Key Calculator vs Calculators Plus

Revolutionary Tap-to-Calculate Select an operator (+−×÷) first, then tap numbers to instantly calculate results. Saves 3 steps vs traditional calculators! Customize Your Number Pad Adjust max/min values, set step increments, and save frequent numbers. Build your dream keypad for faster inputs. Undo Mistakes Instantly Typed a wrong number? Undo your last action with one tap—no restart needed. Calculation Time Machine Auto-saves every step. Tap any history entry to resume calculations right where you left off.

Calculators Plus brings together 7 of the most useful calculators you need every day, all in one clean and simple app — no clutter, no confusion. WHAT'S INSIDE • Calculator Pro — A powerful everyday calculator for quick, accurate math • Currency Converter — Real-time exchange rates for currencies worldwide • Age Calculator — Know your exact age in years, months, and days, plus days until your next birthday • Loan Calculator — Plan your monthly payments, total interest, and full loan summary in seconds • BMI Calculator — Check your Body Mass Index and health category instantly • Percentage Calculator — Solve percentage of value, percentage change, and more • Unit Converter — Convert length, weight, temperature, speed, volume, and area WHY CALCULATORS PLUS • Clean, fast, and easy to use — built for one-hand use • Available in English and Arabic • Works offline for most calculators • Regularly updated with improvements Calculators Plus is free to use and supported by ads. Have feedback or an issue? We'd love to hear from you — contact us through the support link on this page.