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Years Conversion

Calendars document the days in a month

The year 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 years.

Year Conversion Calculators

Choose a unit of time to convert to.

Year Definition and Usage

One year is the time it takes for the Earth to complete its orbit around the Sun. There are 365 days in a year, with the exception of the leap year when there are 366.

Years can be abbreviated as yr, and are also sometimes abbreviated as y. For example, 1 year can be written as 1 yr or 1 y.

Years Measurement Conversion Table

Years and the equivalent time durations
years centuries decades months weeks days hours minutes seconds milliseconds microseconds nanoseconds
1 yr 0.01 0.1 12 mo 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
2 yr 0.02 0.2 24 mo 104.355 wk 730.485 day 17,532 hr 1,051,898 min 63,113,904 sec 63,113,904,000 ms 63,113,904,000,000 µs 63,114,000,000,000,000 ns
3 yr 0.03 0.3 36 mo 156.5325 wk 1,096 day 26,297 hr 1,577,848 min 94,670,856 sec 94,670,856,000 ms 94,670,856,000,000 µs 94,671,000,000,000,000 ns
4 yr 0.04 0.4 48 mo 208.71 wk 1,461 day 35,063 hr 2,103,797 min 126,227,808 sec 126,227,808,000 ms 126,230,000,000,000 µs 126,230,000,000,000,000 ns
5 yr 0.05 0.5 60 mo 260.8875 wk 1,826 day 43,829 hr 2,629,746 min 157,784,760 sec 157,784,760,000 ms 157,780,000,000,000 µs 157,780,000,000,000,000 ns
6 yr 0.06 0.6 72 mo 313.065 wk 2,191 day 52,595 hr 3,155,695 min 189,341,712 sec 189,341,712,000 ms 189,340,000,000,000 µs 189,340,000,000,000,000 ns
7 yr 0.07 0.7 84 mo 365.2425 wk 2,557 day 61,361 hr 3,681,644 min 220,898,664 sec 220,898,664,000 ms 220,900,000,000,000 µs 220,900,000,000,000,000 ns
8 yr 0.08 0.8 96 mo 417.42 wk 2,922 day 70,127 hr 4,207,594 min 252,455,616 sec 252,455,616,000 ms 252,460,000,000,000 µs 252,460,000,000,000,000 ns
9 yr 0.09 0.9 108 mo 469.5975 wk 3,287 day 78,892 hr 4,733,543 min 284,012,568 sec 284,012,568,000 ms 284,010,000,000,000 µs 284,010,000,000,000,000 ns
10 yr 0.1 1 120 mo 521.775 wk 3,652 day 87,658 hr 5,259,492 min 315,569,520 sec 315,569,520,000 ms 315,570,000,000,000 µs 315,570,000,000,000,000 ns
11 yr 0.11 1.1 132 mo 573.9525 wk 4,018 day 96,424 hr 5,785,441 min 347,126,472 sec 347,126,472,000 ms 347,130,000,000,000 µs 347,130,000,000,000,000 ns
12 yr 0.12 1.2 144 mo 626.13 wk 4,383 day 105,190 hr 6,311,390 min 378,683,424 sec 378,683,424,000 ms 378,680,000,000,000 µs 378,680,000,000,000,000 ns
13 yr 0.13 1.3 156 mo 678.3075 wk 4,748 day 113,956 hr 6,837,340 min 410,240,376 sec 410,240,376,000 ms 410,240,000,000,000 µs 410,240,000,000,000,000 ns
14 yr 0.14 1.4 168 mo 730.485 wk 5,113 day 122,721 hr 7,363,289 min 441,797,328 sec 441,797,328,000 ms 441,800,000,000,000 µs 441,800,000,000,000,000 ns
15 yr 0.15 1.5 180 mo 782.6625 wk 5,479 day 131,487 hr 7,889,238 min 473,354,280 sec 473,354,280,000 ms 473,350,000,000,000 µs 473,350,000,000,000,000 ns
16 yr 0.16 1.6 192 mo 834.84 wk 5,844 day 140,253 hr 8,415,187 min 504,911,232 sec 504,911,232,000 ms 504,910,000,000,000 µs 504,910,000,000,000,000 ns
17 yr 0.17 1.7 204 mo 887.0175 wk 6,209 day 149,019 hr 8,941,136 min 536,468,184 sec 536,468,184,000 ms 536,470,000,000,000 µs 536,470,000,000,000,000 ns
18 yr 0.18 1.8 216 mo 939.195 wk 6,574 day 157,785 hr 9,467,086 min 568,025,136 sec 568,025,136,000 ms 568,030,000,000,000 µs 568,030,000,000,000,000 ns
19 yr 0.19 1.9 228 mo 991.3725 wk 6,940 day 166,551 hr 9,993,035 min 599,582,088 sec 599,582,088,000 ms 599,580,000,000,000 µs 599,580,000,000,000,000 ns
20 yr 0.2 2 240 mo 1,044 wk 7,305 day 175,316 hr 10,518,984 min 631,139,040 sec 631,139,040,000 ms 631,140,000,000,000 µs 631,140,000,000,000,000 ns
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