---
title: "Centuries to Years — century to yr converter"
description: "1 century = 100 years. Convert centuries to years with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/centuries-to-years/
site: "At One Place"
---

# Centuries to years

**1 century in years: 1 century = 100 yr**

yr = century × 100

To convert centuries to years, multiply by 100. The table below gives the values people look up most often, and the converter works for any number.

## Centuries to years table

*Common century values converted to years.*

| Centuries | Years |
| --- | --- |
| 1 century | 100 |
| 2 century | 200 |
| 3 century | 300 |
| 4 century | 400 |
| 5 century | 500 |
| 10 century | 1,000 |
| 15 century | 1,500 |
| 20 century | 2,000 |
| 25 century | 2,500 |
| 30 century | 3,000 |
| 40 century | 4,000 |
| 50 century | 5,000 |
| 75 century | 7,500 |
| 100 century | 10,000 |
| 250 century | 25,000 |
| 500 century | 50,000 |
| 1,000 century | 100,000 |

## How the conversion works

The relationship is yr = century × 100. Both units measure time, so the conversion is a fixed factor that never changes.

> Year: Mean Gregorian year, 365.2425 days.

## Common questions

### How many years are in one century?

One century equals 100 years. yr = century × 100.

### How do you convert centuries to years?

Use yr = century × 100. So 10 century is 1,000 yr.

### How many centuries are in one year?

One year equals 0.01 centuries, which is the reverse of the conversion above.

### Is there more than one kind of year?

Mean Gregorian year, 365.2425 days.

## Related pages

- [Years to Centuries](https://atoneplace.net/convert/years-to-centuries/)
- [Centuries to Seconds](https://atoneplace.net/convert/centuries-to-seconds/)
- [Centuries to Milliseconds](https://atoneplace.net/convert/centuries-to-milliseconds/)
- [Centuries to Minutes](https://atoneplace.net/convert/centuries-to-minutes/)
- [Centuries to Hours](https://atoneplace.net/convert/centuries-to-hours/)
- [Centuries to Days](https://atoneplace.net/convert/centuries-to-days/)
- [Centuries to Weeks](https://atoneplace.net/convert/centuries-to-weeks/)
- [Centuries to Months](https://atoneplace.net/convert/centuries-to-months/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)