diff --git a/lang/english.txt b/lang/english.txt
--- a/lang/english.txt
+++ b/lang/english.txt
@@ -334,6 +334,10 @@ STR_UNITS_VOLUME_LONG_IMPERIAL          
 STR_UNITS_VOLUME_LONG_METRIC                                    :{COMMA} litre{P "" s}
 STR_UNITS_VOLUME_LONG_SI                                        :{COMMA} m³
 
+STR_UNITS_FORCE_IMPERIAL                                        :{COMMA}x10^3 lbf
+STR_UNITS_FORCE_METRIC                                          :{COMMA} ton force
+STR_UNITS_FORCE_SI                                              :{COMMA} kN
+
 ############ range for menu	starts
 STR_0154_OPERATING_PROFIT_GRAPH                                 :Operating profit graph
 STR_0155_INCOME_GRAPH                                           :Income graph