進数変換計算機

共有リンク

はじめに

Number Base Calculator — Convert numbers between different number bases. Enter Number, From base, To base to get an instant, accurate result.

計算式

Converts a number between any two bases from 2 to 36 by first parsing it in the source base to a decimal integer, then re-expressing that decimal value in the target base.

ステップごとの説明

Enter the Number.
Enter the From base.
Enter the To base.
Click Calculate to see your result instantly.

実例

Example: With Number = FF, From base = 16, To base = 10, the Number Base Calculator gives Decimal: 255, Converted: 255.

よくある質問

What bases are supported?

Any base from 2 (binary) to 36, which uses digits 0–9 and letters A–Z.

Is the output case-sensitive?

Letter digits in the result are shown in uppercase.

What inputs does the Number Base Calculator need?

You'll need to provide: Number, From base, To base. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.

How accurate is the Number Base Calculator?

The Number Base Calculator applies the formula exactly as calculated — Converts a number between any two bases from 2 to 36 by first parsing it in the source base to a decimal integer, then re-expressing that decimal value in the target base. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Number Base Calculator free to use?

Yes, the Number Base Calculator is completely free, requires no signup, and runs instantly in your browser.