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Loan & APR Payoff Calculator

Model your loan's full amortization schedule, then layer in extra monthly payments and lump sums to see exactly how much interest and time you can save.

Loan details
Enter the amount, rate, and term of your loan.
Early payoff
Model extra payments and lump sums.
Monthly payment
£404.57
Total interest
£3,252
Save £1,022
Total paid
£23,252
Payoff month
47 mo
13 mo sooner
Balance over time
Baseline vs. early-payoff loan balance.
Scenario timelines
Compare conservative, planned and aggressive payoff timelines. Slide to scale your extra payments and lump sum.
Scenario intensity100%
Conservative
53 mo
Interest £3,692
Saves £582 · 7 mo sooner
+£50/mo
Your plan
47 mo
Interest £3,252
Saves £1,022 · 13 mo sooner
+£100/mo
Aggressive
38 mo
Interest £2,631
Saves £1,643 · 22 mo sooner
+£200/mo
You save £1,022 in interest and finish 13 months sooner.
Based on your extra payment and lump-sum inputs above.
Amortization schedule
Month-by-month breakdown of the early-payoff plan.

Total interest

£3,252.36

Total principal

£20,000.00

Extra payments

£4,600.00

Estimated payoff

Aug 2030

47 payments

Savings vs no extra payments

Interest saved
£1,021.93
Months saved
13
Total savings
£1,021.93
Remaining balance £20,000.00£0.00 · month 47
#PaymentInterestPrincipalExtraBalance
1£504.57£131.67£272.90
£100.00
£19,627.10
2£504.57£129.21£275.36
£100.00
£19,251.74
3£504.57£126.74£277.83
£100.00
£18,873.90
4£504.57£124.25£280.32
£100.00
£18,493.59
5£504.57£121.75£282.82
£100.00
£18,110.76
6£504.57£119.23£285.34
£100.00
£17,725.42
7£504.57£116.69£287.88
£100.00
£17,337.54
8£504.57£114.14£290.43
£100.00
£16,947.11
9£504.57£111.57£293.00
£100.00
£16,554.11
10£504.57£108.98£295.59
£100.00
£16,158.52
11£504.57£106.38£298.19
£100.00
£15,760.32
12£504.57£103.76£300.82
£100.00
£15,359.51
13£504.57£101.12£303.45
£100.00
£14,956.05
14£504.57£98.46£306.11
£100.00
£14,549.94
15£504.57£95.79£308.78
£100.00
£14,141.16
16£504.57£93.10£311.48
£100.00
£13,729.68
17£504.57£90.39£314.18
£100.00
£13,315.50
18£504.57£87.66£316.91
£100.00
£12,898.59
19£504.57£84.92£319.66
£100.00
£12,478.93
20£504.57£82.15£322.42
£100.00
£12,056.51
21£504.57£79.37£325.20
£100.00
£11,631.31
22£504.57£76.57£328.00
£100.00
£11,203.31
23£504.57£73.76£330.82
£100.00
£10,772.50
24£504.57£70.92£333.65
£100.00
£10,338.85
Showing first 24 of 47.