Tested
Two's Complement Calculator
Two's-complement representation of an integer in a fixed bit width.
Technology Calculators
Use CalculatorTechnology Calculators
Free technology calculators for everyday questions, from quick checks to detailed breakdowns.
Technology tools (40)
- Tested
Upload Time Calculator
Time to upload a file at a given speed.
Technology Calculators
Use Calculator - Tested
URL Encode/Decode
Percent-encode text for a URL or decode it.
Technology Calculators
Use Calculator - Tested
Video File Size Calculator
File size of video with audio at constant bitrates.
Technology Calculators
Use Calculator
All technology calculators by topic (40)
Cryptography
Display
Gaming
Media
Networking
Number Systems
Storage
About technology calculators
Technology Calculators help you turn a question into a clear, checkable answer. Each tool lists its inputs, shows the formula it relies on and explains how to read the result.
Browse by topic using the filters, or search for a specific tool. Tools that are still being built are clearly marked as previews and are not presented as finished calculators.
Frequently asked questions
Are the technology calculators calculators free?
Yes. Every calculator on Calculator Atlas is free to use and requires no sign-up.
How are results verified?
A calculator is only published after its formula has been implemented, tested against reference values and reviewed. Pages still in development are labeled as previews.