Basic & scientific calculator, currency converter, BMI and everyday math tools
From quick calculations to scientific functions, currency conversion, and daily planning, Simple Calculator puts useful tools together in one easy-to-use Android app.
Choose a familiar Classic calculator or a colorful modern design, then switch to specialized calculators whenever you need them.
🧮 BASIC & SCIENTIFIC CALCULATORS
• Basic Calculator – Add, subtract, multiply, divide, work with decimals, calculate square roots, and store or recall numbers.
• Scientific Calculator – Explore trigonometric functions, logarithms, powers, roots, parentheses, constants, and more.
💱 CONVERTERS FOR EVERYDAY LIFE
• Currency Converter – Convert between currencies using downloaded reference exchange rates. Use saved rates offline and refresh them when connected to the internet.
• Unit Converter – Convert measurements without switching between separate apps.
💰 SHOPPING & FINANCIAL TOOLS
• Tip & Split Bill – Work out tips and split a bill.
• Discount & Tax – Calculate sale discounts, tax amounts, savings, and final prices.
• Loan Calculator – Estimate repayments to help plan borrowing costs.
📅 PERSONAL & DATE TOOLS
• Date & Age Calculator – Calculate ages and date differences, or add and subtract time.
• BMI Calculator – Estimate body mass index using metric or imperial measurements, with an adult BMI classification. BMI is a screening measure, not a medical diagnosis.
🕘 CALCULATION HISTORY
Review previously saved calculations and results, check when they were made, and delete individual entries or clear your history.
Calculation history is stored locally on your device.
⭐ QUICK ACCESS WITH FAVORITES
Mark frequently used calculators as favorites so they're easier to find from the navigation menu.
🎨 CLASSIC LOOK OR MODERN THEMES
Keep the familiar green LCD-style Classic Calculator, or choose a Modern calculator layout with rounded keys and five color themes:
• Graphite Blue
• Miami
• Aurora
• AMOLED
• Sunset
All five themes are available for free.
⚙️ MADE FOR YOUR PREFERENCES
• Clear, easy-to-read controls and results.
• Copy calculation results.
• Optional keypad vibration.
• Optional keep-screen-on setting.
• Restore your previous calculation when reopening the app.
⭐ OPTIONAL VIP – REMOVE ADS
Enjoy the app without advertisements through a one-time VIP purchase.
• Remove advertisements permanently.
• No subscription or recurring payments.
• Restore your purchase using the same Google Play account.
VIP is optional. All calculators, converters, history, and themes remain available in the free version.
Whether you're studying, shopping, sharing a restaurant bill, checking exchange rates, or planning expenses, Simple Calculator gives you practical tools in one place.
Simple Calculator – everyday math, useful converters, and more.