About PercentSnap
PercentSnap is a free collection of percentage calculators built for people who need fast, reliable answers without ads, popups, or paywalls.
Our Mission
Percentage math shows up everywhere — at checkout, in business pricing, on your paycheck, when splitting a restaurant bill. PercentSnap exists so you can snap that answer in seconds, with the formula shown so you understand why, not just what.
Our Calculators
Design Philosophy
- ⚡ Instant results — Calculations update as you type — no submit button needed.
- 📐 Formula shown — Every result includes the formula and an example, so you learn.
- 📱 Mobile first — Designed for one-handed use on a phone, perfect on desktop too.
- 🔒 Private by design — Nothing you type leaves your browser. Zero data storage.
Chrome Extension
All 10 calculators are also available as a free Chrome browser extension — get instant percentage answers without leaving any page. Includes sales tax (all 50 states), unit price comparison, percentage calculator, and gross margin tools. Search "PercentSnap" in the Chrome Web Store.
Contact
Have feedback, a bug report, or a calculator request? We'd love to hear from you. Reach us at hello@percentsnap.com.