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Financial Calculator
Loan EMI & amortization • Compound interest • NPV & IRR • ROI & payback • Export CSV.
Payment / period
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Total interest
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Total paid
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Payoff time
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| # | Payment | Interest | Principal | Extra | Balance |
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Formula: PMT = P * r / (1 - (1+r)^-n) where r is periodic rate and n is periods.
Future value
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Total contributions
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Interest earned
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Effective APY
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Formula: FV = P(1+r/m)^(m·t) + C * [((1+r/m)^(m·t) - 1) / (r/m)]
NPV
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IRR
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Profitability Index
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NPV: Σ CF_t/(1+r)^t + CF_0. IRR is rate where NPV=0 (solved numerically).
ROI %
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Payback (months)
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Annualized ROI (simple)
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