Radiocarbon age to calendar age conversion

As described in: "Marine Radiocarbon Calibration Curve Spanning 0 to 50,000 Years B.P. Based on Paired ²³⁰Th/²³⁴U/²³⁸U and ¹⁴C Dates on Pristine Corals", by Richard G. Fairbanks, Richard A. Mortlock, Tzu-Chien Chiu, Li Cao, Alexey Kaplan, Thomas P. Guilderson, Todd W. Fairbanks and Arthur L. Bloom, 2005. Quaternary Science Reviews, 24, 1781-1796. [PDF]

- View the entire 'Fairbanks0107' calibration curve with the option to zoom in on areas of interest.
- Data table used in "Version Fairbanks0805" available here as a PDF.

For sample results, click 'Compute' in Method I or II

---

Method I: enter reservoir-corrected 14C age and error Radiocarbon age years BP Standard deviation years BP   Method II: copy/paste reservoir-corrected 14C age and error columns from Excel/Word/Gnumeric: 14800 70 20500 70

Results In tabular form:   Radiocarbon age     Calendar age     Calibration version  mean 1 std dev mean 1 std dev