Number Base Converter
Convert between number bases
rate：1 OCT = 1 DEC
Results in all units
120 OCT| Unit | Symbol | Value |
|---|---|---|
| Common bases | ||
| Binary | BIN | 1010000 |
| Octal | OCT | 120 |
| Decimal | DEC | 80 |
| Hexadecimal | HEX | 50 |
| Base32 | B32 | 2G |
About Number Base Conversion
120 Octal equals 80 Decimal. The conversion rate is 1 OCT = 1 DEC. You can switch to any other unit of this category above and see the result instantly.
This converter supports 5 units in total, including Binary, Octal, Decimal, Hexadecimal, and covers metric, imperial and Chinese traditional systems.
Used in programming, digital electronics and computer science.
All values follow internationally accepted definitions and are rounded to the decimals you choose. The calculation runs entirely in your browser, so nothing is uploaded or stored on a server.
History & Background
Positional numeral systems date back to ancient Babylon; binary was formalized by Leibniz.
Conversion Details
Number base conversion converts a number between binary, octal, decimal, hexadecimal and base32.
Common conversions: 1010 (BIN) = 10 (DEC) = A (HEX).
Large numbers beyond 2^53 may lose precision.