About TechCalc
"I built TechCalc because I was tired of doing the same calculations over and over again. Now I want to share these tools with everyone."
Our Story
Hi there! I'm a full-stack developer who spends way too much time downloading large files, comparing monitor specs, and resizing images. After calculating download times for the hundredth time, I thought: "Why isn't there a simple, fast tool for this?"
That's how TechCalc was born. What started as a personal project quickly grew into a collection of useful calculators that I use daily — and now you can too.
What We Offer
Download Time Calculator
Planning to download a large game or file? Find out exactly how long it will take based on your internet speed.
PPI Calculator
Shopping for a new monitor? Calculate the pixel density to ensure you get a sharp, crisp display.
Aspect Ratio Calculator
Need to resize an image or video while maintaining proportions? Calculate the correct dimensions instantly.
Pixel Clock Calculator
Configure custom resolutions and verify display timing for monitor overclocking and CRU setups.
Our Principles
Free Forever
All our calculators are completely free to use. No subscriptions, no hidden fees.
No Sign-up Required
Just visit the page and start calculating. We don't need your email or personal information.
Fast & Accurate
Our calculators use standard formulas and provide instant results. No waiting, no loading.
Privacy Focused
All calculations happen in your browser. We don't store your inputs or results.
Tech Stack
For the fellow developers out there, TechCalc is built with:
Get in Touch
Have a suggestion for a new calculator? Found a bug? Just want to say hi? I'd love to hear from you!
📧 support@techcalc.org