Smart Calculator combines a full-featured basic & scientific calculator with 200+ unit converters, finance tools, GST, EMI, health tracking, and more — all in one elegant app.
Replace 10 different apps with just one. Smart Calculator handles every calculation you'll face in daily life.
Far smarter than your built-in calculator. Supports memory functions, percentage, ANS key, parentheses, and real-time expression display with full calculation history you can name and revisit.
From Length and Weight to Torque, Fuel Efficiency, and Digital Storage — convert between 200+ units across every category. Save your favourites for quick access. Works fully offline.
Convert between 150+ world currencies with up-to-date exchange rates. Clean keyboard-driven interface for fast currency switching and one-tap copy or share.
Include or exclude tax from any amount in one click. Instantly see CGST and SGST breakdowns. Fully customisable tax rates to match your state or country's rules.
Calculate EMI, compare multiple loans side-by-side, check loan affordability, and view full amortisation schedules with a beautiful Principal vs Interest chart.
Calculate FD, RD, SIP returns, doubling time, and ROI. Make smarter investment decisions with clear projections.
Calculate BMI, BMR, daily water intake, body fat %, and calorie burn. Track weight progress over time with ideal weight range recommendations.
Calculate exact age in years, months, and days. Find date differences, add/subtract dates, count working days, and even get a countdown to any event.
Solve linear equations with one, two, or three variables. Also handles quadratic equations — perfect for students and professionals alike.
A calculator that actually keeps up with how you think. Type full expressions naturally, see a live preview, and never lose an important calculation again.
With over 200 unit types across every major category, you'll never need another converter app. The clean icon-grid layout makes finding any converter instant.
Built specifically for India's tax system, with full customisability for any country's VAT or sales tax. Know the exact breakdown instantly — no spreadsheet needed.
Make confident borrowing decisions. The EMI calculator goes beyond a simple monthly payment — it shows you the full picture of what a loan will actually cost.
Track the numbers that matter for your wellbeing and daily life — from BMI to your exact age in seconds. Smart Calculator covers everything beyond pure arithmetic.
Join thousands of users who've simplified their daily calculations. Free to download, no ads interrupting you, no subscription required.