You might find this set of conversion tables handy if you are calculating areas for a field, run or paddock, whilst you are planning your horse fencing requirements or Studrail order.

Table of Meaures – Linear

Metric Imperial
1 centimetre 0.3937 inch
1 metre 3.2808 feet
1 kilometre 0.621 mile
Imperial Metric
1 inch 2.54 centimetre
1 foot 0.3048 metre
1 mile 1.6093 kilometres

Table of Meaures – Square

Imperial Metric
1 square foot 929.03 square centimetres
1 square yard 0.8361 square metres
1 square rod 25.292 square metres
1 acre 0.4047 hectares
1 square mile 258.999 hectares