IOSA Radiocarbon Calibration Service

Radiocarbon calibration, HTTP style

Radiocarbon date
The unique ID of the sample, such as P-1244, OxA-3311 or BETA-248559.
± BP
Input the conventional uncalibrated radiocarbon age Before Present and the error (to one standard deviation) in the measured uncalibrated age of this sample
Currently only CalBP works 100%.