Budy-Kałki is a village in the administrative district of Gmina Puszcza Mariańska, within Żyrardów County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) south-west of Puszcza Mariańska, 13 km (8 mi) south-west of Żyrardów, and 56 km (35 mi) south-west of Warsaw.