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IntCal

Radiocarbon Calibration Curves

v0.3.1 · Jul 11, 2022 · GPL (>= 2)

Description

The IntCal20 radiocarbon calibration curves (Reimer et al. 2020 <doi:10.1017/RDC.2020.68>) are provided here in a single data package, together with previous IntCal curves (IntCal13, IntCal09, IntCal04, IntCal98) and postbomb curves. Also provided are functions to copy the curves into memory, and to plot the curves and their underlying data, as well as functions to calibrate radiocarbon dates.

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r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Version History

new 0.3.1 Mar 10, 2026
updated 0.3.1 ← 0.3.0 diff Jul 10, 2022
updated 0.3.0 ← 0.2.3 diff Nov 25, 2021
updated 0.2.3 ← 0.2.2 diff Oct 5, 2021
updated 0.2.2 ← 0.2.1 diff Jul 27, 2021
updated 0.2.1 ← 0.2.0 diff Jul 18, 2021
updated 0.2.0 ← 0.1.3 diff Jul 3, 2021
new 0.1.3 Sep 24, 2020