Fast, free calculators and tools for everyday problems.
Start with some of the most useful calculators and everyday tools people reach for most often.
finance
Estimate recurring loan payments for a fixed amount, rate, and term.
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Handle common percentage calculations quickly for discounts, changes, and comparisons.
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Find the elapsed time between two clock times for scheduling, work-hour, and overnight use cases.
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Convert quickly between Celsius, Fahrenheit, and Kelvin.
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Count words, characters, and basic text metrics instantly.
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Estimate paint needed for walls and rooms based on coverage and dimensions.
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