Amortization Chart
Your amortization chart calculator — hover any bar to see the exact principal and interest breakdown for that year.
Amortization Schedule Table
Complete amortization schedule table showing every payment — principal, interest, cumulative totals, and remaining balance.
| Year | Cal. Year | Principal Paid | Interest Paid | Total Payment | Cum. Interest | Remaining Balance |
|---|---|---|---|---|---|---|
| Year 1 | 2026 | $2,794.31 | $16,167.73 | $18,962.04 | $16,167.73 | $247,205.69 |
| Year 2 | 2027 | $2,981.45 | $15,980.59 | $18,962.04 | $32,148.31 | $244,224.23 |
| Year 3 | 2028 | $3,181.13 | $15,780.91 | $18,962.04 | $47,929.23 | $241,043.10 |
| Year 4 | 2029 | $3,394.17 | $15,567.87 | $18,962.04 | $63,497.09 | $237,648.93 |
| Year 5 | 2030 | $3,621.49 | $15,340.55 | $18,962.04 | $78,837.65 | $234,027.44 |
| Year 6 | 2031 | $3,864.03 | $15,098.02 | $18,962.04 | $93,935.66 | $230,163.42 |
| Year 7 | 2032 | $4,122.81 | $14,839.23 | $18,962.04 | $108,774.90 | $226,040.61 |
| Year 8 | 2033 | $4,398.92 | $14,563.12 | $18,962.04 | $123,338.02 | $221,641.69 |
| Year 9 | 2034 | $4,693.52 | $14,268.52 | $18,962.04 | $137,606.54 | $216,948.17 |
| Year 10 | 2035 | $5,007.86 | $13,954.18 | $18,962.04 | $151,560.72 | $211,940.32 |
| Year 11 | 2036 | $5,343.24 | $13,618.80 | $18,962.04 | $165,179.52 | $206,597.07 |
| Year 12 | 2037 | $5,701.09 | $13,260.95 | $18,962.04 | $178,440.48 | $200,895.99 |
| Year 13 | 2038 | $6,082.90 | $12,879.14 | $18,962.04 | $191,319.62 | $194,813.09 |
| Year 14 | 2039 | $6,490.28 | $12,471.76 | $18,962.04 | $203,791.37 | $188,322.80 |
| Year 15 | 2040 | $6,924.95 | $12,037.09 | $18,962.04 | $215,828.46 | $181,397.85 |
| Year 16 | 2041 | $7,388.73 | $11,573.31 | $18,962.04 | $227,401.78 | $174,009.13 |
| Year 17 | 2042 | $7,883.56 | $11,078.48 | $18,962.04 | $238,480.26 | $166,125.56 |
| Year 18 | 2043 | $8,411.54 | $10,550.50 | $18,962.04 | $249,030.76 | $157,714.02 |
| Year 19 | 2044 | $8,974.88 | $9,987.16 | $18,962.04 | $259,017.92 | $148,739.15 |
| Year 20 | 2045 | $9,575.94 | $9,386.10 | $18,962.04 | $268,404.02 | $139,163.21 |
| Year 21 | 2046 | $10,217.26 | $8,744.78 | $18,962.04 | $277,148.80 | $128,945.95 |
| Year 22 | 2047 | $10,901.53 | $8,060.51 | $18,962.04 | $285,209.32 | $118,044.42 |
| Year 23 | 2048 | $11,631.62 | $7,330.42 | $18,962.04 | $292,539.73 | $106,412.80 |
| Year 24 | 2049 | $12,410.61 | $6,551.43 | $18,962.04 | $299,091.16 | $94,002.18 |
| Year 25 | 2050 | $13,241.78 | $5,720.26 | $18,962.04 | $304,811.42 | $80,760.41 |
| Year 26 | 2051 | $14,128.60 | $4,833.44 | $18,962.04 | $309,644.86 | $66,631.80 |
| Year 27 | 2052 | $15,074.82 | $3,887.22 | $18,962.04 | $313,532.08 | $51,556.98 |
| Year 28 | 2053 | $16,084.41 | $2,877.63 | $18,962.04 | $316,409.71 | $35,472.57 |
| Year 29 | 2054 | $17,161.61 | $1,800.43 | $18,962.04 | $318,210.14 | $18,310.96 |
| Year 30 | 2055 | $18,310.96 | $651.08 | $18,962.04 | $318,861.22 | $0.00 |
| TOTALS | $250,000.00 | $318,861.22 | $568,861.22 | $318,861.22 | $0.00 | |
Understanding Amortization: Payment Schedule, Chart & Formula
Loan amortization is the process of paying off a debt through regular, equal payments over a fixed period — each instalment covering that month's interest charge with the remainder applied to the principal balance. An amortization payment schedule is the complete table showing this split for every payment from month one to the final payoff. LoanRateCheck's amortization chart calculator goes further: it generates not only the schedule table but also interactive bar and balance charts that make the dynamics of your loan instantly visible across its entire life.
