diff --git a/src/strings.cpp b/src/strings.cpp
index 33e93f82c2..f9f562f49b 100644
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -553,7 +553,7 @@ struct UnitConversion {
 	 * @param input The input to convert.
 	 * @return The converted value.
 	 */
-	int ToDisplay(int input) const
+	int64 ToDisplay(int64 input) const
 	{
 		return (input * this->multiplier) >> this->shift;
 	}
@@ -563,7 +563,7 @@ struct UnitConversion {
 	 * @param input The input to convert.
 	 * @return The converted value.
 	 */
-	int FromDisplay(int input) const
+	int64 FromDisplay(int64 input) const
 	{
 		return ((input << this->shift) + this->multiplier / 2) / this->multiplier;
 	}
@@ -573,7 +573,7 @@ struct Units {
 	UnitConversion c_velocity; ///< Conversion for velocity
 	StringID velocity;         ///< String for velocity
 	UnitConversion c_power;    ///< Conversion for power
-	StringID power;            ///< String for velocity
+	StringID power;            ///< String for power
 	UnitConversion c_weight;   ///< Conversion for weight
 	StringID s_weight;         ///< Short string for weight
 	StringID l_weight;         ///< Long string for weight
@@ -734,14 +734,14 @@ static char *FormatString(char *buff, const char *str_arg, int64 *argv, const in
 			case SCC_VELOCITY: { // {VELOCITY}
 				int64 args[1];
 				assert(_settings_game.locale.units < lengthof(_units));
-				args[0] = ConvertSpeedToDisplaySpeed(GetInt32(&argv, argve, &argt, SCC_VELOCITY) * 10 / 16);
+				args[0] = ConvertSpeedToDisplaySpeed(GetInt64(&argv, argve, &argt, SCC_VELOCITY) * 10 / 16);
 				buff = FormatString(buff, GetStringPtr(_units[_settings_game.locale.units].velocity), args, endof(args), modifier >> 24, last);
 				modifier = 0;
 				break;
 			}
 
 			case SCC_HEIGHT: { // {HEIGHT}
-				int64 args[1] = {_units[_settings_game.locale.units].c_height.ToDisplay(GetInt32(&argv, argve, &argt))};
+				int64 args[1] = {_units[_settings_game.locale.units].c_height.ToDisplay(GetInt64(&argv, argve, &argt))};
 				buff = FormatString(buff, GetStringPtr(_units[_settings_game.locale.units].height), args, endof(args), modifier >> 24, last);
 				modifier = 0;
 				break;
@@ -764,7 +764,7 @@ static char *FormatString(char *buff, const char *str_arg, int64 *argv, const in
 					case STR_TONS: {
 						int64 args[1];
 						assert(_settings_game.locale.units < lengthof(_units));
-						args[0] = _units[_settings_game.locale.units].c_weight.ToDisplay(GetInt32(&argv, argve, &argt));
+						args[0] = _units[_settings_game.locale.units].c_weight.ToDisplay(GetInt64(&argv, argve, &argt));
 						buff = FormatString(buff, GetStringPtr(_units[_settings_game.locale.units].l_weight), args, endof(args), modifier >> 24, last);
 						modifier = 0;
 						break;
@@ -773,7 +773,7 @@ static char *FormatString(char *buff, const char *str_arg, int64 *argv, const in
 					case STR_LITERS: {
 						int64 args[1];
 						assert(_settings_game.locale.units < lengthof(_units));
-						args[0] = _units[_settings_game.locale.units].c_volume.ToDisplay(GetInt32(&argv, argve, &argt));
+						args[0] = _units[_settings_game.locale.units].c_volume.ToDisplay(GetInt64(&argv, argve, &argt));
 						buff = FormatString(buff, GetStringPtr(_units[_settings_game.locale.units].l_volume), args, endof(args), modifier >> 24, last);
 						modifier = 0;
 						break;
@@ -859,7 +859,7 @@ static char *FormatString(char *buff, const char *str_arg, int64 *argv, const in
