Loan Calculator
Estimate home-loan amortization, flat-rate auto hire purchase, the standard student-loan Step-Up plan, and credit-card payoff time.
Loan calculator
Loan type
ASSUMPTIONS
Uses a reducing-balance amortizing loan with fixed monthly instalments and a fixed rate for the full term. A lender’s actual offer may differ.
| Month | Payment | Interest | Principal | Balance |
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FLAT-RATE MODEL
Interest is charged on the original principal for the full term. The effective rate is solved from monthly cash flows using IRR—not an approximate 1.8× or 1.95× multiplier.
15-YEAR STEP-UP PLAN
Estimates annual principal percentages from 1.5% to 13%. Year 1 is principal only; years 2–15 add 1% interest on opening balance after the two-year grace period.
| Year | Principal % | Principal | Interest | Payment | Balance |
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NO NEW SPENDING
Estimates payoff from the current balance with no new purchases, cash advances or fees, using approximate monthly interest.
| Month | Payment | Interest | Principal | Balance |
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