Loan repayment calculator
Build a loan calculator with an amortization table that splits every payment into interest and principal, tracks the balance and totals the interest by year.
In this lesson
- Interest + principal = the payment, every month.
- Lock the inputs with $ and leave the month number relative, then copy one row down the whole table.
- Interest over a span of payments:
=-CUMIPMT(rate/12, years*12, amount, first, last, 0).
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Why your formula broke when you copied it
Lock a cell with $ so a formula keeps working when you copy it down.
Beginner · 7 min · Free, with no sign-up
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- Skill
- Real-world projects
- Stage
- Advanced
Where it sits in Real-world projects
- Build a monthly budget14 min
- Attendance tracker12 min
- Sales dashboard15 min
- Loan repayment calculatorThis lesson15 min
- Shopify orders analysis14 min
- Employee directory with lookups14 min
The steps
13 steps: 5 explanations, 6 Do this, 2 questions, then Your turn.
Try a free lesson first
Why your formula broke when you copied it
Lock a cell with $ so a formula keeps working when you copy it down.
Beginner · 7 min · Free, with no sign-up
Do the free lesson on your computer.
Send yourself the link and open it on a laptop or desktop.
On your computer, go tolearnford.com/go/GX5R