Kairatanr is a village in Pirtanr tehsil in district of Giridih, Jharkhand, India. As per the data provided by Census of India in 2011, total population of Kairatanr was 54 which includes 25 males and 29 females. Kairatanr covers 21 ha area. Pincode of Kairatanr is 825108.