diff --git a/src/PhpWord/Writer/RTF/Style/Border.php b/src/PhpWord/Writer/RTF/Style/Border.php
index 08dcf018..db97c28d 100644
--- a/src/PhpWord/Writer/RTF/Style/Border.php
+++ b/src/PhpWord/Writer/RTF/Style/Border.php
@@ -92,7 +92,7 @@ class Border extends AbstractStyle
 
         $content .= '\pgbrdr' . substr($side, 0, 1);
         $content .= '\brdrs'; // Single-thickness border; @todo Get other type of border
-        $content .= '\brdrw' . $width; // Width
+        $content .= '\brdrw' . round($width); // Width
         $content .= '\brdrcf' . $colorIndex; // Color
         $content .= '\brsp480'; // Space in twips between borders and the paragraph (24pt, following OOXML)
         $content .= ' ';
diff --git a/src/PhpWord/Writer/RTF/Style/Font.php b/src/PhpWord/Writer/RTF/Style/Font.php
index 8c729425..b9001ea0 100644
--- a/src/PhpWord/Writer/RTF/Style/Font.php
+++ b/src/PhpWord/Writer/RTF/Style/Font.php
@@ -53,7 +53,7 @@ class Font extends AbstractStyle
         $content .= '\f' . $this->nameIndex;
 
         $size = $style->getSize();
-        $content .= $this->getValueIf(is_numeric($size), '\fs' . ($size * 2));
+        $content .= $this->getValueIf(is_numeric($size), '\fs' . round($size * 2));
 
         $content .= $this->getValueIf($style->isBold(), '\b');
         $content .= $this->getValueIf($style->isItalic(), '\i');
diff --git a/src/PhpWord/Writer/RTF/Style/Indentation.php b/src/PhpWord/Writer/RTF/Style/Indentation.php
index dd52230e..50e8ad99 100644
--- a/src/PhpWord/Writer/RTF/Style/Indentation.php
+++ b/src/PhpWord/Writer/RTF/Style/Indentation.php
@@ -36,9 +36,9 @@ class Indentation extends AbstractStyle
             return '';
         }
 
-        $content = '\fi' . $style->getFirstLine();
-        $content .= '\li' . $style->getLeft();
-        $content .= '\ri' . $style->getRight();
+        $content = '\fi' . round($style->getFirstLine());
+        $content .= '\li' . round($style->getLeft());
+        $content .= '\ri' . round($style->getRight());
 
         return $content . ' ';
     }
diff --git a/src/PhpWord/Writer/RTF/Style/Paragraph.php b/src/PhpWord/Writer/RTF/Style/Paragraph.php
index cb50a31b..8ef3e146 100644
--- a/src/PhpWord/Writer/RTF/Style/Paragraph.php
+++ b/src/PhpWord/Writer/RTF/Style/Paragraph.php
@@ -65,8 +65,8 @@ class Paragraph extends AbstractStyle
             $content .= $alignments[$style->getAlignment()];
         }
         $content .= $this->writeIndentation($style->getIndentation());
-        $content .= $this->getValueIf($spaceBefore !== null, '\sb' . $spaceBefore);
-        $content .= $this->getValueIf($spaceAfter !== null, '\sa' . $spaceAfter);
+        $content .= $this->getValueIf($spaceBefore !== null, '\sb' . round($spaceBefore));
+        $content .= $this->getValueIf($spaceAfter !== null, '\sa' . round($spaceAfter));
 
         $styles = $style->getStyleValues();
         $content .= $this->writeTabs($styles['tabs']);
diff --git a/src/PhpWord/Writer/RTF/Style/Section.php b/src/PhpWord/Writer/RTF/Style/Section.php
index ee6efcf3..190bb670 100644
--- a/src/PhpWord/Writer/RTF/Style/Section.php
+++ b/src/PhpWord/Writer/RTF/Style/Section.php
@@ -46,13 +46,13 @@ class Section extends AbstractStyle
         $content .= $this->getValueIf($style->getPageSizeW() !== null, '\pgwsxn' . round($style->getPageSizeW()));
         $content .= $this->getValueIf($style->getPageSizeH() !== null, '\pghsxn' . round($style->getPageSizeH()));
         $content .= ' ';
-        $content .= $this->getValueIf($style->getMarginTop() !== null, '\margtsxn' . $style->getMarginTop());
-        $content .= $this->getValueIf($style->getMarginRight() !== null, '\margrsxn' . $style->getMarginRight());
-        $content .= $this->getValueIf($style->getMarginBottom() !== null, '\margbsxn' . $style->getMarginBottom());
-        $content .= $this->getValueIf($style->getMarginLeft() !== null, '\marglsxn' . $style->getMarginLeft());
-        $content .= $this->getValueIf($style->getHeaderHeight() !== null, '\headery' . $style->getHeaderHeight());
-        $content .= $this->getValueIf($style->getFooterHeight() !== null, '\footery' . $style->getFooterHeight());
-        $content .= $this->getValueIf($style->getGutter() !== null, '\guttersxn' . $style->getGutter());
+        $content .= $this->getValueIf($style->getMarginTop() !== null, '\margtsxn' . round($style->getMarginTop()));
+        $content .= $this->getValueIf($style->getMarginRight() !== null, '\margrsxn' . round($style->getMarginRight()));
+        $content .= $this->getValueIf($style->getMarginBottom() !== null, '\margbsxn' . round($style->getMarginBottom()));
+        $content .= $this->getValueIf($style->getMarginLeft() !== null, '\marglsxn' . round($style->getMarginLeft()));
+        $content .= $this->getValueIf($style->getHeaderHeight() !== null, '\headery' . round($style->getHeaderHeight()));
+        $content .= $this->getValueIf($style->getFooterHeight() !== null, '\footery' . round($style->getFooterHeight()));
+        $content .= $this->getValueIf($style->getGutter() !== null, '\guttersxn' . round($style->getGutter()));
         $content .= ' ';
 
         // Borders
diff --git a/src/PhpWord/Writer/RTF/Style/Tab.php b/src/PhpWord/Writer/RTF/Style/Tab.php
index fe1f9363..a21b13d3 100644
--- a/src/PhpWord/Writer/RTF/Style/Tab.php
+++ b/src/PhpWord/Writer/RTF/Style/Tab.php
@@ -42,7 +42,7 @@ class Tab extends AbstractStyle
         if (isset($tabs[$style->getType()])) {
             $content .= $tabs[$style->getType()];
         }
-        $content .= '\tx' . $style->getPosition();
+        $content .= '\tx' . round($style->getPosition());
 
         return $content;
     }