diff --git a/src/main/java/gregtech/api/util/GT_Recipe.java b/src/main/java/gregtech/api/util/GT_Recipe.java
index 2bc8985c..3f102216 100644
--- a/src/main/java/gregtech/api/util/GT_Recipe.java
+++ b/src/main/java/gregtech/api/util/GT_Recipe.java
@@ -1406,17 +1406,11 @@ public class GT_Recipe implements Comparable<GT_Recipe> {
     	
     	private GT_Recipe addRecipe(GT_Recipe recipe, double baseBurnTime){
 			recipe = new GT_Recipe(recipe);
-			//Some recipes will have a burn time like 15.9999999 and % always rounds down
-			double floatErrorCorrection = 0.0001;
 			
-    		double bronzeBurnTime = baseBurnTime * 2 + floatErrorCorrection;
-    		bronzeBurnTime -= bronzeBurnTime % 0.05;
-    		double steelBurnTime = baseBurnTime * 1.5 + floatErrorCorrection;
-    		steelBurnTime -= steelBurnTime % 0.05;
-    		double titaniumBurnTime = baseBurnTime * 1.3 + floatErrorCorrection;
-    		titaniumBurnTime -= titaniumBurnTime % 0.05;
-    		double tungstensteelBurnTime = baseBurnTime * 1.2 + floatErrorCorrection;
-    		tungstensteelBurnTime -= tungstensteelBurnTime % 0.05;
+    		double bronzeBurnTime = baseBurnTime * 2;
+    		double steelBurnTime = baseBurnTime * 1.5;
+    		double titaniumBurnTime = baseBurnTime * 1.3;
+    		double tungstensteelBurnTime = baseBurnTime * 1.2;
     		
     		recipe.setNeiDesc("Burn time in seconds:", 
     				String.format("Bronze Boiler: %.2f", bronzeBurnTime), 
diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_LargeBoiler.java b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_LargeBoiler.java
index 4a9130c7..b3c0e8ce 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_LargeBoiler.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_LargeBoiler.java
@@ -24,6 +24,8 @@ public abstract class GT_MetaTileEntity_LargeBoiler
     private boolean firstRun = true;
     private int mSuperEfficencyIncrease = 0;
     private int integratedCircuitConfig = 0; //Steam output is reduced by 1000L per config
+    private int excessFuel = 0; //Eliminate rounding errors for fuels that burn half items
+    private int excessProjectedEU = 0; //Eliminate rounding errors from throttling the boiler
 
     public GT_MetaTileEntity_LargeBoiler(int aID, String aName, String aNameRegional) {
         super(aID, aName, aNameRegional);
@@ -133,6 +135,9 @@ public abstract class GT_MetaTileEntity_LargeBoiler
         if (!tInputList.isEmpty()) {
             for (ItemStack tInput : tInputList) {
                 if ((GT_Utility.getFluidForFilledItem(tInput, true) == null) && ((this.mMaxProgresstime = runtimeBoost(GT_ModHandler.getFuelValue(tInput) / 80)) > 0)) {
+                	this.excessFuel += GT_ModHandler.getFuelValue(tInput) % 80;
+                	this.mMaxProgresstime += this.excessFuel / 80;
+                	this.excessFuel %= 80;
                 	this.mMaxProgresstime = adjustBurnTimeForConfig(this.mMaxProgresstime);
                 	this.mEUt = adjustEUtForConfig(getEUt());
                     this.mEfficiencyIncrease = (this.mMaxProgresstime * getEfficiencyIncrease());
@@ -264,6 +269,10 @@ public abstract class GT_MetaTileEntity_LargeBoiler
     		return rawBurnTime;
     	}
     	int adjustedEUt = Math.max(25, getEUt() - 25 * integratedCircuitConfig);
-    	return rawBurnTime * getEUt() / adjustedEUt;
+    	int adjustedBurnTime = rawBurnTime * getEUt() / adjustedEUt;
+    	this.excessProjectedEU += (getEUt() * rawBurnTime) - (adjustedEUt * adjustedBurnTime);
+    	adjustedBurnTime += this.excessProjectedEU / adjustedEUt;
+    	this.excessProjectedEU %= adjustedEUt;
+    	return adjustedBurnTime;
     }
 }
\ No newline at end of file