Decimal to Hex Calculator

Use our free decimal to hex converter to convert any non-negative integer to hexadecimal with the division-by-16 method, plus convert hex back to decimal with place-value expansion.

Math

Mode

Decimal Number

Hex Number

Formula

Convert decimal to hexadecimal using the division-by-16 method with full steps, or convert hex to decimal with place-value expansion. Also shows the binary equivalent for both directions.

Dec→Hex: division by 16; Hex→Dec: Σ dᵢ × 16ⁱ

Percentage: The percentage value you want to apply

Number: The original number or value

Result: The calculated result

How It Works

1Select direction: Decimal→Hex or Hex→Decimal.
2Enter the number.
3Click Calculate.

Examples

10₁₀ to hex

1.10 ÷ 16 = 0 r 10 (A)
2.Read upward: A

Result: A

FF₁₆ to decimal

1.F×16¹ + F×16⁰ = 240 + 15 = 255

Result: 255

Frequently Asked Questions

Repeatedly divide by 16, recording remainders (10=A, 11=B, etc.), read upward.

Multiply each digit by 16 raised to its position power and sum.

0-9 for values 0-9, A-F for values 10-15.

Non-negative integers only.

Related Calculators

Decimal to Binary Calculator Binary to Decimal Calculator Binary to Hex Calculator Hex to Binary Calculator Percentage Calculator Basic Calculator

CalculateMe Team

Last updated: 2026-07-15

Decimal to Hex Calculator

Formula

How It Works

Examples

10₁₀ to hex

FF₁₆ to decimal

Frequently Asked Questions

How do you convert decimal to hex?

How do you convert hex to decimal?

What digits does hex use?

Can I convert negative numbers?

Related Calculators

Decimal to Hex Calculator

Formula

How It Works

Examples

10₁₀ to hex

FF₁₆ to decimal

Frequently Asked Questions

How do you convert decimal to hex?

How do you convert hex to decimal?

What digits does hex use?

Can I convert negative numbers?

Related Calculators