Loan Amortization Schedule Excel Dashboard

Loan Amortization Schedule — financial dashboard with editable inputs and linked analysis
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Description

FINANCIAL MODELS LAB

How much principal and interest does the selected loan require this month?

Use the populated dashboard to read the result, investigate its components and explore the stated decision assumptions. The workbook keeps the source figures and calculation steps available so another reviewer can trace the same selection.

Editable Excel dashboard Working sample data Interactive financial views

See the illustrative example

Month: Oct 2026, Unit: Equipment loan. The workbook opens with calculated sample figures and working financial charts. Each displayed amount belongs to its labelled selection and unit of measure.

Opening principal
$108,552
Scheduled payment
$7,599
Extra principal applied
$0
Closing principal
$101,622

Explore the financial questions

Payment components and closing debt

Actual principal is capped at opening debt. Monthly recasting changes future installment amounts, and all figures use a nominal monthly APR basis.

Prepayment economics

Hold this month’s principal schedule and additional source repayment intact. Apply a further capped paydown at period end. Next month assumes no new draw and the stated nominal APR.

Principal schedule

Actual principal is capped at opening debt. Monthly recasting changes future installment amounts, and all figures use a nominal monthly APR basis.

Move between the decision views

The analytical views include Dashboard, Prepayment economics, Principal schedule. Start with the overview, then use the relevant driver, register or scenario view to explain a difference. Keep the reporting context consistent when comparing an amount with its source or another operating unit.

How to adapt the dashboard

Start with the short How to worksheet, which identifies the inputs, selectors and result views for this dashboard. Keep an unchanged copy of the sample before replacing its data. Enter your source values in the highlighted cells, review one reporting selection and reconcile a headline amount to your records. Change a material driver and check the result in its labelled unit. A decision assumption describes a modelled case; it does not replace the observed source figures.

Understand the calculation basis

Twelve-month view of a fully amortizing monthly recast schedule. No terminal balloon, day-count interest, fees or prepayment penalties. Hold this month’s principal schedule and additional source repayment intact. Apply a further capped paydown at period end. Next month assumes no new draw and the stated nominal APR.