The Loan Amortization Formula — How It Works
The loan amortization formula calculator uses one core equation to determine your monthly payment: M = P × [r(1+r)ⁿ] / [(1+r)ⁿ − 1], where M is the monthly payment, P is the loan principal, r is the monthly interest rate (annual rate ÷ 12), and n is the total number of payments (term in months). This formula produces a fixed payment that satisfies the loan in exactly n payments — no more, no less. Every month, interest is recalculated on the lower remaining balance, so the interest portion shrinks and the principal portion grows by an exactly corresponding amount. This is why the amortization schedule table looks the way it does: a gradual, predictable, mathematically inevitable shift from mostly-interest payments early on to mostly-principal payments near the end.
Reading Your Amortization Payment Schedule
Each row of an amortization payment schedule tells you four things: how much of that payment reduces your balance (principal), how much goes to the lender as interest, the running total of interest paid to date (cumulative interest), and what you still owe (remaining balance). In the first year of a $250,000 mortgage at 6.5% over 30 years, you pay roughly $19,000 in combined P&I — but only about $4,400 reduces your balance. The remaining $14,600 is interest. By year 25, that ratio has reversed: the vast majority of each payment eliminates principal. Seeing this laid out in a full amortization schedule table above transforms an abstract understanding into a concrete financial reality.
How the Amortization Chart Makes the Numbers Visual
An amortization chart calculator converts the schedule table into a visual format that reveals two things the table alone obscures: how slowly the principal-heavy portion of the loan arrives, and how dramatically extra payments accelerate it. The stacked bar chart above shows each year as a bar split between principal (navy) and interest (orange) — hover any bar to see the exact figures. The balance curve chart below it shows the loan balance declining over time, which typically curves sharply downward in the final years. When you enter an extra monthly payment and regenerate the schedule, both charts update to reflect the new payoff date and the cumulative interest saving.
Extra Payments and the Amortization Schedule
Extra principal payments are the most direct and risk-free way to reduce total interest and shorten a loan term. Every dollar paid toward principal reduces the balance on which next month's interest is calculated, creating a compounding benefit that grows over time. On a $250,000 loan at 6.5% over 30 years, the baseline total interest is approximately $316,000. Adding just $200 per month in extra principal reduces total interest by approximately $72,000 and cuts nearly six years from the payoff timeline. Adding $500 per month eliminates roughly $121,000 in interest and shortens the loan by nearly ten years. Enter any extra monthly payment amount in the calculator above and regenerate your amortization payment schedule to see the exact impact on your specific loan.
Comparing Loan Types on an Amortization Schedule
| Loan Type | Typical Term | Typical Rate | $250K — Monthly P&I | $250K — Total Interest |
|---|---|---|---|---|
| Mortgage (30yr) | 15–30 yr | 6–7.5% | $1,580 – $1,748 | $319K – $379K |
| Mortgage (15yr) | 15 yr | 5.5–7% | $2,043 – $2,247 | $118K – $154K |
| Auto Loan | 36–84 mo | 5–12% | N/A (smaller loans) | Lower absolute $ |
| Personal Loan | 12–84 mo | 8–25% | N/A (smaller loans) | High rate = high % |
| Student Loan | 10–25 yr | 5–8% | N/A (smaller loans) | Moderate |
* Use the amortization calculator above with your specific loan type, amount, rate, and term for precise figures.
15-Year vs 30-Year Mortgage: What the Amortization Schedule Reveals
No comparison illustrates the power of an amortization schedule table more clearly than 15-year versus 30-year mortgages on the same loan amount. A $250,000 mortgage at 6.5% over 30 years produces a monthly P&I of $1,580 and total interest of $319,000. The same loan at 6% over 15 years produces a monthly payment of $2,109 and total interest of just $129,000 — a saving of $190,000 for an extra $529 per month. The 30-year borrower making minimum payments will still owe $225,000 after five years; the 15-year borrower will owe about $195,000. Over the first decade, both borrowers pay roughly $190,000 in combined payments — but the 15-year borrower has eliminated $100,000 in principal while the 30-year borrower has eliminated only $28,000. Enter both scenarios in the calculator to see the full schedules side by side.
Using the Amortization Chart for Refinancing Decisions
One of the most practical uses of an amortization chart calculator is evaluating whether refinancing makes sense at a given point in your loan term. The key insight from the amortization schedule is that interest front-loading means refinancing in the early years of a loan produces much greater savings per dollar of effort than refinancing late. If you are in year three of a 30-year mortgage, the vast majority of your remaining 27 years of payments are still heavily interest-weighted — a rate reduction at this point saves a large absolute amount. In year twenty, with eight years remaining, the balance is lower, the interest per period is smaller, and the saving from refinancing is correspondingly reduced. The break-even calculation — closing costs divided by monthly savings — should always be evaluated against the amortization schedules of both the existing and proposed loan to account for the restart of the amortization clock on the new loan.
