Built for India
FY 2025-26 tax slabs, India Post rates, GST slabs, and land units like acre, cent, and guntha — not generic global defaults.
22+Free CalculatorsInstant results
Free Online Calculators for India
Loan EMIs, FY 2025-26 tax, post office schemes, and everyday finance tools built for India.
CalcIndia at a glance
- Calculators
- 22+
- Categories
- 4
- Financial guides
- 3
- Last updated
- June 28, 2026
What is CalcIndia?
CalcIndia is a free calculator website for people in India. We help you estimate home and car loan EMI, CTC to in-hand salary, old vs new regime income tax for FY 2025-26, SIP and FD returns, GST on bills, and post office maturity for PPF, SSY, NSC, MIS, RD, and more.
Every tool includes rupee examples, a plain-English guide, and answers to common questions. No signup, no app download — open a calculator, enter your numbers, and see results instantly in your browser.
Popular right now
Why trust CalcIndia?
Free with no signup
Every calculator runs in your browser. No account, no app download, no paywall.
Documented formulas
Each page shows the formula used, step-by-step logic, worked rupee examples, and sources.
Editorial review
Content is reviewed against RBI, Income Tax Department, and India Post references. Read our editorial policy.
Popular calculator categories
Jump to loans, tax, post office schemes, or everyday tools.
Finance & Investment
SIP, FD, GST, and investment planning tools for Indian markets.
Post Office Schemes
PPF, SSY, NSC, MIS, RD, SCSS and other India Post calculators. See also our rates hub.
Loans & EMI
Home, car, and personal loan EMI with interest breakdown.
Everyday Tools
Percentage, age, discount, and land area conversion.
Featured calculators
Most-used tools for loans, tax, investments, and post office savings.
EMIFree EMI calculator with monthly installment, total interest, and repayment scheduleIn-Hand SalaryConvert annual CTC to monthly in-hand salary after PF, tax, and deductionsIncome TaxCompare tax under old and new regime with salary, HRA, 80C, 80D, and moreSIPEstimate maturity value, total investment, and wealth gained from monthly SIPPPFCalculate PPF maturity with monthly or yearly deposits at current ratePost Office RDEstimate maturity value for post office recurring deposits
Finance & Investment
SIPEstimate maturity value, total investment, and wealth gained from monthly SIPGSTCalculate GST inclusive or exclusive price for 5%, 12%, 18%, and 28% slabsFDCheck fixed deposit maturity value and total interest earnedIncome TaxCompare tax under old and new regime with salary, HRA, 80C, 80D, and moreIn-Hand SalaryConvert annual CTC to monthly in-hand salary after PF, tax, and deductions
Post Office
Rates & comparison hub →PPFCalculate PPF maturity with monthly or yearly deposits at current rateSSYEstimate SSY maturity with monthly or yearly deposits for girl child accountsNSCCalculate NSC maturity amount and interest under post office ratesKVPEstimate when your Kisan Vikas Patra investment doubles in valueSCSSCalculate quarterly interest and maturity for SCSS depositsPost Office MISCalculate monthly payout and maturity under Post Office MISPost Office RDEstimate maturity value for post office recurring depositsPost Office TDCalculate time deposit returns for 1 to 5 year post office tenuresPO SavingsEstimate yearly interest on your post office savings account balanceMahila SammanCalculate maturity value for Mahila Samman Savings Certificate
Loans & EMI
Everyday Tools
PercentageCalculate percentage of a value, increase, decrease, or difference quicklyAgeCalculate your age from date of birth for forms, exams, and eligibilityDiscountFind sale price and savings after a percentage discount on MRPLand AreaConvert land area between Indian and international units instantly
Featured financial guides
In-depth articles on tax, loans, and post office schemes in India.
Home loan EMI planning in India — tenure, rate, and prepayment basics
Plan an affordable home loan EMI in India — FOIR rules, tenure vs interest trade-offs, prepayment savings, and worked examples for FY 2025-26 housing finance.
Read guide →Post office schemes in India — PPF, MIS, NSC and how to compare returns
Compare India Post PPF, SSY, NSC, MIS, SCSS and RD for FY 2025-26 — rates, limits, tax treatment, and which scheme fits your goal.
Read guide →Old vs new tax regime for FY 2025-26 — which should you pick?
Compare India’s old and new income tax regimes for FY 2025-26 with slab rates, rebates, worked salary examples, and when each regime wins for salaried taxpayers.
Read guide →How our calculators work
Pick a calculator
Browse by category — loans, tax, post office, or everyday tools — and open the page you need.
Enter your numbers
Use sliders or type amounts in rupees. Rates and tenures match common Indian products.
Read the breakdown
See EMI, tax, maturity, or conversion results instantly, with charts or schedules where applicable.
Use the guide below
Every page includes FAQs, tips, and examples so you understand the result — not just the number.
Why our results are accurate
- Loan EMI uses the standard reducing-balance formula applied by Indian banks and NBFCs.
- Income tax follows FY 2025-26 slab rates with standard deduction and Section 87A rebate.
- Post office calculators use quarterly notified rates with clear “verify at branch” notes.
- FD and SIP tools document compounding assumptions so you can match your bank’s method.
- We cross-check sample outputs against spreadsheet calculations before publishing updates.
Calculators provide estimates for planning only. Confirm final figures with your bank, post office branch, or chartered accountant. See how we verify calculations.
Government & official references
We align content with these primary sources where applicable.
- India Post — Small Savings RatesPPF, NSC, RD, MIS, SCSS and other post office scheme rates.
- Income Tax DepartmentTax slabs, rebates, and ITR filing for FY 2025-26.
- GST Council / CBICGST rate notifications and compliance guidance.
- Reserve Bank of IndiaMonetary policy, lending norms, and financial regulations.
Frequently asked questions
Is CalcIndia free to use?
Yes. All calculators on CalcIndia are free with no signup or subscription. Open any tool, enter your numbers, and get instant results.
Are CalcIndia calculator results accurate?
We use standard Indian financial formulas and document assumptions on each page. Results are estimates for planning — banks, post offices, and the tax portal may round differently or apply fees not modelled here.
Which tax year do the income tax calculators use?
Income tax and in-hand salary calculators use FY 2025-26 (AY 2026-27) slab rates, including old vs new regime comparison and standard deduction.
Do post office calculators use official rates?
We use indicative India Post rates updated with quarterly notifications. Always verify the live rate at your post office or on indiapost.gov.in before investing.
Can I use CalcIndia on mobile?
Yes. The site is responsive and works on phones and tablets without installing an app.
Does CalcIndia store my financial data?
Calculations run in your browser. We do not ask for bank login details or store the numbers you enter. See our Privacy Policy for analytics details.
How often is content updated?
We update calculators when tax slabs, post office rates, or major rules change. Each calculator page shows a last-updated date where applicable.
Can I suggest a new calculator?
Yes. Email [email protected] with your suggestion. We prioritise tools useful to Indian users.
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