| month | 1 mo | 2 mo | 3 mo | 4 mo | 5 mo | 6 mo | 7 mo | 8 mo | 9 mo | 10 mo | 11 mo | 12 mo | 13 mo | 14 mo | 15 mo | 16 mo | 17 mo | 18 mo | 19 mo | 20 mo | 21 mo | 22 mo | 23 mo | 24 mo | 25 mo | 26 mo | 27 mo | 28 mo | 29 mo | 30 mo | 31 mo | 32 mo | 33 mo | 34 mo | 35 mo | 36 mo | 37 mo | 38 mo | 39 mo | 40 mo | 41 mo | 42 mo | 43 mo | 44 mo | 45 mo | 46 mo | 47 mo | 48 mo | 49 mo | 50 mo | 51 mo | 52 mo | 53 mo | 54 mo | 55 mo | 56 mo | 57 mo | 58 mo | 59 mo | 60 mo | 61 mo | 62 mo | 63 mo | 64 mo | 65 mo | 66 mo | 67 mo | 68 mo | 69 mo | 70 mo | 71 mo | 72 mo | 73 mo | 74 mo | 75 mo | 76 mo | 77 mo | 78 mo | 79 mo | 80 mo | 81 mo | 82 mo | 83 mo | 84 mo | 85 mo | 86 mo | 87 mo | 88 mo | 89 mo | 90 mo | 91 mo | 92 mo | 93 mo | 94 mo | 95 mo | 96 mo | 97 mo | 98 mo | 99 mo | 100 mo |
| decade | 0.0083333 dec | 0.0166667 dec | 0.0250000 dec | 0.0333333 dec | 0.0416667 dec | 0.0500000 dec | 0.0583333 dec | 0.0666667 dec | 0.0750000 dec | 0.0833333 dec | 0.0916667 dec | 0.1000000 dec | 0.1083333 dec | 0.1166667 dec | 0.1250000 dec | 0.1333333 dec | 0.1416667 dec | 0.1500000 dec | 0.1583333 dec | 0.1666667 dec | 0.1750000 dec | 0.1833333 dec | 0.1916667 dec | 0.2000000 dec | 0.2083333 dec | 0.2166667 dec | 0.2250000 dec | 0.2333333 dec | 0.2416667 dec | 0.2500000 dec | 0.2583333 dec | 0.2666667 dec | 0.2750000 dec | 0.2833333 dec | 0.2916667 dec | 0.3000000 dec | 0.3083333 dec | 0.3166667 dec | 0.3250000 dec | 0.3333333 dec | 0.3416667 dec | 0.3500000 dec | 0.3583333 dec | 0.3666667 dec | 0.3750000 dec | 0.3833333 dec | 0.3916667 dec | 0.4000000 dec | 0.4083333 dec | 0.4166667 dec | 0.4250000 dec | 0.4333333 dec | 0.4416667 dec | 0.4500000 dec | 0.4583333 dec | 0.4666667 dec | 0.4750000 dec | 0.4833333 dec | 0.4916667 dec | 0.5000000 dec | 0.5083333 dec | 0.5166667 dec | 0.5250000 dec | 0.5333333 dec | 0.5416667 dec | 0.5500000 dec | 0.5583333 dec | 0.5666667 dec | 0.5750000 dec | 0.5833333 dec | 0.5916667 dec | 0.6000000 dec | 0.6083333 dec | 0.6166667 dec | 0.6250000 dec | 0.6333333 dec | 0.6416667 dec | 0.6500000 dec | 0.6583333 dec | 0.6666667 dec | 0.6750000 dec | 0.6833333 dec | 0.6916667 dec | 0.7000000 dec | 0.7083333 dec | 0.7166667 dec | 0.7250000 dec | 0.7333333 dec | 0.7416667 dec | 0.7500000 dec | 0.7583333 dec | 0.7666667 dec | 0.7750000 dec | 0.7833333 dec | 0.7916667 dec | 0.8000000 dec | 0.8083333 dec | 0.8166667 dec | 0.8250000 dec | 0.8333333 dec |
A month is a unit of time, used with calendars, which is approximately as long as a natural period related to the motion of the Moon; month and Moon are cognates.
| 1 months ≈ 0.0083333333227704 decades | 6 months ≈ 0.049999999936622 decades |
| 2 months ≈ 0.016666666645541 decades | 7 months ≈ 0.058333333259393 decades |
| 3 months ≈ 0.024999999968311 decades | 8 months ≈ 0.066666666582163 decades |
| 4 months ≈ 0.033333333291082 decades | 9 months ≈ 0.074999999904934 decades |
| 5 months ≈ 0.041666666613852 decades | 10 months ≈ 0.083333333227704 decades |
A decade is a period of ten years. The word is derived (via French and Latin) from the Ancient Greek: δεκάς (/ðɛkˈɑːs/, transliteration=dekas), which means a group of ten.
| 1 decades ≈ 120.00000015211 months | 6 decades ≈ 720.00000091264 months |
| 2 decades ≈ 240.00000030421 months | 7 decades ≈ 840.00000106474 months |
| 3 decades ≈ 360.00000045632 months | 8 decades ≈ 960.00000121685 months |
| 4 decades ≈ 480.00000060842 months | 9 decades ≈ 1080.000001369 months |
| 5 decades ≈ 600.00000076053 months | 10 decades ≈ 1200.0000015211 months |
| 1 months ≈ 0.0083333 decades |
| 1 decades ≈ 120.0000002 months |