CalPal Online


::: CalPal Online·..·.· The CalPal Online Radiocarbon Calibration.

14C-age BP: ±


How to use CalPal Online:

Enter a date above and click "Calibrate". Dates between 50.000 and 1 BP will be calibrated using the calibration curve CalPal2007_HULU. The calibration algorithm will calculate the same results as CalPal-Beyond the Ghost. Due to programming details there will be minor differences.
CalPal-Online is developed to give a quick reference. For more detailed results, graphical output and different 14C calibration methods, download and use CalPal-Beyond the Ghost. Please report bugs and send suggestions to:

This page is maintained by Uwe Danzeglocke.

quickcal2007 ver.1.6