Use our Battery Life Calculator to easily estimate how long your battery will last—in hours, weeks, months, or even years. Enter your capacity and usage to get instant results!

Average Calculator - Easily calculate mean, median, range, and more. Enter numbers separated by commas to get instant results with this free online tool.

Try our free Modulo Calculator to easily find the remainder of any division. Just enter dividend and divisor values to calculate A % B instantly. Simple, fast, and reliable!

Use our free Percentage Calculator to find percent of a number, percentage change, and more. Quick, accurate, and easy-to-use tool for all your math needs!