diff --git a/templates/index.html b/templates/index.html
index 73c51fc..9870cb1 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -49,9 +49,9 @@
     const WORK_DAYS = config.workDays;
     const UPDATE_INTERVAL = config.updateInterval;
 
-    const TOTAL_WORK_MINUTES =
-      (WORK_END_HOUR * 60 + WORK_END_MINUTE) -
-      (WORK_START_HOUR * 60 + WORK_START_MINUTE);
+    const TOTAL_WORK_SECONDS =
+      (WORK_END_HOUR * 3600 + WORK_END_MINUTE * 60) -
+      (WORK_START_HOUR * 3600 + WORK_START_MINUTE * 60);
 
     const WEEKLY_DAY_WEIGHT = 100 / WORK_DAYS.length;
 
@@ -83,17 +83,18 @@
         dailyPercent = 100;
         statusText.textContent = "Workday complete 🎉";
       } else {
-        const elapsedMinutes = Math.floor((now - start) / 60000);
+        const elapsedSeconds = (now - start) / 1000;
+
         dailyPercent = Math.min(
-          (elapsedMinutes / TOTAL_WORK_MINUTES) * 100,
-          100
+        (elapsedSeconds / TOTAL_WORK_SECONDS) * 100,
+        100
         );
         statusText.textContent = "Grinding…";
       }
 
       // Daily progress
       dailyFill.style.width = dailyPercent + "%";
-      dailyPercentText.textContent = dailyPercent.toFixed(1) + "%";
+      dailyPercentText.textContent = dailyPercent.toFixed(4) + "%";
 
       // Weekly progress
       const completedDays = WORK_DAYS.filter(d => d < day).length;
@@ -104,7 +105,7 @@
       weeklyPercent = Math.min(weeklyPercent, 100);
 
       weeklyFill.style.width = weeklyPercent + "%";
-      weeklyPercentText.textContent = weeklyPercent.toFixed(1) + "%";
+      weeklyPercentText.textContent = weeklyPercent.toFixed(4) + "%";
     }
 
     updateProgress();