diff --git a/cast_test.go b/cast_test.go
index cc4ebce..e9a1290 100644
--- a/cast_test.go
+++ b/cast_test.go
@@ -1123,7 +1123,6 @@ func TestToBoolE(t *testing.T) {
 		expect bool
 		iserr  bool
 	}{
-		{0, false, false},
 		{nil, false, false},
 		{"false", false, false},
 		{"FALSE", false, false},
@@ -1137,10 +1136,35 @@ func TestToBoolE(t *testing.T) {
 		{"True", true, false},
 		{"t", true, false},
 		{"T", true, false},
-		{1, true, false},
 		{true, true, false},
 		{-1, true, false},
 
+		{float64(1), true, false},
+		{float32(1), true, false},
+		{int(1), true, false},
+		{int64(1), true, false},
+		{int32(1), true, false},
+		{int16(1), true, false},
+		{int8(1), true, false},
+		{uint(1), true, false},
+		{uint64(1), true, false},
+		{uint32(1), true, false},
+		{uint16(1), true, false},
+		{uint8(1), true, false},
+
+		{float64(0), false, false},
+		{float32(0), false, false},
+		{int(0), false, false},
+		{int64(0), false, false},
+		{int32(0), false, false},
+		{int16(0), false, false},
+		{int8(0), false, false},
+		{uint(0), false, false},
+		{uint64(0), false, false},
+		{uint32(0), false, false},
+		{uint16(0), false, false},
+		{uint8(0), false, false},
+
 		// errors
 		{"test", false, true},
 		{testing.T{}, false, true},
diff --git a/caste.go b/caste.go
index 9ac1015..60d59c1 100644
--- a/caste.go
+++ b/caste.go
@@ -78,17 +78,60 @@ func ToBoolE(i interface{}) (bool, error) {
 	case bool:
 		return b, nil
 	case nil:
-		return false, nil
+	case float64:
+		if i.(float64) != 0 {
+			return true, nil
+		}
+	case float32:
+		if i.(float32) != 0 {
+			return true, nil
+		}
 	case int:
 		if i.(int) != 0 {
 			return true, nil
 		}
-		return false, nil
+	case int64:
+		if i.(int64) != 0 {
+			return true, nil
+		}
+	case int32:
+		if i.(int32) != 0 {
+			return true, nil
+		}
+	case int16:
+		if i.(int16) != 0 {
+			return true, nil
+		}
+	case int8:
+		if i.(int8) != 0 {
+			return true, nil
+		}
+	case uint:
+		if i.(uint) != 0 {
+			return true, nil
+		}
+	case uint64:
+		if i.(uint64) != 0 {
+			return true, nil
+		}
+	case uint32:
+		if i.(uint32) != 0 {
+			return true, nil
+		}
+	case uint16:
+		if i.(uint16) != 0 {
+			return true, nil
+		}
+	case uint8:
+		if i.(uint8) != 0 {
+			return true, nil
+		}
 	case string:
 		return strconv.ParseBool(i.(string))
 	default:
 		return false, fmt.Errorf("unable to cast %#v of type %T to bool", i, i)
 	}
+	return false, nil
 }
 
 // ToFloat64E casts an interface to a float64 type.