Pi Nth Digit Lookup

One position per line (1-1000000) — find out which digit stands there
Calculation Result Download CSV
Position 5 digits before + Digit + 5 digits after Result

Introduction to the tool and how to use it

Enter the positions to look up (one per line, 1 to 1000000) and click start to see which digit of π sits after the decimal point at that position, along with five digits before and after as context.

Position convention: digit 1 after the decimal point is the 1 right after the dot in 3.14.
The data is the first 1 million decimals of π pre-stored on the server, so lookups return instantly; up to 50 positions per request.

How to use

  1. Enter one position to look up per line (multiple positions separated by commas or spaces also work).
  2. Click Run.
  3. Copy or export each digit and its surrounding context.
Pi lookup

What is decimal place 12688 of pi?

Pi = 3.14159..., so decimal place 12688 is 9.

  • Position12688
  • Digit9
  • Context67116[9]41477
Digits around this position
PositionPrevious 5DigitNext 5
1268678671169414
1268786711694147
1268867116941477
1268971169414776
1269011694147764
  • Convention: the 1 right after the decimal point in 3.14 is place 1; the range is 1 to 1,000,000.
  • The data is one million decimals of pi preloaded on the server and verified digit by digit.


Message board

Suggestions and problems are both welcome, up to 250 characters.

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