Lapse rate calculator by K.Prakashbalan Post author:prakashbalan Post published:November 16, 2020 Post category:Aerodynamics Calculator / Aerospace Calculator / Aircraft Design / Airplane Performance Calculator / Flight Mechanics Calculator Lapse rate(λ) = T2-T1/h2-h1 SI unit = K/km Lapse rate is nothing but the rate of change of temperature with respect to altitude. You Might Also Like Horizontal tail volume coefficient May 5, 2021 Thrust Calculator-Irfan Mujawar October 12, 2020 Specific Gravity Calculator October 13, 2020