Tech & Networking Calculators
Bandwidth calculators, subnet tools, storage estimators, and hardware calculators for developers, sysadmins, and tech professionals. Precise calculations for the infrastructure that runs everything.
- ✓Networking: subnet, bandwidth, data transfer speeds
- ✓Hardware: battery life, storage space, monitor sizing
- ✓Security: password strength analysis
- ✓Electronics: PCB trace width, screen resolution
Most used: Subnet Calculator, Bandwidth Calculator, Password Strength Calculator
Try any of the 10 electronics & tech calculators below — or get one free for your AI.
Every calculator on this page is free to use right now. You can also download any one as a Claude skill file (free with email) to chat with it in Claude Code, ChatGPT, or any AI platform. Or get the full Tech & Networking Pack for $29.
Common workflows in this category
Click any scenario to jump into the calculator with the example pre-loaded.
10 free calculators
Bandwidth Calculator
Calculate bandwidth requirements for streaming, gaming, video calls, and more. Compare your speed.
Battery Life Calculator
Calculate how long your device battery lasts based on capacity, voltage, and power draw.
Data Transfer Speed Calculator
Calculate data transfer time with USB, Ethernet, WiFi, or other speeds. Compare connection types.
Download Time Calculator
Calculate download time based on file size and internet speed. Supports all units and connection types.
Monitor Size Comparison Calculator
Calculate monitor width and height from diagonal and aspect ratio. Compare workspace across sizes.
Password Strength Calculator
Calculate password entropy and crack time. Test password strength instantly with our calculator.
PCB Trace Width Calculator
Calculate required PCB trace width using IPC-2221 standards. Ensure safe current handling.
Screen Resolution Calculator
Calculate PPI from resolution and diagonal size. Determine ideal monitor viewing distance and sharpness.
Storage Space Calculator
Calculate storage space needed for photos, videos, music, and files. Plan device storage wisely.
Subnet Calculator
Calculate subnet masks, usable hosts, and network addresses from CIDR notation. Plan IP networks.