The only calculator you'll ever need. Calculator App combines a powerful Classic Calculator, full Scientific Calculator, and 15 specialised financial, health, and lifestyle calculators — all in one beautifully designed app.
Classic & Scientific Calculator Perform everyday arithmetic or tackle advanced scientific operations — trigonometric, logarithmic, and exponential functions — with a clean, intuitive interface built for speed and accuracy.
🔢 15 Calculators & Converters
1. Basic Calculator
Addition, subtraction, multiplication, division, percentages, square roots, and memory functions.
2. Scientific Calculator
Trigonometric functions, logarithms, exponents, powers, factorials, parentheses, and constants.
3. GST / VAT Calculator
Add or remove tax in a few taps — built for invoices, billing, and business use.
4. Loan Calculator
Estimate monthly EMI, total interest, and repayment terms from loan amount and rate.
5. SIP Calculator
Forecast SIP investment returns and projected growth over time.
6. Saving Calculator
Calculate compound interest and track your savings growth.
7. Salary Calculator
Compute net income from gross salary after deductions.
8. Discount Calculator
See sale prices and savings instantly for shopping and billing.
9. Percentage Calculator
Compute proportions, increases, and decreases in seconds.
10. Currency Converter
Convert exchange rates between currencies for travel and shopping.
11. Unit Converter
Convert length, area, volume, weight, temperature, speed, time, pressure, energy, data storage, power, and fuel consumption — metric and imperial.
12. Tip Calculator
Split bills and calculate server tips for individuals or groups.
13. Age Calculator
Find exact age in years, months, and days from any birth date.
14. Date Calculator
Calculate the number of days between two dates, or add and subtract days from any date.
15. BMI Calculator
Calculate Body Mass Index from height and weight for a quick health check.
🎯 Perfect For
- Students working through assignments and exams
- Professionals and business owners managing budgets, billing, and taxes
- Shop owners and investors planning loans, savings, and SIPs
- Anyone who wants every calculator in one clean, reliable app
Fast, lightweight, and clutter-free — just open the app and calculate.
Why Choose a Calculator App?
• Clean, minimal design — easy to use for everyone
• Includes classical memory features (M+, M-, MR).
• All calculators in one place — no need for multiple apps
• Works offline — always available, no internet required
• Perfect for students, professionals, shoppers, investors & homeowners
• Multilingual, including Hindi.
• Editable input & cursor
• Copy & paste support
• Calculation history
Whether you're a student solving equations, a professional planning finances, or just splitting a dinner bill — Calculator App has you covered.
Download Calculator today and get 15 calculators and converters in one fast, reliable app.