Free Online Calculators for Finance, Math & More

Free online calculators for finance, math, conversions, health, and time calculations. Instant results with no signup required!

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The most widely used calculators and tools this month.

Age Calculator

Determine exact age in years, months, and days from any date of birth.

BMI Calculator

Check your body mass index and find your healthy weight range based on WHO standards.

Percentage Calculator

Quickly solve common percentage problems like growth or reduction rates.

Discount Calculator

Find the final price of items after discounts and calculate savings.

Money Calculator

Manage daily finances and budget effectively with this simple tool.

Pregnancy Due Date

Estimate your baby's arrival date based on your last menstrual period.

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