Binary and Decimal Converter
Binary positional notation uses powers of two. BigInt preserves integer precision.
Inputs and units
- Direction: Choose Binary to decimal, Decimal to binary.
- Nonnegative integer: Enter your value in the format and unit shown.
Calculation method
Binary positional notation uses powers of two. BigInt preserves integer precision.
Worked example
The example values are: Direction = binary; Nonnegative integer = 101010
- Result: 42
Assumptions and limitations
Nonnegative integers only; decimal fractions and signed two’s-complement encodings are not supported.
Using your result
Select Calculate after changing inputs. Copy result copies the displayed output; Download result saves a text file. Reset returns the form to its example inputs. Calculations run in your browser.
Binary and Decimal Converter FAQs
What method does this calculator use?
Binary positional notation uses powers of two. BigInt preserves integer precision.
What should I check before using the result?
Nonnegative integers only; decimal fractions and signed two’s-complement encodings are not supported.