Best Math Tools

Highly-rated free math calculators — ages, dates, percentages and more. All rated 4.0★ or higher.

4 tools · rated 4★ or higher

Math4.9
Age Calculator
Calculate exact age in years, months, days, hours, and seconds from any birth date.
Math4.8
Date Calculator
Find days between two dates, or add/subtract days, weeks, months, or years from any date.
Math4.8
Percentage Calculator
Find X% of Y, what percent X is of Y, and the percent change between two numbers — instantly.
Math4.8
Tip Calculator
Calculate tip, total, and per-person split for any restaurant bill — with quick-pick tip percentages.

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