diff --git a/src/asammdf/blocks/v2_v3_blocks.py b/src/asammdf/blocks/v2_v3_blocks.py
index ee0a34f97..cfea9a7b9 100644
--- a/src/asammdf/blocks/v2_v3_blocks.py
+++ b/src/asammdf/blocks/v2_v3_blocks.py
@@ -1565,16 +1565,13 @@ def convert(self, values, as_object=False, as_bytes=False, ignore_value2text_con
             P6 = self.P6
 
             X = values
-            if (P1, P4, P5, P6) == (0, 0, 0, 1):
-                if (P2, P3) != (1, 0):
-                    values = values * P2
-                    if P3:
-                        values += P3
-            elif (P3, P4, P5, P6) == (0, 0, 1, 0):
-                if (P1, P2) != (1, 0):
-                    values = values * P1
-                    if P2:
-                        values += P2
+            if (P1, P3, P4, P5) == (0, 0, 0, 0):
+                if P2 != P6:
+                    values = values * (P2 / P6)
+
+            elif (P2, P3, P4, P6) == (0, 0, 0, 0):
+                if P1 != P5:
+                    values = values * (P1 / P5)
             else:
                 try:
                     values = evaluate(v23c.RAT_CONV_TEXT)
diff --git a/src/asammdf/blocks/v4_blocks.py b/src/asammdf/blocks/v4_blocks.py
index c0769b212..36531ae4a 100644
--- a/src/asammdf/blocks/v4_blocks.py
+++ b/src/asammdf/blocks/v4_blocks.py
@@ -3154,17 +3154,13 @@ def convert(self, values, as_object=False, as_bytes=False, ignore_value2text_con
             if names:
                 name = names[0]
                 vals = values[name]
-                if (P1, P4, P5, P6) == (0, 0, 0, 1):
-                    if (P2, P3) != (1, 0):
-                        vals = values[name] * P2
-                        if P3:
-                            vals = vals + P3
-
-                elif (P3, P4, P5, P6) == (0, 0, 1, 0):
-                    if (P1, P2) != (1, 0):
-                        vals = values[name] * P1
-                        if P2:
-                            vals = vals + P2
+                if (P1, P3, P4, P5) == (0, 0, 0, 0):
+                    if P2 != P6:
+                        vals = vals * (P2 / P6)
+
+                elif (P2, P3, P4, P6) == (0, 0, 0, 0):
+                    if P1 != P5:
+                        vals = vals * (P1 / P5)
 
                 else:
                     X = vals
@@ -3181,16 +3177,13 @@ def convert(self, values, as_object=False, as_bytes=False, ignore_value2text_con
 
             else:
                 X = values
-                if (P1, P4, P5, P6) == (0, 0, 0, 1):
-                    if (P2, P3) != (1, 0):
-                        values = values * P2
-                        if P3:
-                            values = values + P3
-                elif (P3, P4, P5, P6) == (0, 0, 1, 0):
-                    if (P1, P2) != (1, 0):
-                        values = values * P1
-                        if P2:
-                            values += P2
+                if (P1, P3, P4, P5) == (0, 0, 0, 0):
+                    if P2 != P6:
+                        values = values * (P2 / P6)
+
+                elif (P2, P3, P4, P6) == (0, 0, 0, 0):
+                    if P1 != P5:
+                        values = values * (P1 / P5)
                 else:
                     try:
                         values = evaluate(v4c.CONV_RAT_TEXT)
diff --git a/src/asammdf/version.py b/src/asammdf/version.py
index e768b1fd8..2b372a510 100644
--- a/src/asammdf/version.py
+++ b/src/asammdf/version.py
@@ -1,3 +1,3 @@
 """ asammdf version module """
 
-__version__ = "7.3.15.dev17"
+__version__ = "7.3.15.dev18"