diff --git a/translation/pofiles/ko.po b/translation/pofiles/ko.po
index 0e935b6a93..cae77932dc 100644
--- a/translation/pofiles/ko.po
+++ b/translation/pofiles/ko.po
@@ -13,8 +13,8 @@ msgstr ""
 "Project-Id-Version: kicad\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2021-07-19 08:40-0700\n"
-"PO-Revision-Date: 2021-08-09 08:08+0000\n"
-"Last-Translator: jeongsuAn <dks9467@gmail.com>\n"
+"PO-Revision-Date: 2021-08-09 08:13+0000\n"
+"Last-Translator: hokim <teamgoodaloe@gmail.com>\n"
 "Language-Team: Korean <https://hosted.weblate.org/projects/kicad/"
 "master-source/ko/>\n"
 "Language: ko\n"
@@ -19241,7 +19241,7 @@ msgstr ""
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1297
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1526
 msgid "deg C"
-msgstr ""
+msgstr "℃"
 
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1301
 #, fuzzy
@@ -19287,7 +19287,7 @@ msgstr "Ω"
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1636
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1734
 msgid "Voltage drop:"
-msgstr ""
+msgstr "전압 강하:"
 
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1369
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1648
@@ -19409,7 +19409,7 @@ msgstr "트레이스 두께:"
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1612
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1710
 msgid "Cross-section area:"
-msgstr ""
+msgstr "단면적:"
 
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1620
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1718
@@ -19528,7 +19528,7 @@ msgstr "참고: 값은 최소 값입니다"
 
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1928
 msgid "Class 1"
-msgstr ""
+msgstr "클래스 1"
 
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.cpp:1929
 msgid "Class 2"
@@ -19580,7 +19580,7 @@ msgstr "보드 클래스"
 #: pcb_calculator/dialogs/pcb_calculator_frame_base.h:421
 #: resources/linux/launchers/org.kicad.pcbcalculator.desktop.in:10
 msgid "PCB Calculator"
-msgstr ""
+msgstr "PCB 계산기"
 
 #: pcb_calculator/eserie.cpp:322 pcb_calculator/eserie.cpp:341
 #: pcb_calculator/eserie.cpp:367