150+ calculators — free & accurate
Explore 150+ free tools for finance, math, health, and daily life. CalcPedia is your all-in-one library of free online calculators designed to solve everyday problems instantly. With more than 150 smart, mobile-friendly tools, you can calculate loans, health metrics, unit conversions, business profitability, student scores, dates, geometry values, unit converters, currency and crypto conversion, temperature and speed conversion, bandwidth and download time, DPI and screen resolution, image and video aspect ratio tools, timers, date calculators, work-hour calculators, world clocks and more — without software, apps, or registration. Our goal is simple: make calculations easier, faster, and more accurate for everyone.
Mobile-friendly tools that load instantly.
Use it like an app directly in your browser.
Try searching for "Compound Interest" to plan savings.
Calculations happen in your browser.