Calculator - Simple Calculator

Handle everyday math and money planning in one place. Calculator brings a clean basic keypad, a full scientific mode, and a set of financial and conversion tools into a single simple app.

Whether you are splitting a bill, checking a loan EMI before signing, planning a monthly SIP, or converting units for a project, everything sits one tap away.

Basic & Scientific Calculator
- Fast keypad for addition, subtraction, multiplication and division
- Scientific mode with sin, cos, tan and their inverse functions
- Log, ln, exponent, power, factorial, pi and e
- Switch between degree and radian
- Percentage and bracket support for longer expressions
- Calculation history you can open, reuse and clear anytime

Financial Calculators
- SIP Calculator: enter your monthly amount, expected rate and investment period to see the expected value, total invested amount and wealth gain
- Loan Calculator: check your monthly EMI, total interest and total payable amount before you borrow
- Investment Calculator: work out the maturity value and total interest on a one-time investment
- Saving Calculator: set a saving goal and find the monthly and daily amount needed to reach it
- GST Calculator: add or remove GST at any rate, with a clear CGST, SGST and IGST breakdown
- Discount Calculator: enter the original price and discount percent to get the final amount and the amount saved

Unit Converter
Convert across length, area, volume, mass, temperature, storage, pressure, heat, speed, time, angle and power. Pick a category, choose your two units, and the conversion updates as you type. Useful for students, engineers, cooking and travel.

Currency Converter
Convert an amount from one currency to another in a few taps.

Date & Age Calculator
- Age Calculator: enter a date of birth to see the exact age in years, months and days, plus a countdown to the next birthday
- Date Calculator: find the exact difference between any two dates, useful for deadlines, notice periods and planning

BMI Calculator
Enter your height and weight values to get your BMI number and see which standard range it falls into. You can switch the units between kg and lbs, and between cm and inches.

Why This Calculator
- Simple layout that stays out of your way
- Comfortable dark theme designed for long sessions and low light
- Every tool grouped in one menu, so you are not switching between apps
- Clear result cards that show the full breakdown, not just a single number
- Compact and quick to open, even on older devices

Built for Everyday Use
- Students solving assignments and scientific problems
- Shoppers working out a discount before paying
- Professionals reviewing GST on an invoice
- Anyone comparing a loan, a SIP or an investment plan before deciding

Instead of keeping four different apps for four different jobs, you can open one and get to the answer.

A Note on Results
Financial results are estimates based on the values you enter. Actual bank, lender or tax figures may differ depending on the terms that apply to you, so please use these numbers as a planning reference rather than a final quote.

If you have any questions, suggestions, or a calculator you would like us to add, please mail us at [email protected].

Install Calculator and keep your daily math, money and conversion tools together in one simple app.