radixflip

What is 24 in binary?

24₁₀ converted to binary is 11000₂. The complete working for this exact number is below — or type a different number into the decimal to binary converter and watch it happen live.

24₁₀ = 11000₂

Try it yourself — instant converter

Only 0–9. Type here — the answer appears instantly, no button to press.
Type a number in any box above.

How to convert 24 to binary, step by step

Keep dividing 24 by 2 and writing down each remainder. The remainders, read in reverse, are the answer.

Number÷ 2QuotientRemainder
242120
12260
6230
3211
1201

Reading the remainder column from the bottom up gives 11000, so 24₁₀ = 11000₂. Check it back: 16 + 8 = 24 — the 1 bits add up to 24.

In short: 24 ÷ 2 = 12 r 0 → 12 ÷ 2 = 6 r 0 → 6 ÷ 2 = 3 r 0 → 3 ÷ 2 = 1 r 1 → 1 ÷ 2 = 0 r 1 → read bottom-up: 11000₂

Frequently asked questions

How do you write 24 in binary?

Divide 24 by 2 over and over, noting each remainder: 24 ÷ 2 = 12 r0, 12 ÷ 2 = 6 r0, 6 ÷ 2 = 3 r0, 3 ÷ 2 = 1 r1, 1 ÷ 2 = 0 r1. Reading the remainders from last to first gives 11000, so 24₁₀ = 11000₂.

How long is 24 in binary?

24 in binary is 11000, which is 5 bits long. It ends in 0 because 24 is even — the last bit of any binary number tells you odd (1) or even (0).

Keep converting

Popular values