Question 1

What number systems does this tool support?

Accepted Answer

The tool supports the four most common number systems: binary (base 2, digits 0-1), octal (base 8, digits 0-7), decimal (base 10, digits 0-9), and hexadecimal (base 16, digits 0-9 and A-F). You can enter numbers using the standard prefixes: 0b for binary, 0o for octal, and 0x for hex.

Question 2

Why is hexadecimal used in programming?

Accepted Answer

Hexadecimal is compact (4 bits = 1 hex digit) and human-readable. It is widely used for memory addresses, color codes (e.g. #FF5733), Unicode code points, error codes, and byte-level data representation. One byte fits in exactly two hex digits (00 to FF).

Question 3

What are common uses of binary in computing?

Accepted Answer

Binary is the foundational number system of computers since all digital circuits operate at two voltage levels (0 and 1). It is used in bit manipulation, flags, masks, network subnet calculations, and whenever precise bit-level control is needed.

Question 4

How do I read the highlighted row in the range table?

Accepted Answer

The range table (0-15) highlights the row matching your input number. This makes it easy to see the binary, octal, and hexadecimal equivalents of single-digit hex values (0 through F), which are the building blocks of larger hexadecimal numbers.

Question 5

What is the maximum number this tool can convert?

Accepted Answer

The tool handles integers up to 2^53, which is the maximum safe integer in JavaScript (Number.MAX_SAFE_INTEGER = 9,007,199,254,740,991). For numbers beyond this range, consider using BigInt-capable tools or specialized calculators.

Decimal (Base 10)	Binary (Base 2)	Octal (Base 8)	Hexadecimal (Base 16)
0	0000	0	0
1	0001	1	1
2	0010	2	2
3	0011	3	3
4	0100	4	4
5	0101	5	5
6	0110	6	6
7	0111	7	7
8	1000	10	8
9	1001	11	9
10	1010	12	A
11	1011	13	B
12	1100	14	C
13	1101	15	D
14	1110	16	E
15	1111	17	F

Base Conversion Table

Bit Information

Range Table (0–15)

Frequently Asked Questions

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