About Calcilo.com

I built this site because I kept needing simple, accurate calculators myself — for studying, finance and home projects. Most existing tools were either cluttered with ads, unusable on mobile, or outdated.

So Calcilo.com was born — no sign-up, no data collection, no intrusive ads. Just tools that work, built specifically for students and homeowners in the US.

Our principles

• → Everything runs in your browser. No data is sent to a server — every calculation happens on your device.
• → Sourced data. AP score cutoffs and state tax tables are based on published historical data and updated as rules change.
• → Feedback welcome. Found a bug or want a new calculator? Write to us — we usually reply within a day.