What is century (100 yr)?

A century is a unit of time equal to 100 years. It is used in historical analysis, long-term demographic and climate projections, and describing spans of civilizational or geological time.

What is hour?

An hour is a unit of time equal to 60 minutes. It is the standard unit for time-of-day references, work schedules, travel durations, and billing periods across most global contexts.

Worked examples

1 century (100 yr) = 876,000 hour

1 hour = 3,600 second