Solve everyday math, time, and date problems instantly with our suite of free online calculators.
Calculate your exact age in years, months, and days from your DOB.
Advanced math functions including Sin, Cos, Tan, Log, and Powers.
Round numbers to specific decimal places or nearest integers.
Calculate percentages, percentage increase/decrease, and fractions.
Find the exact number of days, weeks, or months between two dates.
Add multiple time durations together (e.g., 5h 30m + 2h 45m).
Convert between seconds, minutes, hours, days, and weeks.
Convert decimal hours (e.g., 4.5) to hours and minutes (4:30).
Whether you are a student solving homework, a professional managing deadlines, or just curious about exactly how old you are, Toolvala's General Calculators are here to help. In 2026, you shouldn't need a physical calculator or complex spreadsheet formulas for everyday tasks.
Our tools are designed to be:
From complex scientific equations to simple time additions for your work timesheet, we cover all the basics.