Finance Toolkit — Free Online Calculators
Loan EMI Calculator
Monthly EMI
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Total Interest
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Total Payment
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Amortization Schedule
Formula: EMI = P·r·(1+r)^n / ((1+r)^n − 1), r = annual%/12/100; n = months.
GST Calculator (India)
Forward (Base → Final)
CGST
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SGST
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Total GST
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Final Amount
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Reverse (Final → Base)
Base Amount
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CGST
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SGST
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GST Portion
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Discount Calculator
Discount Amount
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After Discount & Coupon
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GST Amount
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Final Payable
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Order: price → minus discount% → minus coupon → add GST% on resulting amount. Quantity multiplies the payable.
Tip & Split Calculator
Tip Amount
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Total (Bill + Tip)
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Per-Person
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Simple & Compound Interest
Simple Interest
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Simple Total (P + I)
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Compound Interest
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Compound Total
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SIP Calculator (Monthly Investment)
Total Invested
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Maturity Amount
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Estimated Gains
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Inflation-Adjusted (today’s ₹)
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Formula: FV = P · [((1+r)^n − 1)/r] · (1+r), where P = monthly amount, r = (annual%/12/100), n = months.
Markup & Margin with GST
Forward (Base → Final)
Selling (before GST)
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GST Amount
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Final Amount
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Absolute Profit
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Reverse (Final → Base)
Base Amount
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Selling (before GST)
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GST Amount
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Markup Value
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Forward: Final = Base × (1 + Markup%) × (1 + GST%). Reverse solves Base from Final, GST% and Markup%.
About These Free Finance Calculators
Welcome to our collection of free online finance tools and calculators—built to make money decisions simple. Whether you want to check your EMI, estimate interest, plan a SIP, figure out GST, split a bill, or calculate discounts, you’ll find everything in one place.
All tools are fast, accurate, and completely free. No sign‑ups, no complicated steps—just click, calculate, and go. Bookmark this page to come back anytime and make smarter financial choices in seconds.
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