = Math.round( selectedSize.width * ( scale / 100 ) );
+										const scaledHeight = Math.round( selectedSize.height * ( scale / 100 ) );
+
+										const isCurrent = width === scaledWidth && height === scaledHeight;
+
+										return (
+											<Button
+												key={ scale }
+												isSmall
+												isPrimary={ isCurrent }
+												aria-pressed={ isCurrent }
+												onClick={ this.updateDimensions( scaledWidth, scaledHeight ) }
+											>
+												{ scale }%
+											</Button>
+										);
+									} ) }
+								</ButtonGroup>
+								<Button
+									isSmall
+									onClick={ this.updateDimensions() }
+								>
+									{ __( 'Reset' ) }
+								</Button>
+							</div>
+						</div>
 					</PanelBody>
 				</InspectorControls>
 			),
-			<figure key="image" className={ classes } style={ figureStyle }>
+			<figure key="image" className={ classes }>
 				<ImageSize src={ url } dirtynessTrigger={ align }>
 					{ ( sizes ) => {
 						const {
@@ -239,7 +315,11 @@ class ImageBlock extends Component {
 						const img = <img src={ url } alt={ alt } onClick={ this.onImageClick } />;
 
 						if ( ! isResizable || ! imageWidthWithinContainer ) {
-							return img;
+							return (
+								<div style={ { width, height } }>
+									{ img }
+								</div>
+							);
 						}
 
 						const currentWidth = width || imageWidthWithinContainer;
diff --git a/blocks/library/image/editor.scss b/blocks/library/image/editor.scss
index db51468bc901e..826b1c103d827 100644
--- a/blocks/library/image/editor.scss
+++ b/blocks/library/image/editor.scss
@@ -7,6 +7,10 @@
 		width: 100%;
 	}
 
+	&.is-resized img {
+		height: 100%;
+	}
+
 	&.is-transient img {
 		@include loading_fade;
 	}
@@ -92,3 +96,30 @@
 		margin-right: auto;
 	}
 }
+
+.edit-post-sidebar .blocks-image__dimensions {
+	margin-bottom: 1em;
+
+	.blocks-image__dimensions__row {
+		display: flex;
+		justify-content: space-between;
+
+		.blocks-image__dimensions__width,
+		.blocks-image__dimensions__height {
+			margin-bottom: 0.5em;
+
+			// Fix the text and placeholder text being misaligned in Safari
+			input {
+				line-height: 1.25;
+			}
+		}
+
+		.blocks-image__dimensions__width {
+			margin-right: 5px;
+		}
+
+		.blocks-image__dimensions__height {
+			margin-left: 5px;
+		}
+	}
+}
diff --git a/blocks/library/paragraph/editor.scss b/blocks/library/paragraph/editor.scss
index a7a87b0415126..a93686fa68e21 100644
--- a/blocks/library/paragraph/editor.scss
+++ b/blocks/library/paragraph/editor.scss
@@ -1,6 +1,7 @@
 .blocks-font-size__main {
 	display: flex;
 	justify-content: space-between;
+	margin-bottom: 1em;
 }
 
 .blocks-paragraph__custom-size-slider {
diff --git a/components/button-group/style.scss b/components/button-group/style.scss
index 5be7e700ac197..3634833e5b606 100644
--- a/components/button-group/style.scss
+++ b/components/button-group/style.scss
@@ -1,6 +1,5 @@
 .components-button-group {
 	display: inline-block;
-	margin-bottom: 20px;
 
