diff --git a/scwx-qt/res/palettes/wct/ET.pal b/scwx-qt/res/palettes/wct/ET.pal
index 11170e15..06fe2605 100644
--- a/scwx-qt/res/palettes/wct/ET.pal
+++ b/scwx-qt/res/palettes/wct/ET.pal
@@ -1,6 +1,7 @@
 ; NEXRAD Level-3 palette for product code 135 - EET - Enhanced Echo Tops
 
 Units: KFT
+Scale:   3.281      ; convert internal units (KM) to KFT
 Color: 75 231   0 255
 Color: 70 255 255 255
 Color: 65 255   0   0
diff --git a/scwx-qt/res/palettes/wct/OHP.pal b/scwx-qt/res/palettes/wct/OHP.pal
index 2fe5c6cf..1f8d5dde 100644
--- a/scwx-qt/res/palettes/wct/OHP.pal
+++ b/scwx-qt/res/palettes/wct/OHP.pal
@@ -1,6 +1,6 @@
 ; NEXRAD Level-3 palette for product code 169, OHA, One Hour Precip, 16 Levels
 
-Units IN
+Units: IN
 
 Scale:    0.03937   ; convert internal units (MM) to INCHES
 Color:  4.0  255 255 255
diff --git a/scwx-qt/source/scwx/qt/view/level3_product_view.cpp b/scwx-qt/source/scwx/qt/view/level3_product_view.cpp
index 5acde3ac..812fffbb 100644
--- a/scwx-qt/source/scwx/qt/view/level3_product_view.cpp
+++ b/scwx-qt/source/scwx/qt/view/level3_product_view.cpp
@@ -406,12 +406,7 @@ std::optional<float> Level3ProductView::GetDataValue(std::uint16_t level) const
 
 bool Level3ProductView::IgnoreUnits() const
 {
-   // Don't display units on these products. The current method of displaying
-   // units is not accurate for these.
-   static const std::unordered_set<std::string> kIgnoreUnitsProducts_ {
-      "DAA", "DTA", "DU3", "DU6"};
-
-   return (kIgnoreUnitsProducts_.contains(p->product_));
+   return false;
 }
 
 } // namespace view
diff --git a/wxdata/include/scwx/wsr88d/rpg/product_description_block.hpp b/wxdata/include/scwx/wsr88d/rpg/product_description_block.hpp
index 81a05583..1182828a 100644
--- a/wxdata/include/scwx/wsr88d/rpg/product_description_block.hpp
+++ b/wxdata/include/scwx/wsr88d/rpg/product_description_block.hpp
@@ -70,6 +70,8 @@ public:
    float         log_offset() const;
    float         log_scale() const;
 
+   float gr_scale() const;
+
    std::uint8_t data_mask() const;
    std::uint8_t topped_mask() const;
 
diff --git a/wxdata/source/scwx/wsr88d/rpg/product_description_block.cpp b/wxdata/source/scwx/wsr88d/rpg/product_description_block.cpp
index 0fb7a9fa..1a0effaa 100644
--- a/wxdata/source/scwx/wsr88d/rpg/product_description_block.cpp
+++ b/wxdata/source/scwx/wsr88d/rpg/product_description_block.cpp
@@ -7,6 +7,8 @@
 #include <set>
 #include <string>
 
+#include <units/length.h>
+
 namespace scwx
 {
 namespace wsr88d
@@ -86,6 +88,23 @@ static const std::unordered_map<int, unsigned int> yResolutionMap_ {{37, 1000},
                                                                     {98, 4000},
                                                                     {166, 250}};
 
+// GR uses different internal units than defined units in level 3 products
+static const std::unordered_map<std::int16_t, float> grScale_ {
+   {78, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {79, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {80, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {81, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {82, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {41, ((units::feet<float> {1} * 1000.0f) / units::kilometers<float> {1})},
+   {135, ((units::feet<float> {1} * 1000.0f) / units::kilometers<float> {1})},
+   {169, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {170, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {171, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {172, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {173, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {174, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})},
+   {175, ((units::inches<float> {1} * 0.01f) / units::millimeters<float> {1})}};
+
 class ProductDescriptionBlockImpl
 {
 public:
@@ -654,6 +673,19 @@ float ProductDescriptionBlock::log_scale() const
    return logScale;
 }
 
+float ProductDescriptionBlock::gr_scale() const
+{
+   float grScale = 1.0f;
+
+   auto it = grScale_.find(p->productCode_);
+   if (it != grScale_.cend())
+   {
+      grScale = it->second;
+   }
+
+   return grScale;
+}
+
 std::uint8_t ProductDescriptionBlock::data_mask() const
 {
    std::uint8_t dataMask = 0xff;
@@ -1138,6 +1170,12 @@ ProductDescriptionBlock::data_value(std::uint8_t level) const
       }
    }
 
+   // Scale for GR compatibility
+   if (f.has_value())
+   {
+      f = f.value() * gr_scale();
+   }
+
    return f;
 }