diff --git a/src/generator/com/perunlabs/tool/jvalgen/var/spec/QuantitySpec.java b/src/generator/com/perunlabs/tool/jvalgen/var/spec/QuantitySpec.java
index 19b0807..e71d3a2 100644
--- a/src/generator/com/perunlabs/tool/jvalgen/var/spec/QuantitySpec.java
+++ b/src/generator/com/perunlabs/tool/jvalgen/var/spec/QuantitySpec.java
@@ -1,11 +1,58 @@
 package com.perunlabs.tool.jvalgen.var.spec;
 
+import static com.perunlabs.tool.jvalgen.Utils.list;
+import static com.perunlabs.tool.jvalgen.var.expr.VComponentAccesss.vComponentAccess;
+import static com.perunlabs.tool.jvalgen.var.expr.VCreate.vCreate;
+import static com.perunlabs.tool.jvalgen.var.spec.AllVTypes.QUANTITY;
+import static com.perunlabs.tool.jvalgen.var.type.VFunctions.vFunction;
+import static com.perunlabs.tool.jvalgen.var.type.VParam.vParam;
+
 import com.google.common.collect.ImmutableList;
+import com.perunlabs.tool.jvalgen.var.expr.VExpression;
 import com.perunlabs.tool.jvalgen.var.type.VFunction;
+import com.perunlabs.tool.jvalgen.var.type.VParam;
 
 public class QuantitySpec {
   private QuantitySpec() {}
 
-  public static final ImmutableList<VFunction> ALL_OPERATIONS = ImmutableList.of();
+  public static final VFunction TO_GLOBAL_POSITION = toGlobalPosition();
+  public static final VFunction TO_LOCAL_POSITION = toLocalPosition();
+
+  public static final ImmutableList<VFunction> ALL_OPERATIONS = ImmutableList.of(
+      TO_GLOBAL_POSITION, TO_LOCAL_POSITION);
+
+  private static VFunction toGlobalPosition() {
+    VParam quantity = vParam(QUANTITY, "quantity");
+    VParam position = vParam(QUANTITY, "position");
+
+    VExpression quantityVector = vComponentAccess(quantity, QUANTITY.vector);
+    VExpression quantityAngle = vComponentAccess(quantity, QUANTITY.angle);
+
+    VExpression positionAngle = vComponentAccess(position, QUANTITY.angle);
+
+    VExpression positionedVector = VectorSpec.TO_GLOBAL_POINT.vCall(quantityVector, position);
+    VExpression positionedAngle = FloatSpec.ADD.vCall(quantityAngle, positionAngle);
+
+    VExpression result = vCreate(QUANTITY, list(positionedVector, positionedAngle));
+
+    return vFunction(QUANTITY, QUANTITY, "toGlobalPosition", list(quantity, position), result,
+        false);
+  }
+
+  private static VFunction toLocalPosition() {
+    VParam quantity = vParam(QUANTITY, "quantity");
+    VParam position = vParam(QUANTITY, "position");
+
+    VExpression quantityVector = vComponentAccess(quantity, QUANTITY.vector);
+    VExpression quantityAngle = vComponentAccess(quantity, QUANTITY.angle);
+
+    VExpression positionAngle = vComponentAccess(position, QUANTITY.angle);
+
+    VExpression positionedVector = VectorSpec.TO_LOCAL_POINT.vCall(quantityVector, position);
+    VExpression positionedAngle = FloatSpec.SUB.vCall(quantityAngle, positionAngle);
+
+    VExpression result = vCreate(QUANTITY, list(positionedVector, positionedAngle));
 
+    return vFunction(QUANTITY, QUANTITY, "toLocalPosition", list(quantity, position), result, false);
+  }
 }