This page lists the first 100 digits of pi (π). Pi is the ratio of a circle’s circumference to its diameter — an irrational number that never ends or repeats. It begins 3.14159…
3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679
About pi
Pi (π ≈ 3.14159) appears in any formula involving circles and spheres — circumference (2πr), area (πr²) and volume. The digits shown are the first 100 after the decimal point.