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Debt Payoff Calculator Excel

Debt Payoff Calculator Excel to calculate how much interest you will be saving by paying off your debt earlier. Debt Payoff Calculator is able to calculate for any debt or loans that you may have such as credit card debt or others.

Debt Payoff Calculator

Debt Balance
$
Interest Rate
Current Monthly Payment
$
Extra Monthly Payment
$
OR
Desired Payoff Years
years

Original vs. Early Payoff

Original Early Payoff
Monthly Payment
$500.00
$700.00
Expected Payoff Time
40 months
28 months
Total Interest
$1,542.95 $1,079.13
Total Principal
$18,000.00 $18,000.00
Total Payment
$19,542.95 $19,079.13
Total Interest Savings
$0 $463.82
Payoff Date
Dec, 2026 Dec, 2025

Early Payoff Amortization Schedule

Payment Date Payment # Interest Paid Principal Paid Total Payment Remaining Balance
Sep, 2023 1 $75.00 $625.00 $700.00 $17,375.00
Oct, 2023 2 $72.40 $627.60 $700.00 $16,747.40
Nov, 2023 3 $69.78 $630.22 $700.00 $16,117.18
Dec, 2023 4 $67.15 $632.85 $700.00 $15,484.33
Jan, 2024 5 $64.52 $635.48 $700.00 $14,848.85
Feb, 2024 6 $61.87 $638.13 $700.00 $14,210.72
Mar, 2024 7 $59.21 $640.79 $700.00 $13,569.93
Apr, 2024 8 $56.54 $643.46 $700.00 $12,926.47
May, 2024 9 $53.86 $646.14 $700.00 $12,280.33
Jun, 2024 10 $51.17 $648.83 $700.00 $11,631.50
Jul, 2024 11 $48.46 $651.54 $700.00 $10,979.97
Aug, 2024 12 $45.75 $654.25 $700.00 $10,325.72
Sep, 2024 13 $43.02 $656.98 $700.00 $9,668.74
Oct, 2024 14 $40.29 $659.71 $700.00 $9,009.03
Nov, 2024 15 $37.54 $662.46 $700.00 $8,346.56
Dec, 2024 16 $34.78 $665.22 $700.00 $7,681.34
Jan, 2025 17 $32.01 $667.99 $700.00 $7,013.35
Feb, 2025 18 $29.22 $670.78 $700.00 $6,342.57
Mar, 2025 19 $26.43 $673.57 $700.00 $5,669.00
Apr, 2025 20 $23.62 $676.38 $700.00 $4,992.62
May, 2025 21 $20.80 $679.20 $700.00 $4,313.42
Jun, 2025 22 $17.97 $682.03 $700.00 $3,631.39
Jul, 2025 23 $15.13 $684.87 $700.00 $2,946.52
Aug, 2025 24 $12.28 $687.72 $700.00 $2,258.80
Sep, 2025 25 $9.41 $690.59 $700.00 $1,568.21
Oct, 2025 26 $6.53 $693.47 $700.00 $874.75
Nov, 2025 27 $3.64 $696.36 $700.00 $178.39
Dec, 2025 28 $0.74 $178.39 $179.13 $0.00


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