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Calculators

Fast utilities that keep your input in this browser.

Calculate percentages, percentage changes, and values from a percentage.

Convert common length, mass, temperature, volume, and data units.

Estimate monthly payments and total interest for a fixed-rate loan.

Compute simple or compound interest on a principal over time.

Simplify width and height to an aspect ratio and scale dimensions proportionally.

Convert a file size between decimal (SI) and binary (IEC) units instantly.

Convert between world currencies using live daily exchange rates.

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