Free to use — no account
Free unit converters and online calculators for everyday numbers — km and miles, kg and pounds, °C and °F, mortgage payments, fractions, and more. Choose a tool below, enter your value, and read the result in your browser. No signup.
Not sure where to start? Pick the group that sounds closest to what you need.
Feet, kg, °C, acres, gallons — the usual suspects
Fractions, GCF, LCD — homework-friendly
Passwords, random numbers, line counts
Mortgage, car loan, savings, IRR
BMI calculator
SWP calculator for withdrawal planning
Age, GPA, and everyday extras
We don’t try to do everything on a single page. Each converter or calculator handles one thing — feet to meters, pounds to kg, mortgage EMI, and so on. That keeps the form simple and the result easy to read. If you’re not sure which page to open, start with the popular links or the category that fits your task.
There are hundreds of unit conversion pages (length, weight, temperature, area, pressure, volume, time, and more), plus math helpers, finance calculators, and a few everyday tools like a password generator. On each page we add short examples and a small FAQ so you’re not guessing what the numbers mean.
No. Open any tool, enter your numbers, and use the result. We don’t ask for an email or card details.
We use standard factors — for example 1 inch equals 2.54 cm. For cooking or travel that’s usually plenty. For engineering, medicine, or legal work, still verify against your own spec or official tables.
The site is meant to work in a normal browser on your phone or laptop. If you use the same converter often, bookmark it — that’s usually faster than installing something.
A converter changes units (like miles to km). A calculator runs a formula (like monthly loan payment or BMI). Same site, different pages — pick whichever matches what you’re trying to figure out.