 The exact length of the furlong varies slightly among English-speaking countries.In Canada and the United Kingdom, which define the furlong in terms of the international yard of exactly 0.9144 metres, a furlong is 201.168 m.
Australia does not formally define the furlong, but it does define the chain and link in terms of the international yard.In the United States, which defines the furlong, chain, rod, and link in terms of the U.S. survey foot of exactly metre, a furlong is approximately 201.1684 m long.