diff --git a/wp-admin/includes/ms.php b/wp-admin/includes/ms.php
index 65b79a44c3..065c62620a 100644
--- a/wp-admin/includes/ms.php
+++ b/wp-admin/includes/ms.php
@@ -374,7 +374,7 @@ function upload_space_setting( $id ) {
 	?>
 	<tr>
 		<th><?php _e( 'Site Upload Space Quota '); ?></th>
-		<td><input type="number" step="0.1" min="0" size="4" name="option[blog_upload_space]" value="<?php echo $quota; ?>" /> <?php _e( 'MB (Leave blank for network default)' ); ?></td>
+		<td><input type="number" step="10" min="0" style="width: 100px" name="option[blog_upload_space]" value="<?php echo $quota; ?>" /> <?php _e( 'MB (Leave blank for network default)' ); ?></td>
 	</tr>
 	<?php
 }
diff --git a/wp-admin/network/settings.php b/wp-admin/network/settings.php
index 3da429b194..42d5f2e9f4 100644
--- a/wp-admin/network/settings.php
+++ b/wp-admin/network/settings.php
@@ -278,7 +278,7 @@ if ( isset( $_GET['updated'] ) ) {
 			<tr valign="top">
 				<th scope="row"><?php _e( 'Site upload space' ) ?></th>
 				<td>
-				<label><input type="checkbox" id="upload_space_check_disabled" name="upload_space_check_disabled" value="0"<?php checked( get_site_option( 'upload_space_check_disabled' ), 0 ) ?>/> <?php printf( __( 'Limit total size of files uploaded to %s MB' ), '</label><label><input name="blog_upload_space" type="text" id="blog_upload_space" value="' . esc_attr( get_site_option('blog_upload_space', 10) ) . '" size="3" />' ); ?></label><br />
+				<label><input type="checkbox" id="upload_space_check_disabled" name="upload_space_check_disabled" value="0"<?php checked( get_site_option( 'upload_space_check_disabled' ), 0 ) ?>/> <?php printf( __( 'Limit total size of files uploaded to %s MB' ), '</label><label><input name="blog_upload_space" type="number" step="5" min="0" style="width: 100px" id="blog_upload_space" value="' . esc_attr( get_site_option('blog_upload_space', 100) ) . '" />' ); ?></label><br />
 				</td>
 			</tr>
 
@@ -289,7 +289,7 @@ if ( isset( $_GET['updated'] ) ) {
 
 			<tr valign="top">
 				<th scope="row"><label for="fileupload_maxk"><?php _e( 'Max upload file size' ) ?></label></th>
-				<td><?php printf( _x( '%s KB', 'File size in kilobytes' ), '<input name="fileupload_maxk" type="text" id="fileupload_maxk" value="' . esc_attr( get_site_option( 'fileupload_maxk', 300 ) ) . '" size="5" />' ); ?></td>
+				<td><?php printf( _x( '%s KB', 'File size in kilobytes' ), '<input name="fileupload_maxk" type="number" step="100" min="0" style="width: 100px" id="fileupload_maxk" value="' . esc_attr( get_site_option( 'fileupload_maxk', 300 ) ) . '" />' ); ?></td>
 			</tr>
 		</table>