Indian financial calculators and guides
Calculate the numbers. See what they mean.
ArthaSiddhi brings Indian financial calculators and short guides together in one place. Work out loan EMIs, investment projections, savings maturity amounts, income tax, GST and retirement-related estimates, then read how the numbers work.
Calculators
Start with the calculation you need
Enter your own figures, compare the results and check the assumptions shown with each calculator.
Home Loan EMI Calculator
See the monthly EMI, total interest, total repayment and month-by-month schedule for a home loan.
Open calculatorSIP Calculator
Enter a monthly SIP, period and assumed return to see the total invested and projected future value.
Open calculatorFD Calculator
Work out the interest and maturity amount for a fixed deposit at the chosen rate, tenure and compounding frequency.
Open calculatorPPF Calculator
Project total contributions, interest and maturity using an annual contribution and an editable assumed annual rate.
Open calculatorInflation Calculator
See what an amount may cost later, or what its purchasing power may be after inflation.
Open calculatorIncome Tax Calculator
Estimate ordinary slab-rate tax for Tax Year 2026–27.
Open calculatorLearn
Read how the numbers work
Short guides explain borrowing, SIPs, fixed deposits and compound interest without assuming prior financial knowledge.
Personal Finance
Start with compound interest and the way time changes growth.
View guidesLoans
Read how home-loan EMIs, tenure and interest affect the total amount repaid.
View guidesInvestments
See how a SIP works, what projected value means and why returns are not assured.
View guidesBanking & Savings
Read how fixed-deposit rates, tenure and compounding affect the maturity amount.
View guidesPopular guides
Helpful places to begin
Loans
Home Loan Guide for Beginners
How home-loan EMIs, tenure and interest affect the total cost, with points to check before borrowing.
7 min read
Loans
How Home Loan EMI Is Calculated: Principal, Interest and Reducing Balance
How the home-loan EMI formula works, why the principal and interest split changes each month, and what an amortization schedule shows.
8 min read
Loans
Home Loan Tenure: 15 vs 20 vs 25 vs 30 Years
A ₹50 lakh home-loan comparison showing how 15, 20, 25 and 30-year tenures change the EMI and total interest at the same rate.
7 min read