Loan Payment Calculator
Enter loan amount, annual interest rate, term years, compounding frequency, extra monthly toward principal, and origination fee %. See monthly payment, net proceeds after fee, total paid, total interest, total cost with fees, effective APR, and if you add extra — new payoff months, interest saved, and total savings. Perfect for SBA loans, equipment, or inventory financing.
Best for
Make the next pricing or planning decision with context
Review the assumptions behind your business scenario before you make the next business decision. It covers your monthly loan payment — see total interest, amortization schedule, and how extra payments save on interest.
Instant calculations · Editable fee assumptions · Export-ready results
Inputs
Values update results instantly. Adjust fee assumptions to match your seller dashboard.
Your figures are saved in this browser on this device.
Loan
Principal amount
Yearly interest percent
Years to repay
How often interest compounds
Upfront fee, added to loan / deducted from proceeds
Strategy
Additional payment toward principal each month
Results
Live estimates based on your inputs and editable fee assumptions.
Loan amount
$50,000.00
Principal requested.
Origination fee amount
$1,000.00
Fee dollars.
Net proceeds after fee
$49,000.00
What you actually receive.
Monthly payment (base)
$1,025.83
Principal + interest monthly.
Total number of payments
60
Term months.
Total of all payments
$61,549.59
All monthly payments sum.
Total interest paid
$11,549.59
Interest over life.
Total cost including fees
$62,549.59
Total paid + origination.
Effective APR including fee %
9.4%
Rough effective APR.
New payoff months with extra
60
If extra payment added.
Interest saved with extra
$0.00
Saved by extra payments.
What this means
Loan $50000 at 8.50% for 5y = $1025.83/mo. Total $61550 interest $11550. Fee $1000 net $49000 effective APR 9.36%. Add extra payment to see savings.
Loan amortization — principal vs interest
Interactive breakdown of fees, costs, and remaining profit.
Distribution
- Principal$50,000.0079.9%
- Total interest$11,549.5918.5%
- Origination fee$1,000.001.6%
Total $62,549.59 · 3 segments · interactive
Line-item breakdown
Dollar amounts, share of revenue, and visual proportion.
- Loan amount
- $50,000.00
- Origination fee %
- 2.0%
- Origination fee amount
- $1,000.00
- Net proceeds
- $49,000.00
- Monthly payment base
- $1,025.83
- Total payments
- $61,549.59
- Total interest
- $11,549.59
- Total cost with fees
- $62,549.59
- Effective APR
- 9.4%
- Extra monthly
- $0.00
- New payoff months with extra
- 60
- Interest saved
- $0.00
Assumptions used
- • Monthly rate 0.7083% from 8.50% monthly
- • Payment $1025.83 = 50000.00×0.007083(1+r)^60/((1+r)^n−1)
- • Origination $1000.00 = $50000.00×2.0%
- • Total interest $11549.59 = $61549.59−$50000.00
Your next best moves
Use your Loan Payment result to make the next decision. These General Business tools follow the same cost and pricing thread.
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Explore General BusinessLoan Payment Calculator
Generated 9/16/2026, 7:46:18 AM · Currency USD
Inputs
- Loan amount: 50000
- Annual interest rate %: 8.5
- Loan term (years): 5
- Compounding / payment frequency: monthly
- Extra monthly toward principal: 0
- Origination fee %: 2
Results
- Loan amount: $50,000.00
- Origination fee %: 2.0%
- Origination fee amount: $1,000.00
- Net proceeds: $49,000.00
- Monthly payment base: $1,025.83
- Total payments: $61,549.59
- Total interest: $11,549.59
- Total cost with fees: $62,549.59
- Effective APR: 9.4%
- Extra monthly: $0.00
- New payoff months with extra: 60
- Interest saved: $0.00
Interpretation
Loan $50000 at 8.50% for 5y = $1025.83/mo. Total $61550 interest $11550. Fee $1000 net $49000 effective APR 9.36%. Add extra payment to see savings.
How it works
Methodology & formulas
This calculator is transparent by design. Review the steps and formulas so you can trust the estimate and adjust assumptions when your dashboard differs.
Calculation steps
- 1Calculate monthly rate based on selected compounding.
- 2Apply standard loan amortization formula.
- 3Compute origination fee and net proceeds.
- 4Simulate amortization with and without extra payment for savings.
- 5Sum total paid and interest, derive effective APR including fee impact.
Formulas
- r = annual%/100 /12
- n = years×12
- payment = P×r(1+r)^n / ((1+r)^n −1)
- origination = loanAmount×fee%/100
- net = loanAmount − origination
- totalPaid = payment×n
- totalInterest = totalPaid − loanAmount
- withExtra: iterate balance = balance×(1+r) − (payment+extra)
- effectiveAPR ≈ IRR of net proceeds vs payments approximated
Important assumptions
- Monthly rate = annualRate/100 /12 for monthly compounding; quarterly annual/4 per quarter with monthly payment derived; annual similar.
- nMonths = loanTermYears ×12.
- Origination fee = loanAmount × fee%/100.
- Net proceeds = loanAmount − originationFee (typical SBA where fee deducted from proceeds or rolled into balance — we show deducted).
- Monthly payment = P × r(1+r)^n / ((1+r)^n −1) standard amortization.
- Total paid = monthlyPayment × n.
- Total interest = totalPaid − loanAmount.
- With extra payment: simulate month-by-month applying extra to principal, recalc interest on reduced balance.
- Effective APR approximated via (totalCostWithFees / netProceeds) annualized IRR simplified.
Sources & review
Know what this estimate is built on
This calculator is intentionally platform-agnostic, so it does not attach a platform fee URL.
Official references
No single official fee page is attached here. The model keeps these inputs editable so you can use the terms that apply to your situation.
Use the current terms
This model uses editable planning assumptions. Confirm tax, payment, financing, or operating terms with the relevant provider, official authority, or adviser for your situation.
Defaults are editable estimates. Match them to your current account, provider statement, official authority, lender, or adviser before making a pricing or investment decision.
Calculator model reviewed: August 9, 2026. This date covers the page and calculator guidance, not a guarantee that every live platform rate or term was re-audited on that date.
Worked example
$50K at 8.5% for 5 years, 2% origination
$50K loan, 8.5% APR, 5 years = $1,025.31/mo, total payments $61,518, total interest $11,518, origination $1,000 net $49K, effective APR ~9.3%. With $200 extra, payoff 52 months saves 8, interest saved $1,374.
FAQ
Common questions
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