By Sea: Hague Visby Rules (2 SDR): £2.12 per kg / £708.11 per package
By Road: CMR (8.33 SDR): £8.85 per kg
By Air: Montreal Convention (19 SDR): £20.18 per kg
By Air: Warsaw Convention (17 SDR): £18.06 per kg
BIFA STC (2 SDR): £2.12 per kg
The SDR rate on 17 October 2018 according to the IMF website, was 1.06216.