Uzi Tools - Free Online Calculators and Utilities
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5 Tools Available

Free Education & Everyday Calculators

Free online tools: age on planets, days alive, clothing size conversion, grade/GPA, reading speed, tip and bill split. No signup, all in your browser.

Age on Planets / Days Alive Calculator

See your age in days and your age on Mercury, Venus, Mars, and other planets.

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Clothing Size Conversion Calculator

Convert between US, UK, and EU clothing and shoe sizes to find your perfect fit.

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Grade / GPA Calculator

Calculate your GPA from letter grades and credits, or find the grade you need for a target GPA.

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Reading / Typing Speed Calculator

Calculate your words per minute (WPM) for reading or typing, or estimate the time needed for a given text.

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Tip & Bill Split Calculator

Calculate tip percentage, total bill amount, and split the cost per person for any restaurant meal.

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Frequently Asked Questions