Measurement converter

Try converting from "perennial" to calendar yr (calendar year), century, decade, fortnight, hour, leap yr (leap year), millenium, month, octennial, olympiad, pregnancy, quindecennial, quinquennial, septennial, sidereal day, sidereal month, spring, week, weekend, yr (year), or any combination of units which equate to "time" and represent time.

perennial = 4.07 autumn, 1 calendar yr (calendar year), .1 decade, 8,765.81 hour, .9979295 leap yr (leap year), .001 millenium, 525,948.77 minute, 12 month, .11111111 novennial, .125 octennial, .25 olympiad, 1.33 pregnancy, .06666667 quindecennial, 31,556,925.98 s (second), .14285714 septennial, 366.24 sidereal day, 3.93 spring, 3.9 summer, 52.18 week, 4.1 winter.