Every calculator you need.
Organized in one app.
Multi Calculator brings together basic math, loan EMIs, SIPs, mutual funds, banking, GST, unit conversions, engineering, and health calculators into one clean, lightning-fast app built with Kotlin Multiplatform for Android and iOS.
Explore 8 Specialized Categories
From quick everyday math to complex financial loans, banking, engineering, and health metrics.
General Calculators
Perform everyday calculations quickly with simple and convenient calculators for common mathematical needs.
EMI & Loan Calculators
Calculate loan EMI, interest, total repayment, and amortization schedules to better understand borrowing costs.
Mutual Fund & SIP Calculators
Estimate SIP returns, investment growth, and compounding outcomes to plan long-term wealth.
Banking Calculators
Calculate common banking values such as deposit returns, compound interest, and financial yields.
GST & VAT Calculators
Quickly calculate GST-inclusive and GST-exclusive amounts, tax values, and customized VAT rates.
Unit Converter
Convert between units across length, weight, temperature, area, volume, speed, pressure, and digital storage.
Engineering Calculators
Useful technical tools for engineering, physics, electrical formulas, and scientific math.
Health Calculators
Calculate useful health-related values such as BMI, ideal weight, and common fitness measurements.
Why Multi Calculator?
Whether you are a student, professional, business owner, investor, or simply need quick everyday calculations, Multi Calculator brings everything together in one app.
Multiple Calculators in One App
No more downloading ten single-purpose apps. Keep all your daily, loan, tax, and engineering math tools in one spot.
Clean & Easy-to-Use Interface
Thoughtfully structured with intuitive inputs, zero clutter, and clear immediate visual summaries.
Organized into Convenient Categories
Quickly navigate between finance, investment, banking, GST, unit conversion, engineering, and health.
Instant & 100% Offline Calculations
Calculations run entirely on your device with zero latency and no internet connection required.
Useful for Everyday & Professional Needs
Equally powerful for simple split bills and advanced financial loan comparisons or unit transformations.
Built with Kotlin Multiplatform (KMP)
Identical accuracy and native responsiveness across both Android and iOS devices.
Frequently Asked Questions
Does Multi Calculator work without an internet connection?
Yes! All calculations, formulas, unit conversions, and financial models run 100% locally on your device with zero internet connectivity required.
Which financial calculators are included?
Multi Calculator includes Loan EMI, Home & Auto Loans, Mutual Fund SIP, Lump Sum Investment, Fixed Deposit (FD), Recurring Deposit (RD), Compound Interest, GST, and VAT calculators.
Is the app available on both Android and iOS?
Yes! Multi Calculator is built with Kotlin Multiplatform (KMP), delivering high performance, native look and feel, and identical precision across both Android and iOS.
Are there any hidden fees or subscription requirements?
No. Multi Calculator is designed to provide genuine everyday utility without aggressive paywalls or forced subscriptions.
Download Multi Calculator & keep your essential tools in one place.
Available on Android and iOS. 100% offline, privacy-first, and zero subscription traps.