One Plus One Equals Three

{{Short description|1927 film}}

{{Use dmy dates|date=September 2021}}

{{Infobox film

|name = One Plus One Equals Three

|image =

|caption =

|native_name = {{Infobox name module|de|Eins + Eins {{=}} Drei}}

|director = Felix Basch

|writer = Béla Balázs
Henry Koster

|starring = {{ubl|Veit Harlan|Georg Alexander|Claire Rommer}}

|music = Pasquale Perris

|cinematography = Edgar S. Ziesemer

|studio = Prometheus Film

|distributor = Prometheus Film

|released = {{Film date|1927|12|9|df=y}}

|runtime =

|country = Germany

|language = Silent
German intertitles

}}

One Plus One Equals Three ({{langx|de|2=Eins + Eins = Drei}}) is a 1927 German silent film directed by Felix Basch and starring Veit Harlan, Georg Alexander, and Claire Rommer.Lamprecht, Gerhard. Deutsche Stummfilme: 1927–1931. p. 45.

The film's art direction was by Heinrich Richter.