diff --git a/src/viewport.js b/src/viewport.js
index e93d9e7e..5e9fd8a9 100644
--- a/src/viewport.js
+++ b/src/viewport.js
@@ -1007,6 +1007,34 @@ $.Viewport.prototype = {
             this.degreesSpring.target.value;
     },
 
+    /**
+     * Rotates this viewport to the angle specified. Alias for setRotation to be consistent with with pan and zoom API
+     * @function
+     * @param {Number} degrees The degrees to set the rotation to.
+     * @param {Boolean} [immediately=false] Whether to animate to the new angle
+     * or rotate immediately.
+     * @param {OpenSeadragon.Point} [pivot=false] (Optional) point in viewport coordinates
+     * around which the rotation should be performed. Defaults to the center of the viewport.
+     * @returns {OpenSeadragon.Viewport} Chainable.
+     */
+    rotateTo: function(degrees, immediately, pivot){
+        return this.setRotation(degrees, immediately, pivot);
+    },
+
+    /**
+     * Rotates this viewport by the angle specified. Alias for setRotation to be consistent with with pan and zoom API
+     * @function
+     * @param {Number} degrees The degrees by which to rotate the viewport.
+     * @param {Boolean} [immediately=false] Whether to animate to the new angle
+     * or rotate immediately.
+     * @param {OpenSeadragon.Point} [pivot=false] (Optional) point in viewport coordinates
+     * around which the rotation should be performed. Defaults to the center of the viewport.
+     * @returns {OpenSeadragon.Viewport} Chainable.
+     */
+    rotateBy: function(degrees, immediately, pivot){
+        return this.setRotation(this.degreesSpring.target.value + degrees, immediately, pivot);
+    },
+
     /**
      * @function
      * @returns {OpenSeadragon.Viewport} Chainable.