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Free Calculators for India

150+ calculators optimized for Indian users — GST rates, EMI calculations, Indian tax slabs, metric units, and RBI guidelines.

Most Popular Calculators in India

EMI Calculator

Calculate Equated Monthly Installments for home loans, car loans, and personal loans in INR.

GST Calculator

Calculate Goods and Services Tax — add or remove GST at 5%, 12%, 18%, or 28% rates.

SIP Calculator

Plan Systematic Investment Plans with expected returns and wealth accumulation projections.

Income Tax Calculator

Estimate income tax under the new and old tax regimes for Indian taxpayers.

BMI Calculator

Check your Body Mass Index with Asian-adjusted BMI categories recommended for Indians.

Percentage Calculator

Calculate percentages, percentage changes, and marks percentage for exams.

Built for Indian Users

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INR & Lakh/Crore

Currency in Indian Rupees with lakh and crore formatting support.

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Indian Tax Slabs

Updated FY 2025-26 old and new regime tax calculations with Section 80C deductions.

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RBI & SEBI Standards

Financial calculators follow Reserve Bank of India and SEBI guidelines.

Frequently Asked Questions

Which is the best free EMI calculator for India?
CalculatorApp.me offers a free EMI calculator that supports flat and reducing balance methods, works with INR and lakh/crore formatting, and includes AI-powered insights for loan optimization. No ads, no signup required.
How do I calculate GST online?
Use our free GST calculator to add or remove GST at any of the 5 Indian slab rates — 0%, 5%, 12%, 18%, and 28%. Enter your amount, select the rate, and get instant inclusive or exclusive GST breakdowns.
Which SIP calculator works with Indian mutual funds?
CalculatorApp.me's SIP calculator supports Indian mutual fund returns, INR currency, and provides AI analysis with wealth accumulation projections based on historical Indian market performance.
Is this calculator app free for Indian users?
Yes, 100% free. All 150+ calculators are available without signup or payment. The app is ad-free, works offline as a PWA, and includes AI-powered insights at no cost.
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