Just for the record, so I wont forget. Romans were using steps as a standard measure, as legions were marching through Europe. The word mile actually comes from Latin mille which means one thousand paces or double-steps. I realized that one pace was 1.48 meters, so two steps should be around 1.5 meters. I tried now at my home with a measuring stripe and it works quite fine. Try to walk two normal steps and you'll se that it should be around 1.5 meters. Obviously, this shall not be used to make fine measurements but it's a very good tip to easily make a rough approach to distances. Keep in mind: two normal adult steps are 1.5 meters.
The calculations are quite simple if you consider that 1.5/2 is 3/4. So you just need to find 3/4=75% of the number of the steps you give, to find the correspondent distance in meters. The simplest mental act to do, is to divide by 4 (divide by two and again divide by two) and then multiply by three. If you walk 8 steps you walk 8/4*3=6 meters; 12 steps, you get 9 meters; 20 steps shall be 15 meters and so on.
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