5 tools
Sorted by popularityGPA Calculator
Calculate your semester GPA and cumulative GPA instantly.
Open tool
Grade Calculator
Find the grade you need on your final exam to pass your class.
Open tool
Binary / Hex Converter
Convert numbers between binary, decimal, hexadecimal, and octal instantly.
Open tool
Roman Numeral Converter
Convert between Roman numerals and regular numbers instantly.
Open tool
Statistics Calculator
Calculate mean, median, mode, standard deviation, and variance from any dataset.
Open tool
Advertisement
Related categories
Frequently asked questions
Are these education really free?
Yes — all tools on UtilDen are 100% free, no credit card, no signup.
Does my data stay private?
Every tool runs inside your browser. Nothing is sent to our servers.
Can I use these tools on mobile?
Absolutely. UtilDen is fully responsive and works great on phones and tablets.
How often are new tools added?
We ship new tools regularly. Bookmark the site or check back often.