Year (yr)
An average Gregorian year (365.2425 days).
Result
1 year = 31,556,952,000 milliseconds
Year at a glance
| Unit name | Year (plural: years) |
|---|---|
| Symbol | yr |
| Quantity measured | Time |
| Measurement system | Metric |
| Also known as | yr, years, annum |
| Definition exact? | No — factor is rounded |
1 year in other time units
| Unit | 1 yr equals |
|---|---|
| Nanosecond | 3.1556952 × 10¹⁶ ns |
| Microsecond | 31,556,952,000,000 µs |
| Millisecond | 31,556,952,000 ms |
| Second | 31,556,952 s |
| Minute | 525,949.2 min |
| Hour | 8,765.82 h |
| Day | 365.2425 d |
| Week | 52.1775 wk |
| Month | 12 mo |
| Decade | 0.1 dec |
| Century | 0.01 c |
| Millennium | 0.001 ky |
| Fortnight | 26.08875 fn |
Popular year conversions
Frequently asked questions
- What is a year?
- An average Gregorian year (365.2425 days).
- What is the symbol for the year?
- The symbol for the year is yr. It measures time.
- How many milliseconds are in a year?
- 1 year = 31,556,952,000 milliseconds.
- How many seconds are in a year?
- 1 year = 31,556,952 seconds.
- How many minutes are in a year?
- 1 year = 525,949.2 minutes.