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Babylonian Numeral Converter

Write numbers in the Babylonian base sixty system and read sexagesimal digits back into decimal.

Convert Babylonian numerals

Numeral: —
Sexagesimal: —
Read back: —
A corner wedge is ten and a vertical wedge is one. Places are powers of sixty, and an empty place is shown as a small circle.

How to use the Babylonian Numeral Converter

  1. Type a decimal number to see its sexagesimal place digits.
  2. Read the table to count the corner and vertical wedges in each place.
  3. Type sexagesimal digits from the top place down to get the decimal value.

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Frequently Asked Questions

Common questions about the free online babylonian numeral converter.

Type the decimal number and the sexagesimal wedges appear at once, along with the digit held by each place.
It is a base sixty place value system, so every place is sixty times the value of the place to its right.
A corner wedge stands for ten and a narrow vertical wedge stands for one, so a digit is built by repeating both shapes.
The Babylonians divided the hour into sixty minutes and the circle into three hundred and sixty degrees, and both are still in use.
Later Babylonian scribes used a placeholder sign for an empty place, which the tool shows as a small circle.
Type the digits from the top place down, separated by commas, and the tool multiplies each one by its power of sixty.
Whole numbers from zero up to four sexagesimal places, which reaches just under thirteen million.
Yes. It is completely free, needs no account and runs entirely inside your browser.

Last updated: October 10, 2026