Fast, free online calculators & converters

Simple tools for everyday questions—no logins, no clutter, just answers.

Age calculator

Find your exact age in years, months, and days.

Calculate days between two dates.

Count words and characters in your text.

Estimate your monthly home loan payment.

See how long it takes to pay off a loan.

Check your body mass index from height and weight.

Create strong, random passwords.

Convert between cm/ft and kg/lbs.

Estimate monthly reserves for rental property expenses.