絶対値計算機

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はじめに

Absolute Value Calculator — Find the absolute value and sign of a number. Enter Number to get an instant, accurate result.

計算式

|n| = n if n ≥ 0, or −n if n < 0. The sign is also reported as −1, 0, or 1.

ステップごとの説明

1. Enter the Number.
2. Click Calculate to see your result instantly.

実例

Example: With Number = -5, the Absolute Value Calculator gives Absolute Value: 5, Sign: -1.

よくある質問

Can absolute value be negative?

No, absolute value is always zero or positive by definition.

What does "sign" mean in the result?

It's −1 for a negative input, 1 for a positive input, and 0 if the input is exactly 0.

What inputs does the Absolute Value Calculator need?

You'll need to provide: Number. 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 Absolute Value Calculator?

The Absolute Value Calculator applies the formula exactly as calculated — |n| = n if n ≥ 0, or −n if n < 0. The sign is also reported as −1, 0, or 1. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Absolute Value Calculator free to use?

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

絶対値計算機について

The Absolute Value Calculator uses a real, verifiable formula — |n| = n if n ≥ 0, or −n if n < 0. The sign is also reported as −1, 0, or 1. — so results are accurate every time, not an approximation.