diff --git a/db.py b/db.py
index c59969f..81eeaed 100644
--- a/db.py
+++ b/db.py
@@ -226,7 +226,8 @@ class DataBase():
             E.ExerciseId AS "ExerciseId",
             E.Name AS "ExerciseName",
             T.Repetitions AS "Repetitions", 
-            T.Weight AS "Weight"
+            T.Weight AS "Weight",
+            round((100 * T.Weight)/(101.3-2.67123 * T.Repetitions),0)::numeric::integer AS "Estimated1RM"
         FROM Person P
             LEFT JOIN Workout W ON P.PersonId=W.PersonId
             LEFT JOIN TopSet T ON W.WorkoutId=T.WorkoutId
diff --git a/templates/base.html b/templates/base.html
index 239f608..a80f738 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -7,6 +7,12 @@
 
     <title>Workout Tracker</title>
     <script src="https://cdn.tailwindcss.com"></script>
+    <script src="https://cdn.plot.ly/plotly-2.14.0.min.js"></script>
+    <script>
+        window.addEventListener('resize', function () {
+            window.dispatchEvent(new Event('resize'));
+        })
+    </script>
 </head>
 
 <body>
diff --git a/templates/index.html b/templates/index.html
index e846808..15dbb62 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -2,6 +2,17 @@
 
 {% block content %}
 
+<script>
+    let layout = {
+        margin: { t: 0 }, xaxis: { type: 'date', showgrid: false }, yaxis: {
+            title: 'Estimated 1RM (kg)',
+            showgrid: false
+        }
+    };
+    let config = { responsive: true, displayModeBar: false };
+    let hovertemplate = '<i>Estimated 1RM</i>: <b>%{y}kg</b><br><i>Topset</i>:<b>%{text}</b><br><i>Date</i>: <b>%{x}</b>';
+</script>
+
 <div class="w-full grid grid-cols-1 xl:grid-cols-3 2xl:grid-cols-3 gap-4">
     {% for p in model %}
     <div class="bg-white shadow rounded-lg p-4 sm:p-6 xl:p-8 ">
@@ -23,6 +34,16 @@
                 <div class="align-middle inline-block min-w-full">
                     <div class="shadow overflow-hidden sm:rounded-lg">
                         <h4 class="text-l font-semibold text-blue-400 mb-2 text-center">{{ e['ExerciseName'] }}</h4>
+                        <div id="person-{{ p['PersonId'] }}-exercise-{{ e['ExerciseId'] }}"
+                            class="w-full mt-2 aspect-video"></div>
+                        <script>
+                            Plotly.newPlot(document.getElementById("person-{{ p['PersonId'] }}-exercise-{{ e['ExerciseId'] }}"), [{
+                                x: {{ e['EstimatedOneRepMaxProgressions']['StartDates'] | replace('"', "'") | safe }},
+                                y: {{ e['EstimatedOneRepMaxProgressions']['Estimated1RMs'] | replace('"', "'") | safe }},
+                                text: {{ e['EstimatedOneRepMaxProgressions']['TopSets'] | replace('"', "'") | safe }},
+                                hovertemplate
+                            }], layout, config);
+                        </script>
                         <table class="min-w-full divide-y divide-gray-200">
                             <thead class="bg-gray-50">
                                 <tr>
diff --git a/utils.py b/utils.py
index 0d649a1..7cda24e 100644
--- a/utils.py
+++ b/utils.py
@@ -1,4 +1,5 @@
 from datetime import datetime
+import json
 
 
 def get_workouts(topsets):
@@ -48,17 +49,23 @@ def get_rep_maxes_for_person(person_topsets):
             topsets_for_exercise.append({
                 'StartDate': max_topset_for_rep[0]['StartDate'],
                 'Repetitions': rep,
-                'Weight': max_weight
+                'Weight': max_weight,
+                'Estimated1RM': max_topset_for_rep[0]['Estimated1RM'],
             })
 
         # datetime.strptime(x['StartDate'], "%Y-%m-%d")
         topsets_for_exercise.sort(
-            key=lambda x: x['StartDate'], reverse=True)
+            key=lambda x: x['Repetitions'], reverse=True)
 
         rep_maxes_in_exercises.append({
             'ExerciseId': e['ExerciseId'],
             'ExerciseName': e['ExerciseName'],
             'RepMaxes': topsets_for_exercise,
+            'EstimatedOneRepMaxProgressions': {
+                'StartDates': json.dumps([t['StartDate'] for t in exercise_topsets]),
+                'TopSets': json.dumps([f"{t['Repetitions']} x {t['Weight']}kg" for t in exercise_topsets]),
+                'Estimated1RMs': json.dumps([t['Estimated1RM'] for t in exercise_topsets]),
+            }
         })
     return rep_maxes_in_exercises
 
