Base-20 Mayan Numeral Calculator
Convert with explicit units, definitions and assumptions.
Formula
- Use the units shown beside each field.
- Results update automatically whenever you change an input.
- Displayed values use up to four decimal places, or scientific notation for very small or large numbers. Calculations use standard floating-point arithmetic; exact integer and fraction tools identify their own precision rules.
- Pure vigesimal positional numerals, not the modified 18×20 Long Count calendar system.
Example Calculation
- Nonnegative integer: 401
401 = 1×20² + 0×20 + 1.
Frequently asked questions
How do I use this calculator?
Enter nonnegative integer. The result updates automatically. Use Reset to restore the example values.
What method does it use?
Express the number in pure base 20; each digit has bars for fives and dots for ones.. Pure vigesimal positional numerals, not the modified 18×20 Long Count calendar system.
Why might a rounded result differ?
The calculation keeps full numeric precision internally, then rounds the displayed result. Rounding intermediate steps by hand can produce a slightly different answer.
Are my inputs saved online?
No. This calculator processes your inputs in your browser. A recently used list stores only calculator names on this device, not your entered values.
Check the assumptions and units before using this result. Read about calculation methods.