diff --git a/src/page.h b/src/page.h
index 14c5337..15338a5 100644
--- a/src/page.h
+++ b/src/page.h
@@ -245,8 +245,10 @@ namespace xmreg {
                // fmt::print("Receive time: {:s}\n",
                //       xmreg::timestamp_to_str(_tx_info.receive_time));
 
+                uint64_t sum_inputs = sum_xmr_inputs(_tx_info.tx_json);
                 uint64_t sum_outputs = sum_xmr_outputs(_tx_info.tx_json);
 
+
                 // get mixin number in each transaction
                 vector<uint64_t> mixin_numbers = get_mixin_no_in_txs(_tx_info.tx_json);
 
@@ -255,6 +257,7 @@ namespace xmreg {
                         {"timestamp"   , xmreg::timestamp_to_str(_tx_info.receive_time)},
                         {"hash"        , fmt::format("<{:s}>", _tx_info.id_hash)},
                         {"fee"         , fmt::format("{:0.4f}", XMR_AMOUNT(_tx_info.fee))},
+                        {"xmr_inputs" , fmt::format("{:0.4f}", XMR_AMOUNT(sum_inputs))},
                         {"xmr_outputs" , fmt::format("{:0.4f}", XMR_AMOUNT(sum_outputs))},
                         {"mixin" , fmt::format("{:d}", mixin_numbers.at(0))}
                 });
@@ -273,7 +276,7 @@ namespace xmreg {
         uint64_t
         sum_xmr_outputs(const string& json_str)
         {
-            uint64_t sum_xmr;
+            uint64_t sum_xmr {0};
 
             rapidjson::Document json;
 
@@ -304,6 +307,45 @@ namespace xmreg {
             return sum_xmr;
         }
 
+        uint64_t
+        sum_xmr_inputs(const string& json_str)
+        {
+            uint64_t sum_xmr {0};
+
+            rapidjson::Document json;
+
+            if (json.Parse(json_str.c_str()).HasParseError())
+            {
+                cerr << "Failed to parse JSON" << endl;
+                return 0;
+            }
+
+
+            // get information about inputs
+            const rapidjson::Value& vin = json["vin"];
+
+            if (vin.IsArray())
+            {
+                // print("Input key images:\n");
+
+                for (rapidjson::SizeType i = 0; i < vin.Size(); ++i)
+                {
+                    if (vin[i].HasMember("key"))
+                    {
+                        const rapidjson::Value& key_img = vin[i]["key"];
+
+                        // print(" - {:s}, {:0.8f} xmr\n",
+                        //       key_img["k_image"].GetString(),
+                        //       XMR_AMOUNT(key_img["amount"].GetUint64()));
+
+                        sum_xmr += key_img["amount"].GetUint64();
+                    }
+                }
+            }
+
+            return sum_xmr;
+        }
+
         vector<uint64_t>
         get_mixin_no_in_txs(const string& json_str)
         {
diff --git a/src/templates/index.html b/src/templates/index.html
index 9359e36..0b7d95e 100644
--- a/src/templates/index.html
+++ b/src/templates/index.html
@@ -25,7 +25,7 @@
                     <td>block hash</td>
                     <td>reward (w/ fees)</td>
                     <td>no_of_txs</td>
-                    <td>xmr_outputs</td>
+                    <td>inputs/outputs</td>
                     <td>mixin_range</td>
                 </tr>
                 {{#blocks}}
@@ -35,7 +35,7 @@
                     <td>{{hash}}</td>
                     <td>{{block_reward}}</td>
                     <td>{{notx}}</td>
-                    <td>{{xmr_outputs}}</td>
+                    <td>{{xmr_inputs}}/{{xmr_outputs}}</td>
                     <td>{{mixin_range}}</td>
                 </tr>
                 {{/blocks}}
diff --git a/src/templates/mempool.html b/src/templates/mempool.html
index 5c6ac25..369ad6a 100644
--- a/src/templates/mempool.html
+++ b/src/templates/mempool.html
@@ -9,7 +9,7 @@
                 <td>timestamp</td>
                 <td>tx hash</td>
                 <td>tx fee</td>
-                <td>xmr_outputs</td>
+                <td>inputs/outputs</td>
                 <td>mixin</td>
             </tr>
             {{#mempooltxs}}
@@ -18,7 +18,7 @@
                 <td>{{timestamp}}</td>
                 <td>{{hash}}</td>
                 <td>{{fee}}</td>
-                <td>{{xmr_outputs}}</td>
+                <td>{{xmr_inputs}}/{{xmr_outputs}}</td>
                 <td>{{mixin}}</td>
             </tr>
             {{/mempooltxs}}