Interest-Only vs Fully Amortizing Loans
A standard amortizing loan reduces the principal balance with every payment, producing the schedule shown in this calculator. An interest-only loan — common in some commercial real estate and adjustable-rate mortgage products — requires only interest payments during the interest-only period, after which the loan either converts to full amortization or requires a balloon payment. During the interest-only phase, the balance never decreases: every payment is pure interest expense, and the amortization payment schedule shows a flat balance line. When the amortization period begins, the remaining balance must be paid off in the compressed remaining term, which typically produces a meaningfully higher payment than a fully amortizing loan would have required from day one. This calculator models fully amortizing fixed-rate loans — consult your lender for interest-only or variable-rate amortization scenarios.
Frequently Asked Questions
What is an amortization payment schedule?
An amortization payment schedule is a complete table listing every payment across the life of a fixed-rate loan. Each row shows the payment number or date, the total payment amount, how much covers interest, how much reduces the principal balance, the cumulative interest paid to date, and the remaining balance. The schedule reveals how the split between interest and principal shifts over time — heavily weighted toward interest in early payments and toward principal in later payments — which is the defining characteristic of amortized loans.
What is the loan amortization formula?
The standard loan amortization formula is: M = P × [r(1+r)ⁿ] / [(1+r)ⁿ − 1], where M is the monthly payment, P is the loan principal, r is the monthly interest rate (annual rate divided by 12), and n is the total number of monthly payments (years multiplied by 12). This formula calculates the fixed monthly payment that will exactly pay off the loan in n payments at rate r. Our loan amortization formula calculator applies this automatically — just enter your loan amount, rate, and term.
How do I read an amortization schedule table?
Each row of an amortization schedule table represents one payment period. The interest column shows that month's interest charge — calculated as the remaining balance multiplied by the monthly rate. The principal column shows how much of the payment reduces the balance. The cumulative interest column shows the running total of all interest paid so far. The balance column shows what you still owe. Early in the loan, the interest column is large and the principal column is small; this ratio flips progressively until the final payment, which is almost entirely principal.
What does an amortization chart calculator show?
An amortization chart calculator converts the amortization schedule table into visual charts. A stacked bar chart shows each year's payments split between principal and interest — making the front-loading of interest visually obvious. A balance curve chart shows the loan balance declining over time, with the characteristic slow start and steep finish of an amortized loan. Interactive hover tooltips reveal exact figures for any year. These visual tools make the amortization dynamics far more intuitive than the table alone, especially for comparing the impact of extra payments or different loan terms.
How does an extra monthly payment affect the amortization schedule?
Every extra dollar applied to principal immediately reduces the balance on which next month's interest is calculated. This creates a compounding benefit: the lower balance produces a smaller interest charge next month, freeing up more of the regular payment for principal, which further reduces the following month's balance, and so on. The cumulative effect on the amortization schedule is a shorter payoff timeline and meaningfully reduced total interest. Even modest extra payments — $100–$200 per month — produce substantial savings on long-term loans. Enter your extra payment in the calculator and regenerate the schedule to see the exact impact.
Why does so much of my early mortgage payment go to interest?
This is the natural result of the amortization formula applied to a large outstanding balance. Interest is calculated as a percentage of the remaining balance — so when the balance is at its highest (the beginning of the loan), the interest charge is also at its highest. On a $250,000 mortgage at 6.5%, the first month's interest charge alone is approximately $1,354 out of a $1,580 payment — leaving only $226 for principal. As the balance gradually falls with each payment, the monthly interest charge falls correspondingly, and more of the fixed payment goes to principal.
Can I use the amortization calculator for any type of loan?
Yes. The amortization formula and schedule work identically for any fixed-rate instalment loan — mortgage, auto loan, personal loan, student loan, or business loan. The calculator supports all these loan types. The only inputs that change are the loan amount, interest rate, and term. Variable-rate loans (ARMs, HELOCs) cannot be fully amortized with a simple schedule because future rates are unknown; the calculator models the fixed-rate equivalent for planning purposes.
How do I use the amortization schedule to decide between a 15-year and 30-year mortgage?
Generate the full amortization payment schedule for both options using the calculator. Compare the monthly payment difference (typically $400–$600 for a $250,000 loan) against the total interest difference (often $150,000–$200,000 or more over the life of the loan). Then examine the cumulative interest column at years 5, 10, and 15 to see how quickly interest accumulates under each option. Most borrowers find the total interest saving of the shorter term compelling — the monthly payment increase is relatively modest compared to the lifetime interest reduction.
What is negative amortization?
Negative amortization occurs when a scheduled payment is less than the interest charge for that period. Rather than reducing the balance, the unpaid interest is added to the principal — meaning the borrower owes more after making a payment than before. This can occur with certain adjustable-rate mortgages that have payment caps, graduated payment loans, or deferred interest products. Standard fixed-rate fully amortizing loans — the type modelled by this calculator — never produce negative amortization: the fixed payment always covers the interest charge and reduces the balance.