Bases 2–36 · exact integers

Decimal 10 in bases 2, 8, 10, 16 and 36

Ten is 1010₂ and 12₈. Bases 16 and 36 represent the same value with their first letter digit, A.

Live conversion

Integer base converter

Runs in this browser

Up to 4096 ASCII characters; optional leading minus sign.

Enter a whole base from 2 through 36.

Quick base pairs

Switch the source and target while preserving the current valid integer.

Integer notation only: no fractions, exponents, 0x/0b prefixes, separators, whitespace, text encoding, IEEE-754 interpretation, or symbolic expressions.

Exact result

Base 10 to base 2

1010
Canonical source
10
Source digits
2

The same integer in common bases

Base 21010
Base 812
Base 1010
Base 16A
Base 36A

Value catalog

Common decimal values across five bases

Open a finite, indexable reference page for each curated decimal anchor. Calculator state itself never enters the URL.