Menu

Convert between time units instantly. Our free online time converter supports seconds, minutes, hours, days, weeks, months, and years with precise, real-time results.

时间 Converter

免费时间转换器, 即时换算秒、分钟、小时、天、周和毫秒

使用 OmniConverter 免费时间转换器即时换算任何时间长度。1 小时等于 3,600 秒,1 天等于 24 小时,1 周等于 7 天。支持秒、分钟、小时、天、周、月、年和毫秒。无论你是计算项目时间线还是想算出一年有多少秒(31,536,000),都能获得快速准确的结果。

使用方法

通过三个简单步骤进行转换。

1

输入时间长度

2

选择源时间单位与目标单位

3

获取转换后的时间长度

常用基准

参考

1 ss

1 s

参考

1 sms

1000 ms

参考

1 smin

0.0166666667 min

参考

1 sh

0.0002777778 h

参考

1 sd

0.0000115741 d

参考

1 swk

0.0000016534 wk

参考

1 smo

3.802571e-7 mo

参考

1 syr

3.168809e-8 yr

实际应用场景

中国标准工作制是每天8小时、每周40小时,但互联网公司的「996」(早9点到晚9点,每周6天)也是常见的讨论话题。高铁改变了中国人的时间观:北京到上海4小时18分,北京到天津30分钟, 「半小时生活圈」已成为常用说法。一个项目工期常用「人天」计算。健身时跑步机上显示的时间以分钟计,但跑步配速用分钟/公里表示。房贷期限通常为20或30年,月供按360期计算。软件开发中,Redis缓存的TTL用秒设置,API超时用毫秒。手机屏幕使用时间显示以分钟和小时为单位。中国移动的套餐通话时长以分钟计。学术论文的实验时间以天或小时为单位。保质期计算中,零食6个月、化妆品3年是常见的期限。电影时长以分钟表示。

Embed this converter on your site

Free, responsive, no sign-up required. Just paste a snippet.

Get Embed Code

常见问题

常见换算问题的快速解答

一天有多少秒?+

一天有86,400秒。中国标准工作日为8小时(28,800秒)。

如何将小时换算成分钟?+

小时乘以60即可得到分钟。

中国的标准工作制是怎样的?+

中国标准工作制为每天8小时、每周40小时(周六日休息)。

如何将月份换算成天数?+

转换器按每月平均30.44天计算。

什么是闰年?+

闰年有366天(比平年多一天2月29日),每4年一次。

如何将毫秒换算成秒?+

毫秒除以1,000即可得到秒。

如何将年换算成月?+

年乘以12即可得到月。

Latest Blog Posts

Tips, guides, and insights about unit conversions

Quick Answer: 时间 Converter

Convert 时间 instantly — enter any value and get all units at once. Common time conversions include hours to minutes (1 hr = 60 min), days to hours (1 day = 24 hr), and weeks to days (1 wk = 7 days). Time conversion is essential for project planning, scheduling, travel, sports timing, and scientific calculations.

How the 时间 Converter Works

Our time converter converts between seconds, minutes, hours, days, weeks, months, and years using standard time conversion factors. Results are calculated instantly.

Formula & Sources

SI second defined by cesium-133 (BIPM). Calendar conversions use Gregorian mean year 365.2425 days.

Worked Example

Example: 3 days to hours — 3 × 24 = 72 h. 90 minutes = 1.5 hours = 5400 seconds.

Common 时间 Conversions

Common time conversions include hours to minutes (1 hr = 60 min), days to hours (1 day = 24 hr), and weeks to days (1 wk = 7 days).

When to Use 时间 Conversion

Time conversion is essential for project planning, scheduling, travel, sports timing, and scientific calculations.

Accuracy & Common Mistakes

All factors are stored unrounded and computed in double precision. We avoid cumulative rounding by converting via a base unit. Always verify critical results with a second source for safety-critical tasks.

Frequently Asked Questions

How many seconds in a day?

86,400 seconds (24 × 60 × 60). Excluding leap seconds.

How many days in a year?

365 days common, 365.2425 mean Gregorian year. Use for long-range planning.

How many weeks in a year?

52 weeks + 1 day (common) or +2 in leap year.

Popular Time comparisons

Jump directly to a side-by-side comparison — no typing needed. Also discoverable via search.

View all comparisons

Related Converters

People Also Ask