diff --git a/code/modules/assembly/proximity.dm b/code/modules/assembly/proximity.dm
index 959d4566d2..488498a58b 100644
--- a/code/modules/assembly/proximity.dm
+++ b/code/modules/assembly/proximity.dm
@@ -107,7 +107,7 @@
 /obj/item/device/assembly/prox_sensor/tgui_data(mob/user)
 	var/list/data = ..()
 
-	data["time"] = time * 10
+	data["time"] = time
 	data["timing"] = timing
 	data["range"] = range
 	data["maxRange"] = 5
@@ -135,7 +135,7 @@
 				for(var/i in 1 to LAZYLEN(L))
 					real_new_time += text2num(L[i]) * (60 ** (LAZYLEN(L) - i))
 			else
-				real_new_time = text2num(new_time)
+				real_new_time = text2num(new_time * 10)
 			time = clamp(real_new_time, 0, 600)
 			return TRUE
 		if("range")
diff --git a/code/modules/assembly/timer.dm b/code/modules/assembly/timer.dm
index fb47a020c3..13e4c63043 100644
--- a/code/modules/assembly/timer.dm
+++ b/code/modules/assembly/timer.dm
@@ -73,7 +73,7 @@
 
 /obj/item/device/assembly/timer/tgui_data(mob/user)
 	var/list/data = ..()
-	data["time"] = time * 10
+	data["time"] = time
 	data["timing"] = timing
 	return data
 
@@ -94,6 +94,6 @@
 				for(var/i in 1 to LAZYLEN(L))
 					real_new_time += text2num(L[i]) * (60 ** (LAZYLEN(L) - i))
 			else
-				real_new_time = text2num(new_time)
+				real_new_time = text2num(new_time * 10)
 			time = clamp(real_new_time, 0, 600)
 			return TRUE
diff --git a/tgui/packages/tgui/interfaces/AssemblyProx.jsx b/tgui/packages/tgui/interfaces/AssemblyProx.jsx
index 19feacea1e..a569ab8113 100644
--- a/tgui/packages/tgui/interfaces/AssemblyProx.jsx
+++ b/tgui/packages/tgui/interfaces/AssemblyProx.jsx
@@ -30,8 +30,8 @@ export const AssemblyProx = (props) => {
                 fluid
                 value={time / 10}
                 minValue={0}
-                maxValue={600}
-                format={(val) => formatTime(round(val))}
+                maxValue={60}
+                format={(val) => formatTime(round(val * 10))}
                 onDrag={(e, val) => act('set_time', { time: val })}
               />
             </LabeledList.Item>
diff --git a/tgui/packages/tgui/interfaces/AssemblyTimer.jsx b/tgui/packages/tgui/interfaces/AssemblyTimer.jsx
index fef7278b3f..98b64eaa62 100644
--- a/tgui/packages/tgui/interfaces/AssemblyTimer.jsx
+++ b/tgui/packages/tgui/interfaces/AssemblyTimer.jsx
@@ -30,8 +30,8 @@ export const AssemblyTimer = (props) => {
                 fluid
                 value={time / 10}
                 minValue={0}
-                maxValue={600}
-                format={(val) => formatTime(round(val))}
+                maxValue={60}
+                format={(val) => formatTime(round(val * 10))}
                 onDrag={(e, val) => act('set_time', { time: val })}
               />
             </LabeledList.Item>
diff --git a/tgui/packages/tgui/interfaces/BrigTimer.jsx b/tgui/packages/tgui/interfaces/BrigTimer.jsx
index 38268d6fb9..44e693a609 100644
--- a/tgui/packages/tgui/interfaces/BrigTimer.jsx
+++ b/tgui/packages/tgui/interfaces/BrigTimer.jsx
@@ -8,7 +8,7 @@ import { Window } from '../layouts';
 export const BrigTimer = (props) => {
   const { act, data } = useBackend();
   return (
-    <Window width={300} height={138}>
+    <Window width={400} height={138}>
       <Window.Content scrollable>
         <Section
           title="Cell Timer"
@@ -40,7 +40,7 @@ export const BrigTimer = (props) => {
             value={data.time_left / 10}
             minValue={0}
             maxValue={data.max_time_left / 10}
-            format={(val) => formatTime(round(val))}
+            format={(val) => formatTime(round(val * 10))}
             onDrag={(e, val) => act('time', { time: val })}
           />
           <Flex mt={1}>
@@ -50,7 +50,7 @@ export const BrigTimer = (props) => {
                 icon="hourglass-start"
                 onClick={() => act('preset', { preset: 'short' })}
               >
-                {'Add ' + formatTime(data.preset_short / 10)}
+                {'Add ' + formatTime(data.preset_short)}
               </Button>
             </Flex.Item>
             <Flex.Item grow={1}>
@@ -59,7 +59,7 @@ export const BrigTimer = (props) => {
                 icon="hourglass-start"
                 onClick={() => act('preset', { preset: 'medium' })}
               >
-                {'Add ' + formatTime(data.preset_medium / 10)}
+                {'Add ' + formatTime(data.preset_medium)}
               </Button>
             </Flex.Item>
             <Flex.Item grow={1}>
@@ -68,7 +68,7 @@ export const BrigTimer = (props) => {
                 icon="hourglass-start"
                 onClick={() => act('preset', { preset: 'long' })}
               >
-                {'Add ' + formatTime(data.preset_long / 10)}
+                {'Add ' + formatTime(data.preset_long)}
               </Button>
             </Flex.Item>
           </Flex>