Free calculator app with scientific calculator, EMI loan calculator, unit converter, age calculator, BMI calculator, discount, GST and date calculator — all in one fast, simple app. No login needed.

Looking for a calculator that does more than just math?
Calculator: Sci, Loan & Unit is a fast, clean, and powerful calculator app built for students, working professionals, shoppers and everyday users.

🔢 BASIC & SCIENTIFIC CALCULATOR

Perform everyday arithmetic or advanced scientific calculations —
all in one tap.
- Addition, subtraction, multiplication, division, modulo
- sin, cos, tan and inverse trigonometric functions
- log, ln, square root, cube root, factorial
- π (pi), Euler's number e, and more constants
- Switch between degrees and radians mode
- Edit expressions mid-calculation
- Memory functions: MC, M+, M−, MR

📜 CALCULATION HISTORY
Never lose a calculation again. Every result is saved — review, reuse, or continue any previous calculation anytime. Perfect for students and office workers who repeat similar calculations daily.

🔄 UNIT CONVERTER
10+ categories, hundreds of units, reverse in one tap:
- Length — feet, metres, cm, inches, km, miles
- Area — sq metre, sq feet, sq cm, acre, hectare
- Pressure — Pascal, Bar, PSI, atm, mmHg
- Weight — mg, g, kg, tonnes, lb (pounds), oz (ounce)
- Speed — km/h, mph, m/s, knots, Mach
- Temperature — Celsius, Fahrenheit, Kelvin
- Energy — Joule, Calorie, kcal, kWh, BTU
- Volume — litre, ml, cubic metre, gallon, cup
- Storage — bit, KB, MB, GB, TB and more
- Power — W, kW, hp, ps, Btu/s, ft•lb/s
- Time — seconds, minutes, hours, days, weeks
Daylight Saving Time (DST) supported

🎂 AGE CALCULATOR
Type your birth date — get your age broken down into
years, months, weeks, days and hours right away.
Check your age on any date, past or future. Handy for
Aadhaar, passport, school admissions and government forms.
Daylight Saving Time (DST) aware — always accurate.

🏦 LOAN & INTEREST CALCULATOR
Enter your loan amount, interest rate, and tenure
in months — your monthly EMI, total interest and final
repayment amount appear instantly. Perfect for home loans,
car loans and personal finance planning.

🛒 DISCOUNT CALCULATOR
Enter the price and discount percentage — see your
final price and savings right away. GST slabs built in:
5%, 12%, 18%, 28% and 40%. Ideal for shopping, billing,
and business invoicing.

🏋️ BMI & HEALTH CALCULATOR
Check your Body Mass Index in seconds.
- Enter height (CM) and weight (KG)
- Instantly see your BMI (Body Mass Index) score and health category
- Full chart: Underweight · Healthy · Overweight · Obese
Know exactly where you stand — no guesswork.

📅 DATE CALCULATOR
Pick any two dates and get the gap in days, months or
years. Add or subtract days from a date. Useful for
exam countdowns, loan tenures, and travel planning.

🏷️ UNIT PRICE CALCULATOR
Enter total price and quantity — get the per-unit cost
straight away. Useful when buying in bulk and comparing
different pack sizes for the best deal.

✨ MORE FEATURES
- Results update as you type — no equals button needed
- Both portrait and landscape orientations supported
- Button vibration and tap sound (toggleable)
- Large, clear display — comfortable for long sessions
- Flexible number formats for better readability
- Movable cursor — edit any part of your expression instantly
- Runs fully offline — zero data usage
- 22 languages supported — Hindi, Arabic, Spanish, French,
Portuguese, Bengali, Urdu, Indonesian, and more

👥 WHO USES IT
✔ Students doing homework, assignments, board exams, and engineering calculations
✔ Working professionals — finance, data, and office work
✔ Home buyers & borrowers — EMI and loan planning in ₹
✔ Shoppers — GST, discounts, and price comparisons
✔ Anyone wanting one dependable calculator for everything

Download Calculator: Sci, Loan & Unit now — free, fast, and no login.