Quick calculations
Enter the figures you know and the result updates straight away. Useful for quick money maths without hunting for the right formula.
A% of B
Result
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As fraction
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What % of B is A?
Percent
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Ratio A/B
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Increase B by A%
New value
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Increase amount
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Decrease B by A%
New value
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Decrease amount
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Percentage change (A → B)
Change
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Delta
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Reverse percentage
If B is the final value after a % increase/decrease, find the original.
Original
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Multiplier
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