Education & Study100% Free Tool

Free Number Base Converter Online

Convert numbers between binary, octal, decimal, and hexadecimal. Supports 2 to 36 base conversion with step-by-step long division method explanation. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.

100% Client-Side0ms Latency
Academic Forecasting & Grading Suite
Required Score on Final Exam105.0%

How It Works

1

Enter Number

Input the number to convert in its source base.

2

Select Source Base

Choose the base of your input number (2 for binary, 16 for hex, etc.).

3

Select Target Base

Choose your desired output base.

4

View Conversion

See the converted number with step-by-step long division or positional method.

Frequently Asked Questions

Multiply each binary digit by 2 raised to its position power, summing from right to left. Example: 1011₂ = 1×2³ + 0×2² + 1×2¹ + 1×2⁰ = 8+0+2+1 = 11₁₀.

Related Education & Study Calculators & Utilities

Interlinked precision tools in the Education & Study collection.

View all Education & Study →