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Permille Ratios Out Of 1,000

Calculator

Apply A Permille Change To Any Number

Apply a permille rate to any starting value and see increase/decrease amount, new value, and an interactive before/after bar visual.

Formula: new value = base × (1 ± permille / 1000)

Permille Change Calculator

Apply a rate to your starting value and inspect the change with an interactive before/after visual.

Use non-negative rates. Direction controls the sign of change.

Hover or tap a bar to highlight it and inspect values.

Direction

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Rate applied

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Change amount

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Starting value

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New value

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What Your Result Means

Permille is a precision-friendly way to represent ratios out of 1,000. Use it when percent feels too coarse or when per-thousand language is standard for your topic.

FAQ

  • What does 1‰ change mean?
    A 1 permille change is 0.1% of the starting value.
  • Can I use this for decreases?
    Yes. Set direction to decrease and enter the permille rate.
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