| span | 1 span | 2 span | 3 span | 4 span | 5 span | 6 span | 7 span | 8 span | 9 span | 10 span | 11 span | 12 span | 13 span | 14 span | 15 span | 16 span | 17 span | 18 span | 19 span | 20 span | 21 span | 22 span | 23 span | 24 span | 25 span | 26 span | 27 span | 28 span | 29 span | 30 span | 31 span | 32 span | 33 span | 34 span | 35 span | 36 span | 37 span | 38 span | 39 span | 40 span | 41 span | 42 span | 43 span | 44 span | 45 span | 46 span | 47 span | 48 span | 49 span | 50 span | 51 span | 52 span | 53 span | 54 span | 55 span | 56 span | 57 span | 58 span | 59 span | 60 span | 61 span | 62 span | 63 span | 64 span | 65 span | 66 span | 67 span | 68 span | 69 span | 70 span | 71 span | 72 span | 73 span | 74 span | 75 span | 76 span | 77 span | 78 span | 79 span | 80 span | 81 span | 82 span | 83 span | 84 span | 85 span | 86 span | 87 span | 88 span | 89 span | 90 span | 91 span | 92 span | 93 span | 94 span | 95 span | 96 span | 97 span | 98 span | 99 span | 100 span |
| furlong | 0.0011364 fur | 0.0022727 fur | 0.0034091 fur | 0.0045455 fur | 0.0056818 fur | 0.0068182 fur | 0.0079545 fur | 0.0090909 fur | 0.0102273 fur | 0.0113636 fur | 0.0125 fur | 0.0136364 fur | 0.0147727 fur | 0.0159091 fur | 0.0170455 fur | 0.0181818 fur | 0.0193182 fur | 0.0204545 fur | 0.0215909 fur | 0.0227273 fur | 0.0238636 fur | 0.025 fur | 0.0261364 fur | 0.0272727 fur | 0.0284091 fur | 0.0295455 fur | 0.0306818 fur | 0.0318182 fur | 0.0329545 fur | 0.0340909 fur | 0.0352273 fur | 0.0363636 fur | 0.0375 fur | 0.0386364 fur | 0.0397727 fur | 0.0409091 fur | 0.0420455 fur | 0.0431818 fur | 0.0443182 fur | 0.0454545 fur | 0.0465909 fur | 0.0477273 fur | 0.0488636 fur | 0.05 fur | 0.0511364 fur | 0.0522727 fur | 0.0534091 fur | 0.0545455 fur | 0.0556818 fur | 0.0568182 fur | 0.0579545 fur | 0.0590909 fur | 0.0602273 fur | 0.0613636 fur | 0.0625 fur | 0.0636364 fur | 0.0647727 fur | 0.0659091 fur | 0.0670455 fur | 0.0681818 fur | 0.0693182 fur | 0.0704545 fur | 0.0715909 fur | 0.0727273 fur | 0.0738636 fur | 0.075 fur | 0.0761364 fur | 0.0772727 fur | 0.0784091 fur | 0.0795455 fur | 0.0806818 fur | 0.0818182 fur | 0.0829545 fur | 0.0840909 fur | 0.0852273 fur | 0.0863636 fur | 0.0875 fur | 0.0886364 fur | 0.0897727 fur | 0.0909091 fur | 0.0920455 fur | 0.0931818 fur | 0.0943182 fur | 0.0954545 fur | 0.0965909 fur | 0.0977273 fur | 0.0988636 fur | 0.1 fur | 0.1011364 fur | 0.1022727 fur | 0.1034091 fur | 0.1045455 fur | 0.1056818 fur | 0.1068182 fur | 0.1079545 fur | 0.1090909 fur | 0.1102273 fur | 0.1113636 fur | 0.1125 fur | 0.1136364 fur |
A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Sometimes the distinction is made between the great span (thumb to little finger) and little span (index finger to little finger).
| 1 spans = 0.0011363636363636 furlong | 4 spans = 0.0045454545454545 furlong |
| 1.5 spans = 0.0017045454545455 furlong | 4.5 spans = 0.0051136363636364 furlong |
| 2 spans = 0.0022727272727273 furlong | 5 spans = 0.0056818181818182 furlong |
| 2.5 spans = 0.0028409090909091 furlong | 5.5 spans = 0.00625 furlong |
| 3 spans = 0.0034090909090909 furlong | 6 spans = 0.0068181818181818 furlong |
A furlong is a measure of distance in imperial units and U.S. customary units equal to one-eighth of a mile, equivalent to 660 feet, 220 yards, 40 rods, or 10 chains.
| 1 furlong = 880 spans | 4 furlong = 3520 spans |
| 1.5 furlong = 1320 spans | 4.5 furlong = 3960 spans |
| 2 furlong = 1760 spans | 5 furlong = 4400 spans |
| 2.5 furlong = 2200 spans | 5.5 furlong = 4840 spans |
| 3 furlong = 2640 spans | 6 furlong = 5280 spans |
| 1 spans = 0.0011364 furlong |
| 1 furlong = 880 spans |