Hours to Years (h → yr) — Free Online Converter

h → yr Reference Table

h	yr
0.001 h	1.140771161e-7 yr
0.002 h	2.281542323e-7 yr
0.003 h	3.422313484e-7 yr
0.004 h	4.563084645e-7 yr
0.005 h	5.703855807e-7 yr
0.006 h	6.844626968e-7 yr
0.007 h	7.985398129e-7 yr
0.008 h	9.12616929e-7 yr
0.009 h	0.000001026694045 yr
0.01 h	0.000001140771161 yr
0.02 h	0.000002281542323 yr
0.03 h	0.000003422313484 yr
0.04 h	0.000004563084645 yr
0.05 h	0.000005703855807 yr
0.06 h	0.000006844626968 yr
0.07 h	0.000007985398129 yr
0.08 h	0.00000912616929 yr
0.09 h	0.00001026694045 yr
0.1 h	0.00001140771161 yr
0.2 h	0.00002281542323 yr
0.3 h	0.00003422313484 yr
0.4 h	0.00004563084645 yr
0.5 h	0.00005703855807 yr
0.6 h	0.00006844626968 yr
0.7 h	0.00007985398129 yr
0.8 h	0.0000912616929 yr
0.9 h	0.0001026694045 yr
1 h	0.0001140771161 yr
1.5 h	0.0001711156742 yr
2 h	0.0002281542323 yr
2.5 h	0.0002851927903 yr
3 h	0.0003422313484 yr
3.5 h	0.0003992699065 yr
4 h	0.0004563084645 yr
4.5 h	0.0005133470226 yr
5 h	0.0005703855807 yr
5.5 h	0.0006274241387 yr
6 h	0.0006844626968 yr
6.5 h	0.0007415012548 yr
7 h	0.0007985398129 yr
7.5 h	0.000855578371 yr
8 h	0.000912616929 yr
8.5 h	0.0009696554871 yr
9 h	0.001026694045 yr
9.5 h	0.001083732603 yr
10 h	0.001140771161 yr
11 h	0.001254848277 yr
12 h	0.001368925394 yr
13 h	0.00148300251 yr
14 h	0.001597079626 yr
15 h	0.001711156742 yr
16 h	0.001825233858 yr
17 h	0.001939310974 yr
18 h	0.00205338809 yr
19 h	0.002167465206 yr
20 h	0.002281542323 yr
25 h	0.002851927903 yr
30 h	0.003422313484 yr
35 h	0.003992699065 yr
40 h	0.004563084645 yr
45 h	0.005133470226 yr
50 h	0.005703855807 yr
55 h	0.006274241387 yr
60 h	0.006844626968 yr
65 h	0.007415012548 yr
70 h	0.007985398129 yr
75 h	0.00855578371 yr
80 h	0.00912616929 yr
85 h	0.009696554871 yr
90 h	0.01026694045 yr
95 h	0.01083732603 yr
100 h	0.01140771161 yr
120 h	0.01368925394 yr
125 h	0.01425963952 yr
130 h	0.0148300251 yr
140 h	0.01597079626 yr
150 h	0.01711156742 yr
160 h	0.01825233858 yr
175 h	0.01996349532 yr
180 h	0.0205338809 yr
200 h	0.02281542323 yr
225 h	0.02566735113 yr
250 h	0.02851927903 yr
275 h	0.03137120694 yr
300 h	0.03422313484 yr
350 h	0.03992699065 yr
400 h	0.04563084645 yr
450 h	0.05133470226 yr
500 h	0.05703855807 yr
600 h	0.06844626968 yr
700 h	0.07985398129 yr
750 h	0.0855578371 yr
800 h	0.0912616929 yr
900 h	0.1026694045 yr
1000 h	0.1140771161 yr
1200 h	0.1368925394 yr
1250 h	0.1425963952 yr
1500 h	0.1711156742 yr
1750 h	0.1996349532 yr
2000 h	0.2281542323 yr
2500 h	0.2851927903 yr
3000 h	0.3422313484 yr
4000 h	0.4563084645 yr
4500 h	0.5133470226 yr
5000 h	0.5703855807 yr
6000 h	0.6844626968 yr
7000 h	0.7985398129 yr
7500 h	0.855578371 yr
8000 h	0.912616929 yr
9000 h	1.026694045 yr
10000 h	1.140771161 yr
15000 h	1.711156742 yr
20000 h	2.281542323 yr
25000 h	2.851927903 yr
50000 h	5.703855807 yr
75000 h	8.55578371 yr
100000 h	11.40771161 yr

Why Convert Hours to Years?

Converting between hours (h) and years (yr) is one of the most common time conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert h to yr saves time and prevents errors.

Time conversion between h and yr is essential for project management, astronomy, and high-speed electronics. While day-to-day scheduling is simple, scientific and engineering fields often require converting between vast timescales (millennia) and infinitesimal ones (nanoseconds). Video editors and audio engineers work with frames and samples that require precise time unit conversions to sync media perfectly. In logistics, accurate delivery estimates depend on converting travel durations across time zones and varying speed metrics. Miscalculating time units can lead to missed deadlines, data desynchronization, or navigation errors in GPS systems.

How to Convert Hours to Years

To convert hours to years, use the following formula:

yr = h × 0.0001140771161

Example: 1 h = 0.0001140771161 yr

For example, 5 h = 0.0005703855807 yr, 10 h = 0.001140771161 yr, and 100 h = 0.01140771161 yr. For larger values, 1000 h = 0.1140771161 yr. Conversely, 1 yr = 8766 h. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

Decimal time: thinking 1.50 hours is 1 hour 50 minutes (it's 1 hour 30 minutes).
Leap years: assuming every year has 365 days.
Month length: assuming all months are 30 days.

Pro Tips

Excel format: Be careful converting time in Excel; it stores dates as serial numbers.
Time zones: Always specify UTC offset when scheduling international calls.
Seconds in day: There are 86,400 seconds in a standard day.

What is a Hour?

The hour (h) is a unit of time equal to 60 minutes or 3,600 seconds. Historically defined as 1/24 of a day.

Hours are the standard unit for work shifts, travel duration, and daily scheduling worldwide.

What is a Year?

A unit of time based on Earth's orbital period around the Sun.

Used for age, long durations, and calendars.

Frequently Asked Questions

How many years are in 1 hour?

1 h equals 0.0001140771161 yr.

How do I convert hours to years?

Multiply the value in h by the conversion factor. For example, 10 h = 0.001140771161 yr. Use our calculator above for instant results.

Is the hours to years conversion exact?

This conversion uses NIST SP 811 factors with 10-digit precision, which is more than sufficient for all practical purposes.

Can I convert hours to years offline?

Yes! OmniConvert runs entirely in your browser — no internet connection needed after the page loads. Your data never leaves your device, ensuring complete privacy.

What is the difference between hours and years?

Hours (h) and Years (yr) are both units of time but belong to different measurement systems. 1 h = 0.0001140771161 yr. Use the converter above to switch between them instantly.

Hours → Years