Simple calculator

Contains adsIn-app purchases
285 reviews
Content rating
Everyone
100K+
Downloads
Content rating
Everyone
Learn more
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About this app

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.
Basic & scientific calculator, currency converter, BMI and everyday math tools
Updated on
Oct 15, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

Ratings and reviews

263 reviews
Neela Nagabhushanam
June 30, 2022
Memor buttons not found..waste app...
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A Google user
December 5, 2017
It a real good phone even I can figure it out and I'm judo I need a lot of help with stuff
9 people found this review helpful
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A Google user
March 13, 2017
NO ÷ OR × BUTTON = BAD CALCULATOR!!!!!!!!
13 people found this review helpful
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What’s new

Added percentage calculator, sorting of history items and bug fixes