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 3689 of pi?

Pi = 3.14159..., so decimal place 3689 is 7.

  • Position3689
  • Digit7
  • Context89575[7]12828
Digits around this position
PositionPrevious 5DigitNext 5
368748895757128
368888957571282
368989575712828
369095757128289
369157571282890
  • 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.

  • No messages yet — be the first to say something.