diff --git a/js/id/graph/relation.js b/js/id/graph/relation.js
index 76ed0bbec..1ed9e8ff1 100644
--- a/js/id/graph/relation.js
+++ b/js/id/graph/relation.js
@@ -66,6 +66,23 @@ _.extend(iD.Relation.prototype, {
         return this.update({members: members});
     },
 
+    asJXON: function(changeset_id) {
+        var r = {
+            relation: {
+                '@id': this.osmId(),
+                '@version': this.version || 0,
+                member: _.map(this.members, function(member) {
+                    return { keyAttributes: { type: member.type, role: member.role, ref: iD.Entity.id.toOSM(member.id) } };
+                }),
+                tag: _.map(this.tags, function(v, k) {
+                    return { keyAttributes: { k: k, v: v } };
+                })
+            }
+        };
+        if (changeset_id) r.relation['@changeset'] = changeset_id;
+        return r;
+    },
+
     isRestriction: function() {
         return !!(this.tags.type && this.tags.type.match(/^restriction:?/));
     },
diff --git a/test/spec/graph/relation.js b/test/spec/graph/relation.js
index d8619726a..8edf9c1e7 100644
--- a/test/spec/graph/relation.js
+++ b/test/spec/graph/relation.js
@@ -140,6 +140,21 @@ describe('iD.Relation', function () {
         });
     });
 
+    describe("#asJXON", function () {
+        it('converts a relation to jxon', function() {
+            var relation = iD.Relation({id: 'r-1', members: [{id: 'w1', role: 'forward', type: 'way'}], tags: {type: 'route'}});
+            expect(relation.asJXON()).to.eql({relation: {
+                '@id': '-1',
+                '@version': 0,
+                member: [{keyAttributes: {ref: '1', role: 'forward', type: 'way'}}],
+                tag: [{keyAttributes: {k: 'type', v: 'route'}}]}});
+        });
+
+        it('includes changeset if provided', function() {
+            expect(iD.Relation().asJXON('1234').relation['@changeset']).to.equal('1234');
+        });
+    });
+
     describe("#multipolygon", function () {
         specify("single polygon consisting of a single way", function () {
             var a = iD.Node(),