EMI · Payoff Date · Early Repayment
Repayment
Calculator
Solve for monthly payment, find your payoff date, or model early repayment savings — with full amortization schedule and comparison chart.
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Modes
EMI
Formula
Amort.
Schedule
Early
Savings
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Repayment Calculator
Payment · Time · Early Repayment
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Visual Breakdown
📊 Principal vs Interest Over Time
See how each payment splits between principal and interest over the loan life.
📊 Principal vs Interest — Annual View
Principal
Interest
Early Repayment
⚖️ Standard vs Early Repayment Comparison
Use Mode 3 above to populate this table with your scenario.
⚖️ Repayment Comparison Table
| Scenario | Monthly Payment | Total Paid | Total Interest | Payoff Time | Savings |
|---|---|---|---|---|---|
| Use the Early Repayment mode above to populate this table | |||||
Amortization Schedule
📋 Full Amortization Schedule
Calculate any payment above to generate your full month-by-month schedule.
📋 Amortization Schedule
Showing first 60 payments — calculate above to update
| # | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| Calculate a loan above to see the amortization schedule | ||||
Smart Repayment
Tips to Pay Off Your Loan Faster
Proven strategies that save real money on any loan type.
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Pay Extra When Possible
Even $50–$100 extra per month can shave years off a 5-year loan and save thousands in interest. Every extra dollar goes directly to principal, eliminating future interest charges on that amount.
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Switch to Bi-Weekly Payments
Bi-weekly payments (every 2 weeks) result in 26 half-payments = 13 full payments per year instead of 12. That extra annual payment accelerates payoff significantly with no change to your per-payment amount.
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Apply Lump Sum Windfalls
Tax refunds, bonuses, or inheritances applied as lump sum payments dramatically reduce outstanding principal. A single $2,000 payment on a $25,000 loan at 6% can save $400+ in interest and cut 4+ months off repayment.
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Refinance at Lower Rates
If interest rates drop after you take a loan, refinancing can reduce both monthly payments and total interest paid. Compare the savings against refinancing costs (origination fees, closing costs) to ensure it's worth it.
How the Repayment Calculator Works
A repayment calculator helps you understand the true cost of any loan over its lifetime. By entering your principal, interest rate, and loan term, you can instantly see monthly payments, total interest paid, and how each payment is split between principal and interest through an amortization schedule.
EMI Formula — Equated Monthly Installment
M = P × [r(1+r)^n] / [(1+r)^n − 1]
Where:
P = Principal loan amount
r = Monthly interest rate = Annual rate / 12 / 100
n = Total number of monthly payments = Years × 12
M = Monthly payment (EMI)
Example: $25,000 loan at 6.5% for 5 years:
r = 0.065 / 12 = 0.005417
n = 5 × 12 = 60 months
M = 25000 × [0.005417 × 1.005417^60] / [1.005417^60 − 1]
M = $488.63 / month
Total paid = $488.63 × 60 = $29,317.80
Total interest = $29,317.80 − $25,000 = $4,317.80
How to Solve for Payoff Time
n = −ln(1 − P×r/M) / ln(1+r)
Where n = number of periods, P = balance, r = periodic rate, M = payment
Example: $15,000 balance, 7% annual rate, $400/month payment:
r = 0.07/12 = 0.005833
n = −ln(1 − 15000×0.005833/400) / ln(1.005833)
n = −ln(1 − 0.21875) / ln(1.005833)
n = −ln(0.78125) / 0.005816
n = 0.2469 / 0.005816 = 42.4 months ≈ 3 years 6 months
(minimum payment to avoid infinite repayment: > $87.50/month)
Understanding Amortization
In early payments, the majority of each payment goes toward interest because the principal balance is highest. As the balance decreases over time, the interest portion of each payment shrinks and more goes to principal. This front-loading of interest explains why early repayment is so powerful — paying extra early eliminates future interest on eliminated principal.
Frequently Asked Questions
EMI formula: M = P × [r(1+r)^n] / [(1+r)^n − 1]. P = principal, r = monthly rate (annual ÷ 12), n = total monthly payments. Example: $10,000 at 6% for 36 months → r=0.005, n=36 → M = $304.22/month. Each payment covers the period's interest first; the remainder reduces principal. Our calculator handles monthly, quarterly, semi-annual, and annual compounding.
Extra payments go directly to principal, eliminating future interest on that amount. On a $20,000 loan at 7% over 5 years ($396/month standard), $100 extra/month saves ~$520 in interest and pays off 9 months early. On a $300,000 30-year mortgage at 6.5%, $200/month extra saves over $90,000 and pays off 6 years early. Use Mode 3 above to model your specific scenario.
A complete month-by-month table showing how each payment splits between principal and interest. Early payments go mostly to interest (high balance = high interest charge). Later payments go mostly to principal (balance shrinks). Example: Month 1 of a $10,000/6%/36-month loan = $254 principal + $50 interest. Month 36 = almost entirely principal. The full schedule is generated when you calculate above.
Bi-weekly = payment every 2 weeks. 52 weeks ÷ 2 = 26 half-payments = 13 full monthly payments per year instead of 12. That 13th payment goes to principal every year. On a 30-year mortgage, bi-weekly payments cut 4–6 years off the loan and save tens of thousands — with no increase in per-payment amount. Select Bi-Weekly from the Payment Frequency dropdown in Mode 1.
Compounding determines how often interest is calculated and added to the balance. Monthly = 12 times/year; annual = once. Same 6% nominal rate: monthly compounding = 6.168% effective annual rate (EAR); annual compounding = exactly 6% EAR. Most US consumer loans (personal loans, auto loans, mortgages) use monthly compounding. Select your loan's compounding method from the dropdown for accurate results.
Yes. Enter your mortgage balance as the loan amount, mortgage interest rate, and remaining term (e.g., 27 years left on a 30-year loan). Use monthly compounding (standard for US mortgages). The result shows your P&I payment (principal and interest) — this excludes escrow for property taxes and insurance. The Early Repayment mode is especially valuable for mortgages where even small extra payments yield huge savings over 30 years.
Some loans charge a prepayment penalty for paying off early or making large lump sum payments. Common in: mortgages (pre-2010), some auto loans, some personal loans. May be a % of remaining balance or several months' interest. Always review your loan agreement before making large extra payments. Federal student loans and most new mortgages have no prepayment penalties under current regulations.
Depends on interest rate vs investment return. Loan at 7% vs investing at 10%+: invest. Loan at 7% vs investing at 4–5%: pay down debt. Always pay down high-interest debt (credit cards 18–25%) before investing. For low-rate debt (3–4% mortgage), investing may beat the guaranteed return of debt payoff. Also consider: emotional peace of debt freedom, risk tolerance, and whether investment returns are tax-advantaged.