100% free · No sign-up
Free Online Calculators & Tools for Everyday Life
Work out a percentage, a grade, your age or a discount in seconds, with the working shown. Convert images, documents and text right in your browser.
- 100% FreeNo charges, no limits
- Working ShownEvery step under the result
- Works on All DevicesPhone, tablet and desktop
- Private by DesignRuns in your browser
All Calculators (57)
View AllPopular Tools
View AllBrowse by Category
One Place. Many Solutions.
EasyCalculatorSmart brings calculators and useful online tools together, so the number jobs and the file jobs live on one site.
Recently Added
Frequently Asked Questions
Are the calculators and tools free?
Yes. Every calculator and every tool on the site is free to use, with nothing to install and no usage limit.
Do I need an account?
No. There is no sign-up, no login and no email capture anywhere on the site. Open a page and use it.
What kinds of calculators are there?
There are 57 calculators, grouped into Education, Career & Money, Date & Age, Love & Friendship, Gaming, Specialized, Health & Fitness, Home & Garden, Shipping & Freight, Materials & DIY. The full list is on the Calculators page.
What kinds of online tools are there?
There are 20 tools for everyday file and text jobs, grouped into Image Tools, Document Tools, Data Tools, Text Tools, Date & Time Tools, Utility Tools. They are listed on the Tools page.
Are my numbers and files sent to a server?
No. The calculators run in your own browser, so the values you enter stay on your device, and the tools convert your files and text the same way — nothing is uploaded or stored.
Do the calculators show how the result was worked out?
Yes. Each calculator shows its working under the result — the inputs, the formula and the steps between — so you can check where a figure came from.
Can I use them on my phone?
Yes. Every page is built for small screens as well as desktops, works with a keyboard, and follows your device in light or dark mode.