Months Conversion

Calendars document the days in a month

The month is a unit used to measure time. Use one of the conversion calculators below to convert to another unit of measure, or read on to learn more about months.

Month Conversion Calculators

Choose a unit of time to convert to.

Month Definition and Usage

One month is a unit of time equal to 1/12 of a year. The month is a unit of time used on a calendar, and ranges in length from 28 to 31 days.

Months can be abbreviated as mo, for example 1 month can be written as 1 mo.

Months Measurement Conversion Table

Months and the equivalent time durations
months centuries decades years weeks days hours minutes seconds milliseconds microseconds nanoseconds
1 mo 0.000833 0.008333 0.083333 yr 4.348125 wk 30.436875 day 730.485 hr 43,829 min 2,629,746 sec 2,629,746,000 ms 2,629,746,000,000 µs 2,629,700,000,000,000 ns
2 mo 0.001667 0.016667 0.166667 yr 8.69625 wk 60.87375 day 1,461 hr 87,658 min 5,259,492 sec 5,259,492,000 ms 5,259,492,000,000 µs 5,259,500,000,000,000 ns
3 mo 0.0025 0.025 0.25 yr 13.044375 wk 91.310625 day 2,191 hr 131,487 min 7,889,238 sec 7,889,238,000 ms 7,889,238,000,000 µs 7,889,200,000,000,000 ns
4 mo 0.003333 0.033333 0.333333 yr 17.3925 wk 121.7475 day 2,922 hr 175,316 min 10,518,984 sec 10,518,984,000 ms 10,518,984,000,000 µs 10,519,000,000,000,000 ns
5 mo 0.004167 0.041667 0.416667 yr 21.740625 wk 152.184375 day 3,652 hr 219,146 min 13,148,730 sec 13,148,730,000 ms 13,148,730,000,000 µs 13,149,000,000,000,000 ns
6 mo 0.005 0.05 0.5 yr 26.08875 wk 182.62125 day 4,383 hr 262,975 min 15,778,476 sec 15,778,476,000 ms 15,778,476,000,000 µs 15,778,000,000,000,000 ns
7 mo 0.005833 0.058333 0.583333 yr 30.436875 wk 213.058125 day 5,113 hr 306,804 min 18,408,222 sec 18,408,222,000 ms 18,408,222,000,000 µs 18,408,000,000,000,000 ns
8 mo 0.006667 0.066667 0.666667 yr 34.785 wk 243.495 day 5,844 hr 350,633 min 21,037,968 sec 21,037,968,000 ms 21,037,968,000,000 µs 21,038,000,000,000,000 ns
9 mo 0.0075 0.075 0.75 yr 39.133125 wk 273.931875 day 6,574 hr 394,462 min 23,667,714 sec 23,667,714,000 ms 23,667,714,000,000 µs 23,668,000,000,000,000 ns
10 mo 0.008333 0.083333 0.833333 yr 43.48125 wk 304.36875 day 7,305 hr 438,291 min 26,297,460 sec 26,297,460,000 ms 26,297,460,000,000 µs 26,297,000,000,000,000 ns
11 mo 0.009167 0.091667 0.916667 yr 47.829375 wk 334.805625 day 8,035 hr 482,120 min 28,927,206 sec 28,927,206,000 ms 28,927,206,000,000 µs 28,927,000,000,000,000 ns
12 mo 0.01 0.1 1 yr 52.1775 wk 365.2425 day 8,766 hr 525,949 min 31,556,952 sec 31,556,952,000 ms 31,556,952,000,000 µs 31,557,000,000,000,000 ns
13 mo 0.010833 0.108333 1.083333 yr 56.525625 wk 395.679375 day 9,496 hr 569,778 min 34,186,698 sec 34,186,698,000 ms 34,186,698,000,000 µs 34,187,000,000,000,000 ns
14 mo 0.011667 0.116667 1.166667 yr 60.87375 wk 426.11625 day 10,227 hr 613,607 min 36,816,444 sec 36,816,444,000 ms 36,816,444,000,000 µs 36,816,000,000,000,000 ns
15 mo 0.0125 0.125 1.25 yr 65.221875 wk 456.553125 day 10,957 hr 657,437 min 39,446,190 sec 39,446,190,000 ms 39,446,190,000,000 µs 39,446,000,000,000,000 ns
16 mo 0.013333 0.133333 1.333333 yr 69.57 wk 486.99 day 11,688 hr 701,266 min 42,075,936 sec 42,075,936,000 ms 42,075,936,000,000 µs 42,076,000,000,000,000 ns
17 mo 0.014167 0.141667 1.416667 yr 73.918125 wk 517.426875 day 12,418 hr 745,095 min 44,705,682 sec 44,705,682,000 ms 44,705,682,000,000 µs 44,706,000,000,000,000 ns
18 mo 0.015 0.15 1.5 yr 78.26625 wk 547.86375 day 13,149 hr 788,924 min 47,335,428 sec 47,335,428,000 ms 47,335,428,000,000 µs 47,335,000,000,000,000 ns
19 mo 0.015833 0.158333 1.583333 yr 82.614375 wk 578.300625 day 13,879 hr 832,753 min 49,965,174 sec 49,965,174,000 ms 49,965,174,000,000 µs 49,965,000,000,000,000 ns
20 mo 0.016667 0.166667 1.666667 yr 86.9625 wk 608.7375 day 14,610 hr 876,582 min 52,594,920 sec 52,594,920,000 ms 52,594,920,000,000 µs 52,595,000,000,000,000 ns