diff --git a/front/packages/models/src/resources/watch-info.ts b/front/packages/models/src/resources/watch-info.ts
index 23f36f66..f6a746cf 100644
--- a/front/packages/models/src/resources/watch-info.ts
+++ b/front/packages/models/src/resources/watch-info.ts
@@ -141,10 +141,6 @@ export const WatchInfoP = z
 		 * The sha1 of the video file.
 		 */
 		sha: z.string(),
-		/**
-		 * The duration of the video (in seconds).
-		 */
-		length: z.number(),
 		/**
 		 * The internal path of the video file.
 		 */
@@ -153,6 +149,14 @@ export const WatchInfoP = z
 		 * The extension used to store this video file.
 		 */
 		extension: z.string(),
+		/**
+		 * The file size of the video file.
+		 */
+		size: z.number(),
+		/**
+		 * The duration of the video (in seconds).
+		 */
+		duration: z.number(),
 		/**
 		 * The container of the video file of this episode. Common containers are mp4, mkv, avi and so on.
 		 */
@@ -179,15 +183,23 @@ export const WatchInfoP = z
 		chapters: z.array(ChapterP),
 	})
 	.transform((x) => {
-		const hour = Math.floor(x.length / 3600);
-		const minutes = Math.ceil((x.length % 3600) / 60);
-		const duration = `${hour ? `${hour}h` : ""}${minutes}m`;
+		const hour = Math.floor(x.duration / 3600);
+		const minutes = Math.ceil((x.duration % 3600) / 60);
+
 		return {
 			...x,
-			duration,
+			duration: `${hour ? `${hour}h` : ""}${minutes}m`,
+			durationSeconds: x.duration,
+			size: humanFileSize(x.size),
 		};
 	});
 
+// from https://stackoverflow.com/questions/10420352/converting-file-size-in-bytes-to-human-readable-string
+const humanFileSize = (size: number): string => {
+	var i = size == 0 ? 0 : Math.floor(Math.log(size) / Math.log(1024));
+	return (size / Math.pow(1024, i)).toFixed(2) * 1 + " " + ["B", "kB", "MB", "GB", "TB"][i];
+};
+
 /**
  * A watch info for a video
  */
diff --git a/front/packages/ui/src/components/media-info.tsx b/front/packages/ui/src/components/media-info.tsx
index b294b87a..76ebfd03 100644
--- a/front/packages/ui/src/components/media-info.tsx
+++ b/front/packages/ui/src/components/media-info.tsx
@@ -19,15 +19,15 @@
  */
 
 import { Audio, QueryIdentifier, Subtitle, WatchInfo, WatchInfoP } from "@kyoo/models";
-import { Button, HR, P, Popup, Skeleton, ts } from "@kyoo/primitives";
+import { Button, HR, P, Popup, Skeleton } from "@kyoo/primitives";
 import { Fetch } from "../fetch";
 import { useTranslation } from "react-i18next";
-import { ScrollView, View } from "react-native";
-import { percent, px, useYoshiki, vh } from "yoshiki/native";
+import { View } from "react-native";
+import { useYoshiki } from "yoshiki/native";
 import { Fragment } from "react";
 
 const MediaInfoTable = ({
-	mediaInfo: { path, video, container, audios, subtitles, duration },
+	mediaInfo: { path, video, container, audios, subtitles, duration, size },
 }: {
 	mediaInfo: Partial<WatchInfo>;
 }) => {
@@ -62,6 +62,7 @@ const MediaInfoTable = ({
 				[t("mediainfo.file")]: path?.replace(/^\/video\//, ""),
 				[t("mediainfo.container")]: container,
 				[t("mediainfo.duration")]: duration,
+				[t("mediainfo.size")]: size,
 			},
 			{
 				[t("mediainfo.video")]: video
diff --git a/front/packages/ui/src/player/index.tsx b/front/packages/ui/src/player/index.tsx
index 96a73315..94f961e9 100644
--- a/front/packages/ui/src/player/index.tsx
+++ b/front/packages/ui/src/player/index.tsx
@@ -127,7 +127,9 @@ export const Player = ({ slug, type }: { slug: string; type: "episode" | "movie"
 				next={next}
 				previous={previous}
 			/>
-			{data && info && <WatchStatusObserver type={type} slug={data.slug} duration={info.length} />}
+			{data && info && (
+				<WatchStatusObserver type={type} slug={data.slug} duration={info.durationSeconds} />
+			)}
 			<View
 				{...css({
 					flexGrow: 1,
diff --git a/front/translations/en.json b/front/translations/en.json
index 73cf116b..0d8e50a6 100644
--- a/front/translations/en.json
+++ b/front/translations/en.json
@@ -184,6 +184,7 @@
 		"subtitles": "Subtitles",
 		"forced": "Forced",
 		"default": "Default",
-		"duration": "Duration"
+		"duration": "Duration",
+		"size": "Size"
 	}
 }
diff --git a/front/translations/fr.json b/front/translations/fr.json
index 36f10f1d..7843b099 100644
--- a/front/translations/fr.json
+++ b/front/translations/fr.json
@@ -184,6 +184,7 @@
 		"subtitles": "Sous titres",
 		"forced": "Forcé",
 		"default": "Par Défaut",
-		"duration": "Duration"
+		"duration": "Duration",
+		"size": "Taille"
 	}
 }
diff --git a/transcoder/src/info.go b/transcoder/src/info.go
index 666c3b63..acd4cf2e 100644
--- a/transcoder/src/info.go
+++ b/transcoder/src/info.go
@@ -22,7 +22,7 @@ type MediaInfo struct {
 	/// The file size of the video file.
 	Size uint64 `json:"size"`
 	/// The length of the media in seconds.
-	Length float32 `json:"length"`
+	Duration float32 `json:"duration"`
 	/// The container of the video file of this episode.
 	Container string `json:"container"`
 	/// The video codec and infromations.
@@ -201,8 +201,8 @@ func GetInfo(path string) (*MediaInfo, error) {
 		// Remove leading .
 		Extension: filepath.Ext(path)[1:],
 		Size:      ParseUint64(mi.Parameter(mediainfo.StreamGeneral, 0, "FileSize")),
-		// convert seconds to ms
-		Length:    ParseFloat(mi.Parameter(mediainfo.StreamGeneral, 0, "Duration")) / 1000,
+		// convert ms to seconds
+		Duration:  ParseFloat(mi.Parameter(mediainfo.StreamGeneral, 0, "Duration")) / 1000,
 		Container: mi.Parameter(mediainfo.StreamGeneral, 0, "Format"),
 		Video: Video{
 			// This codec is not in the right format (does not include bitdepth...).