 	.components-button {
 		border-radius: 0;
diff --git a/components/button/index.js b/components/button/index.js
index 49713d398a824..26d576b78d47e 100644
--- a/components/button/index.js
+++ b/components/button/index.js
@@ -47,7 +47,7 @@ class Button extends Component {
 			...additionalProps
 		} = this.props;
 		const classes = classnames( 'components-button', className, {
-			button: ( isPrimary || isLarge ),
+			button: ( isPrimary || isLarge || isSmall ),
 			'button-primary': isPrimary,
 			'button-large': isLarge,
 			'button-small': isSmall,
diff --git a/components/button/test/index.js b/components/button/test/index.js
index 2d3582ae8b82c..089d40721ec98 100644
--- a/components/button/test/index.js
+++ b/components/button/test/index.js
@@ -38,7 +38,7 @@ describe( 'Button', () => {
 
 		it( 'should render a button element with button-small class', () => {
 			const button = shallow( <Button isSmall /> );
-			expect( button.hasClass( 'button' ) ).toBe( false );
+			expect( button.hasClass( 'button' ) ).toBe( true );
 			expect( button.hasClass( 'button-large' ) ).toBe( false );
 			expect( button.hasClass( 'button-small' ) ).toBe( true );
 			expect( button.hasClass( 'button-primary' ) ).toBe( false );
diff --git a/components/text-control/README.md b/components/text-control/README.md
index 51f80c365883e..449c132c36f97 100644
--- a/components/text-control/README.md
+++ b/components/text-control/README.md
@@ -44,11 +44,19 @@ Type of the input element to render. Defaults to "text".
 
 ### value
 
-The current value of the input
+The current value of the input.
 
 - Type: `Number`
 - Required: Yes
 
+### className
+
+The class that will be added with "components-base-control" to the classes of the wrapper div.
+If no className is passed only components-base-control is used.
+
+- Type: `String`
+- Required: No
+
 ### onChange
 
 A function that receives the value of the input.
diff --git a/components/text-control/index.js b/components/text-control/index.js
index d0a801f7b7282..66d5812f45916 100644
--- a/components/text-control/index.js
+++ b/components/text-control/index.js
@@ -5,12 +5,12 @@ import BaseControl from '../base-control';
 import withInstanceId from '../higher-order/with-instance-id';
 import './style.scss';
 
-function TextControl( { label, value, help, instanceId, onChange, type = 'text', ...props } ) {
+function TextControl( { label, value, help, className, instanceId, onChange, type = 'text', ...props } ) {
 	const id = `inspector-text-control-${ instanceId }`;
 	const onChangeValue = ( event ) => onChange( event.target.value );
 
 	return (
-		<BaseControl label={ label } id={ id } help={ help }>
+		<BaseControl label={ label } id={ id } help={ help } className={ className }>
 			<input className="components-text-control__input"
 				type={ type }
 				id={ id }
diff --git a/package-lock.json b/package-lock.json
index fce43d9d7a554..a06ef75388465 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11871,9 +11871,9 @@
 			"dev": true
 		},
 		"re-resizable": {
-			"version": "4.0.3",
-			"resolved": "https://registry.npmjs.org/re-resizable/-/re-resizable-4.0.3.tgz",
-			"integrity": "sha512-6YpsC4JFT7zVG8/8gIXxdnrlHdz64/H7dpjHgXNCy5kwy2DIG1dVbdgASNUTwy4AaHgI8rvjJJzr2BxZAVu/3Q=="
+			"version": "4.4.8",
+			"resolved": "https://registry.npmjs.org/re-resizable/-/re-resizable-4.4.8.tgz",
+			"integrity": "sha512-5Nm4FL5wz41/5SYz8yJIM1kCcftxNPXxv3Yfa5qhkrGasHPgYzmzbbu1pcYM9vuCHog79EVwKWuz7zxDH52Gfw=="
 		},
 		"react": {
 			"version": "16.3.0",
diff --git a/package.json b/package.json
index 96f331aeaf77c..68455c98ab923 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
 		"mousetrap": "1.6.1",
 		"prop-types": "15.5.10",
 		"querystringify": "1.0.0",
-		"re-resizable": "4.0.3",
+		"re-resizable": "4.4.8",
 		"react": "16.3.0",
 		"react-autosize-textarea": "3.0.2",
 		"react-click-outside": "2.3.1",