diff --git a/lib/convert.js b/lib/convert.js
index c4ae90d..0f35b62 100644
--- a/lib/convert.js
+++ b/lib/convert.js
@@ -1,6 +1,7 @@
 "use strict";
 const path = require("path");
 const fs = require("fs").promises;
+const { performance } = require("perf_hooks");
 const workerpool = require("workerpool");
 const cliProgress = require("cli-progress");
 
@@ -11,9 +12,12 @@ module.exports = async (cachePath, manifestPath, contentPath, book, concurrentJo
   console.log("Converting raw downloaded HTML to EPUB chapters");
   const progress = new cliProgress.SingleBar({
     stopOnComplete: true,
-    clearOnComplete: true
+    clearOnComplete: true,
+    format: " {bar} {percentage}% | {time} | {value}/{total}"
   }, cliProgress.Presets.shades_classic);
-  progress.start(chapters.length, 0);
+
+  const start = performance.now();
+  progress.start(chapters.length, 0, { time: "     " });
 
   const poolOptions = {};
   if (concurrentJobs !== undefined) {
@@ -30,7 +34,8 @@ module.exports = async (cachePath, manifestPath, contentPath, book, concurrentJo
 
     warnings.push(...await pool.exec("convertChapter", [chapter, book, inputPath, outputPath]));
 
-    progress.increment();
+    const time = String(Math.round((performance.now() - start) / 1000)).padStart(3) + " s";
+    progress.increment({ time });
   }));
 
   pool.terminate();
@@ -39,5 +44,5 @@ module.exports = async (cachePath, manifestPath, contentPath, book, concurrentJo
     console.warn(warning);
   }
 
-  console.log("All chapters converted");
+  console.log(`All chapters converted in ${Math.round((performance.now() - start) / 100) / 10} seconds`);
 };