Born on December 18, 1958  (according to his passport, January 1, 1959) in the village of Goldino, Ryazan region. He spent his childhood and school years in the city of Kamyshin, Volgograd Region.
In 1981 he graduated from the graphic arts faculty of the Nizhny Tagil State Pedagogical Institute (now a branch of the Russian State Pedagogical University). Studied under L. I. Perevalov, V. N. Nasedkin, V. G. Mogilevich. From 1983 to 1998 he taught at the faculty, at the same time he was actively involved in creative work. In 1989, 1991 he worked in the Chelyuskinskaya House of Creativity, founded in 1947 by the president of the USSR Academy of Arts, People's Artist A. Gerasimov.
In 1991 he was admitted to the Union of Artists of the USSR. Participant of exhibitions of various levels in Russia abroad. In 1990, 1992, 1998 he became a laureate of the All-Union (later international) biennale of easel graphics in Kaliningrad, a laureate of the International Biennale of Graphics "White Inter Nights - BIN" in St. Petersburg, the All-Russian exhibition "Drawing of Russia" in Tomsk and other competitions.
In 2007, Nikolai Grachikov founded the Collection Foundation for the Support and Development of Art in Nizhny Tagil, of which he is still president. Over the years, the Collection Foundation has organized and held more than 200 exhibitions, including at the Central House of Artists in Moscow, the residence of the Presidential Plenipotentiary in the Urals Federal District, the Ministry of Culture of the Sverdlovsk Region, the Yeltsin Center and Museum of Contemporary Art in Yekaterinburg, and the Nizhny Tagil Museum of Fine Arts. One of the main directions of the foundation's work was the study and systematization of creativity, as well as the creation of a collection of works by famous Tagil artists such as Alexei Konstantinov, Vilen Mukharkin, Evgeny Vagin, Gennady Gorelov and many others.
Since 2008 Nikolay Grachikov has been the head of the graphics section of the board of the Nizhniy Tagil branch of the Union of Artists of Russia. In 2012, together with his wife, he is the curator of a parallel project of the 2nd Ural Industrial Biennale, which was held in the House of Culture "Miner" in the village of Lyovikha.
Nikolai Grachikov's works are kept in various museums in the country, including the collection of the State Russian Museum, as well as in private collections in Russia and the world. In the Nizhniy Tagil Museum of Fine Arts, a mono collection of 23 works of the author has been formed. Awarded with diplomas of the plenipotentiary representative of the president in the Ural Federal District, the government of the Sverdlovsk region, the administration of Nizhny Tagil.
Lives and works in the city of Nizhny Tagil, Sverdlovsk region.