Index: applications/editors/josm/plugins/buildings_tools/build.xml
===================================================================
--- applications/editors/josm/plugins/buildings_tools/build.xml	(revision 25192)
+++ applications/editors/josm/plugins/buildings_tools/build.xml	(revision 25469)
@@ -33,5 +33,5 @@
 	<property name="commit.message" value="update (23630 was committed together with the code which is not right)" />
 	<!-- enter the *lowest* JOSM version this plugin is currently compatible with -->
-	<property name="plugin.main.version" value="3835" />
+	<property name="plugin.main.version" value="3922" />
 
 
Index: applications/editors/josm/plugins/buildings_tools/src/buildings_tools/Building.java
===================================================================
--- applications/editors/josm/plugins/buildings_tools/src/buildings_tools/Building.java	(revision 25192)
+++ applications/editors/josm/plugins/buildings_tools/src/buildings_tools/Building.java	(revision 25469)
@@ -28,5 +28,4 @@
 
 class Building {
-    private static final double eqlen = 40075004; // length of equator in metres
     private final EastNorth[] en = new EastNorth[4];
 
@@ -83,5 +82,5 @@
 
     private void updMetrics() {
-        meter = 2 * Math.PI / (Math.cos(Math.toRadians(eastNorth2latlon(en[0]).lat())) * eqlen);
+        meter = 1 / Math.cos(Math.toRadians(eastNorth2latlon(en[0]).lat()));
         len = 0;
     }