How Many? A Dictionary of Units of Measurement
© Russ Rowlett and the University of North Carolina at Chapel Hill

Table of Contents
About the Dictionary
Using the Dictionary

Radiocarbon Year Conversion

Source: This table was posted by the Memphis Archaeological and Geological Society. However, the data comes from Archaeology's Dating Game, a sidebar in the article Who Were the First Americans, by Sasha Nemecek, published by Scientific American in September 2000.

Age in Radiocarbon years

Age in Calendar years

9 600

11 000

10 200

12 000

11 000

13 000

12 000

14 000

12 700

15 000

13 300

16 000

14 200

17 000

15 000

18 000

15 900

19 000

16 800

20 000

17 600

21 000

18 500

22 000

19 300

23 000

20 000

24 000

 

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You are welcome to email the author (rowlett@email.unc.edu) with comments and suggestions.

All material in this folder is copyright © 2001 by Russ Rowlett and the University of North Carolina at Chapel Hill. Permission is granted for personal use and for use by individual teachers in conducting their own classes. All other rights reserved. You are welcome to make links to this page, but please do not copy the contents of any page in this folder to another site. The material at this site will be updated from time to time.

October 4, 2001