Convert Decade to Century
Convert decades to centuries by entering a value below.
How to Convert Decades to Centuries
The decade and century are both units of time. By definition, 1 century equals exactly 10 decades. This means to convert decades to centuries, you divide by 10.
Formula
Step-by-Step Example
Convert 5 decade to centuries:
We need to convert decades to centuries
Since 1 century = 10 decade, divide by 10
5 ÷ 10 = 0.5
5 decade = 0.5 century
Decade to Century Conversion Table
Quick reference table for common decade to century conversions. Click any value for detailed calculation.
| Decades (decade) | Centuries (century) |
|---|---|
| 1 decade | 0.1 century |
| 2 decade | 0.2 century |
| 5 decade | 0.5 century |
| 10 decade | 1 century |
| 15 decade | 1.5 century |
| 20 decade | 2 century |
| 25 decade | 2.5 century |
| 50 decade | 5 century |
| 100 decade | 10 century |
About These Units
Decade (decade)
A decade equals exactly 10 years or approximately 3,652.5 days. Decades mark generational shifts, historical eras, and long-term trends. Common references: "the roaring twenties," "the sixties." Census data is often analyzed by decade. Life expectancy discussions often use decades.
Century (century)
A century equals 100 years or 10 decades. Centuries organize historical periods (19th century = 1801-1900), architectural styles, and long-term climate data. The 21st century began January 1, 2001. "Turn of the century" marks the transition between centuries.
Frequently Asked Questions
How do I convert decades to centuries?
To convert decades to centuries, divide the value by 10. For example, 10 decade = 1 century.
How many centuries are in 1 decade?
1 decade equals 0.1 centuries.
What is the formula for decades to centuries?
The formula is: century = decade ÷ 10.