diff --git a/upack/src/upack/Msg.scala b/upack/src/upack/Msg.scala
index cb674b57d..66a246484 100644
--- a/upack/src/upack/Msg.scala
+++ b/upack/src/upack/Msg.scala
@@ -73,6 +73,24 @@ sealed trait Msg extends Readable with geny.Writable{
     case UInt64(value) => value
     case _ => throw Msg.InvalidData(this, "Expected ujson.Num")
   }
+  /**
+    * Returns the `Float` value of this [[Msg]], fails if it is not
+    * a [[upack.Float32]] or [[upack.Float64]]
+    */
+  def float32 = this match{
+    case Float32(value) => value
+    case Float64(value) => value.toFloat
+    case _ => throw Msg.InvalidData(this, "Expected ujson.Num")
+  }
+  /**
+    * Returns the `Double` value of this [[Msg]], fails if it is not
+    * a [[upack.Float32]] or [[upack.Float64]]
+    */
+  def float64 = this match{
+    case Float32(value) => value.toDouble
+    case Float64(value) => value
+    case _ => throw Msg.InvalidData(this, "Expected ujson.Num")
+  }
   /**
     * Returns the `Boolean` value of this [[Msg]], fails if it is not
     * a [[upack.Bool]]