 			case SCC_VOLUME: { // {VOLUME}
 				int64 args[1];
 				assert(_settings_game.locale.units < lengthof(_units));
-				args[0] = _units[_settings_game.locale.units].c_volume.ToDisplay(GetInt32(&argv, argve, &argt, SCC_VOLUME));
+				args[0] = _units[_settings_game.locale.units].c_volume.ToDisplay(GetInt64(&argv, argve, &argt, SCC_VOLUME));
 				buff = FormatString(buff, GetStringPtr(_units[_settings_game.locale.units].l_volume), args, endof(args), modifier >> 24, last);
 				modifier = 0;
 				break;
@@ -917,7 +917,7 @@ static char *FormatString(char *buff, const char *str_arg, int64 *argv, const in
 			case SCC_POWER: { // {POWER}
 				int64 args[1];
 				assert(_settings_game.locale.units < lengthof(_units));
-				args[0] = _units[_settings_game.locale.units].c_power.ToDisplay(GetInt32(&argv, argve, &argt));
+				args[0] = _units[_settings_game.locale.units].c_power.ToDisplay(GetInt64(&argv, argve, &argt));
 				buff = FormatString(buff, GetStringPtr(_units[_settings_game.locale.units].power), args, endof(args), modifier >> 24, last);
 				modifier = 0;
 				break;
@@ -926,7 +926,7 @@ static char *FormatString(char *buff, const char *str_arg, int64 *argv, const in
 			case SCC_VOLUME_SHORT: { // {VOLUME_S}
 				int64 args[1];
 				assert(_settings_game.locale.units < lengthof(_units));
-				args[0] = _units[_settings_game.locale.units].c_volume.ToDisplay(GetInt32(&argv, argve, &argt));
+				args[0] = _units[_settings_game.locale.units].c_volume.ToDisplay(GetInt64(&argv, argve, &argt));
 				buff = FormatString(buff, GetStringPtr(_units[_settings_game.locale.units].s_volume), args, endof(args), modifier >> 24, last);
 				modifier = 0;
 				break;
@@ -935,7 +935,7 @@ static char *FormatString(char *buff, const char *str_arg, int64 *argv, const in
 			case SCC_WEIGHT: { // {WEIGHT}
 				int64 args[1];
 				assert(_settings_game.locale.units < lengthof(_units));
-				args[0] = _units[_settings_game.locale.units].c_weight.ToDisplay(GetInt32(&argv, argve, &argt, SCC_WEIGHT));
+				args[0] = _units[_settings_game.locale.units].c_weight.ToDisplay(GetInt64(&argv, argve, &argt, SCC_WEIGHT));
 				buff = FormatString(buff, GetStringPtr(_units[_settings_game.locale.units].l_weight), args, endof(args), modifier >> 24, last);
 				modifier = 0;
 				break;
@@ -944,7 +944,7 @@ static char *FormatString(char *buff, const char *str_arg, int64 *argv, const in
 			case SCC_WEIGHT_SHORT: { // {WEIGHT_S}
 				int64 args[1];
 				assert(_settings_game.locale.units < lengthof(_units));
-				args[0] = _units[_settings_game.locale.units].c_weight.ToDisplay(GetInt32(&argv, argve, &argt));
+				args[0] = _units[_settings_game.locale.units].c_weight.ToDisplay(GetInt64(&argv, argve, &argt));
 				buff = FormatString(buff, GetStringPtr(_units[_settings_game.locale.units].s_weight), args, endof(args), modifier >> 24, last);
 				modifier = 0;
 				break;
@@ -953,7 +953,7 @@ static char *FormatString(char *buff, const char *str_arg, int64 *argv, const in
 			case SCC_FORCE: { // {FORCE}
 				int64 args[1];
 				assert(_settings_game.locale.units < lengthof(_units));
-				args[0] = _units[_settings_game.locale.units].c_force.ToDisplay(GetInt32(&argv, argve, &argt));
+				args[0] = _units[_settings_game.locale.units].c_force.ToDisplay(GetInt64(&argv, argve, &argt));
 				buff = FormatString(buff, GetStringPtr(_units[_settings_game.locale.units].force), args, endof(args), modifier >> 24, last);
 				modifier = 0;
 				break;