diff --git a/src/driver/lcdd.cpp b/src/driver/lcdd.cpp
index 2104bf8c8..874161895 100644
--- a/src/driver/lcdd.cpp
+++ b/src/driver/lcdd.cpp
@@ -888,7 +888,7 @@ void CLCD::showAudioProgress(const char perc, bool isMuted)
 	if (mode == MODE_AUDIO)
 	{
 		display.draw_fill_rect (11,53,73,61, CLCDDisplay::PIXEL_OFF);
-		int dp = int( perc/100.0*61.0+12.0);
+		int dp = perc * 61 / 100 + 12;
 		display.draw_fill_rect (11,54,dp,60, CLCDDisplay::PIXEL_ON);
 		if(isMuted)
 		{
diff --git a/src/driver/vfd.cpp b/src/driver/vfd.cpp
index 5db9a4a14..b4c2e42a1 100644
--- a/src/driver/vfd.cpp
+++ b/src/driver/vfd.cpp
@@ -336,7 +336,7 @@ void CVFD::showVolume(const char vol, const bool /*perform_update*/)
 	ShowIcon(VFD_ICON_FRAME, true);
 
 	if ((mode == MODE_TVRADIO) && g_settings.lcd_setting[SNeutrinoSettings::LCD_SHOW_VOLUME]) {
-		int pp = (int) round((double) vol * (double) 8 / (double) 100);
+		int pp = (vol * 8 + 50) / 100;
 		if(pp > 8) pp = 8;
 
 		if(oldpp != pp) {
@@ -368,7 +368,7 @@ void CVFD::showPercentOver(const unsigned char perc, const bool /*perform_update
 			if(perc == 255)
 				pp = 0;
 			else
-				pp = (int) round((double) perc * (double) 8 / (double) 100);
+				pp = (perc * 8 + 50) / 100;
 //printf("CVFD::showPercentOver: %d, bar %d\n", (int) perc, pp);
 			if(pp > 8) pp = 8;
 			if(pp != percentOver) {
diff --git a/src/gui/infoviewer.cpp b/src/gui/infoviewer.cpp
index 5a58ce14e..dad86a580 100644
--- a/src/gui/infoviewer.cpp
+++ b/src/gui/infoviewer.cpp
@@ -2193,7 +2193,7 @@ void CInfoViewer::showLcdPercentOver ()
 			if (jetzt < info_CurrentNext.current_zeit.startzeit)
 				runningPercent = 0;
 			else
-				runningPercent = MIN ((unsigned) ((float) (jetzt - info_CurrentNext.current_zeit.startzeit) / (float) info_CurrentNext.current_zeit.dauer * 100.), 100);
+				runningPercent = MIN ((jetzt - info_CurrentNext.current_zeit.startzeit) * 100 / info_CurrentNext.current_zeit.dauer, 100);
 		}
 		CVFD::getInstance ()->showPercentOver (runningPercent);
 	}
diff --git a/src/gui/moviebrowser.cpp b/src/gui/moviebrowser.cpp
index d66a2a424..dea999f72 100644
--- a/src/gui/moviebrowser.cpp
+++ b/src/gui/moviebrowser.cpp
@@ -1224,7 +1224,7 @@ void CMovieBrowser::refreshMovieInfo(void)
 		}
 
 		bool logo_ok = false;
-		int picw = (int)(((float)16 / (float)9) * (float)m_cBoxFrameInfo.iHeight);
+		int picw = m_cBoxFrameInfo.iHeight * 16 / 9;
 		int pich = m_cBoxFrameInfo.iHeight;
 		std::string fname = getScreenshotName(m_movieSelectionHandler->file.Name);
 		logo_ok = (fname != "");
@@ -1271,7 +1271,7 @@ void CMovieBrowser::info_hdd_level(bool paint_hdd)
 	if(getSelectedFile() != NULL){
 		if (::statfs(getSelectedFile()->Name.c_str(), &s) == 0) {
 			long blocks_used = s.f_blocks - s.f_bfree;
-			blocks_percent_used = (long)(blocks_used * 100.0 / (blocks_used + s.f_bavail) + 0.5);
+			blocks_percent_used = (blocks_used * 1000 / (blocks_used + s.f_bavail) + 5)/10;
 		}
 	}
 	
@@ -4114,7 +4114,7 @@ if(buf[0] != 0x47) printf("cut: buffer not aligned at %lld\n", sdone);
 					}
 					sdone += r;
 					spos += r - wptr;
-					percent = (int) ((float)(spos)/(float)(newsize)*100.);
+					percent = spos * 100 / newsize;
 					timescale->paintProgressBar2(x + 41, y + 12, percent);
 #if REAL_CUT
 					int wr = write(dstfd, &buf[wptr], r-wptr);
@@ -4342,7 +4342,7 @@ if(buf[0] != 0x47) printf("copy: buffer not aligned at %lld\n", sdone);
 				bskip -= r;
 				spos += r - wptr;
 				btotal += r;
-				percent = (int) ((float)(btotal)/(float)(newsize)*100.);
+				percent = btotal * 100 / newsize;
 				timescale->paintProgressBar2(x + 41, y + 12, percent);
 #if REAL_CUT
 				int wr = write(dstfd, &buf[wptr], r-wptr);
diff --git a/src/gui/widget/progresswindow.cpp b/src/gui/widget/progresswindow.cpp
index c5267ae64..bb0d9128f 100644
--- a/src/gui/widget/progresswindow.cpp
+++ b/src/gui/widget/progresswindow.cpp
@@ -80,7 +80,7 @@ void CProgressWindow::showGlobalStatus(const unsigned int prog)
 		if (global_progress > 100)
 			global_progress = 100;
 
-		pos += int( float(width-20)/100.0 * global_progress);
+		pos += (width - 20) * global_progress / 100;
 		//vordergrund
 		frameBuffer->paintBox(x+10, globalstatusY,pos, globalstatusY+10, COL_MENUCONTENT_PLUS_7);
 	}
@@ -106,7 +106,7 @@ void CProgressWindow::showLocalStatus(const unsigned int prog)
 		if (local_progress > 100)
 			local_progress = 100;
 
-		pos += int( float(width-20)/100.0 * local_progress);
+		pos += (width - 20) * local_progress / 100;
 		//vordergrund
 		frameBuffer->paintBox(x+10, localstatusY,pos, localstatusY+10, COL_MENUCONTENT_PLUS_7);
 	}