A small push-type lawn mower that can be converted into a stand-on riding mower. The mower includes a platform at the rear of the mower deck, and a handle assembly that can be pivoted forwardly making room for a user to step onto the platform. The handle assembly includes controls that drive electric motors that power the rear wheels allowing the user to ride the mower. The handle assembly can be pivoted rearwardly so that the user can access and grab the handle assembly and push the mower while walking behind.