Enter your product dimensions and weight to get an instant UK size classification — large letter, small parcel, medium parcel, large parcel or oversize — with compatible courier services listed for each band.
UK couriers categorise shipments by size and weight. Royal Mail large letters must be under 353×250×25mm and 750g. Small parcels cover up to 450×350×160mm and 2kg. Medium parcels extend to 610×460×460mm and 20kg. Large parcels cover up to 1.5m on the longest side and 30kg. Oversize items require pallet or specialist freight services.
PackPro handles all size bands from large letters to pallets, routing every product to the right courier service automatically. See our courier integrations or contact us for a shipping quote.