Smart Calculator & Math Tools

Smart Calculator & Math Tools puts five practical everyday calculators in one focused app. TIP & SPLIT Enter a bill, choose a tip percentage, and split the total evenly between people. DISCOUNT See the final price, estimated savings, and optional sales tax before you buy. PERCENTAGE Find any percentage of a number with a clear equation and instant result. LOAN ESTIMATE Estimate monthly payments and total interest from the amount, annual rate, and term. LENGTH CONVERTER Convert meters, kilometers, feet, and miles with a quick unit swap. SAVE AND REVIEW Bookmark useful results, search your history, open result details, share a calculation, and view simple usage insights. PRIVATE BY DESIGN Core calculations and saved results work locally. No account, bank connection, camera, microphone, or backend service is required. Personalize the app with light, dark, or system appearance and choose from nine supported languages.