Browse, search, recite and play with the first million digits of pi, entirely in your browser.
Try it Free →Virtual scrolling through all 1,000,000 decimals, grouped by ten with position numbers on every line.
Type a birthday, phone number or any digit string and see the exact position of its first — and every next — occurrence.
Type pi from memory with an on-screen keypad. One mistake ends the round, and your personal best is saved locally.
See 20 digits, guess what comes next. Eight seconds per question, three lives, streak bonus.
See how often each digit 0–9 appears in the first million decimals — a hands-on look at pi's apparent randomness.
The digits are a static file loaded once. Nothing you type is uploaded, and the tool works offline after the first load.
The first million digits of pi load in a second and stay cached for the rest of your visit.
Browse to read pi, Find to search for a number, Recite to test your memory, or Next Digit to play.
Enter any digit string, or tap the birthday button and pick a date, to see where it appears inside pi.
Recite as many digits as you can, submit your score to the global leaderboard and try to beat it.