Calculators

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Convert length, temperature, area, volume, weight, time, and speed.

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What is X% of Y, and what percent is A of B. Numbers only. Copy sits next to the result.

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Age in years, months, and days. Age on a date, find a birth date, or compare two dates.

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Body Mass Index from height and weight. Metric or US units. Healthy range and BMI Prime.

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Tip, total, and split per person. Preset percents. Copy sits on each result.

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Monthly payment from price, down payment, rate, and term. Optional tax, insurance, and HOA.

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Convert bits, bytes, kilobits, kilobytes, megabits, and megabytes. Switch 1024 (KiB) or 1000 (kB). Copy sits next to each result.

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Estimate how long a file takes to download. Pick size and speed units. Mbps is bits; MB/s is bytes. Copy sits next to the result.