The Finance Algorithm
§ Tool · tier 1 · independent

Early Payout Calculator.

Calculate how much you'll save by paying off your personal loan early

CalculatorFree, no signupOn-deviceupd May 2026
Inputs
Your numbers
$
$18k

How much you currently owe

%
10%

Your current interest rate

4y

Years left on your loan

$
$200

Additional amount you can pay each month

Math updates live as you change inputs · AI runs on submit

Awaiting inputs

Move the sliders or type in the form on the left — the math updates live as you go. Click Get AI verdict when you want a written analysis.

Paying off your personal loan early can save you hundreds or even thousands in interest. Our calculator shows you exactly how much you'll save and how much faster you can be debt-free.

§ Worked examples

Real-world scenarios

Extra $100/month on Car Loan

Alex has $18,000 at 10% with 4 years remaining. Adding $100/month extra.

Inputs

loanAmount:18,000interestRate:10loanTerm:4extraRepayment:100extraFrequency:Monthly

Loan paid off 13 months early. Interest saved: $1,247. Total savings nearly covers a year of the extra payments.

Lump Sum vs Monthly Extra

Sam receives a $2,400 bonus. $12,000 loan at 12%, 3 years remaining.

Inputs

loanAmount:12,000interestRate:12loanTerm:3extraRepayment:2,400extraFrequency:One-off

Lump sum now saves $864 in interest. If instead spread as $200/month extra over 12 months, saves $642. Immediate lump sum beats gradual payments.

§ FAQ

Questions Australians ask

§ Glossary

Plain-English definitions

Early Exit Fee
A fee charged by some lenders when you pay off a loan before the agreed term ends. More common on fixed rate loans.
Principal
The original amount borrowed, excluding interest. Extra payments go directly to reducing the principal.
Amortization
How loan payments are split between interest and principal over time. Early payments are mostly interest; extra payments reduce principal faster.