He became an honorary doctor in Moscow in 1977 and in Buenos Aires in 1977. Eklund became an honorary doctor of technology in Budapest in 1977, an honorary senator at the University of Vienna in 1977, an honorary doctor of technology in Dresden in 1978, at the Yonsei University in Seoul in 1978, at the National Agrarian University in Peru in 1979 and at the Royal Institute of Technology in Stockholm in 1980. Eklund became a member of the National Academy of Engineering in United States in 1979.
He received honorary doctoral degrees in Moscow and Buenos Aires in 1977. Eklund earned an honorary doctorate of technology from Budapest in 1977, became an honorary senator at Vienna University in 1977, received a technological doctorate from Dresden in 1978, Yonsei University in Seoul in 1978, National Agrarian University in Peru in 1979, and Royal Institute of Technology in Stockholm in 1980. Eklund was elected to the National Academy of Engineering in the US in 1979.