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Loan Top-Up Calculator

Calculator

Compare topping up your existing loan vs getting a new one for additional funds

Free to useNo data storedAI insightsUpdated: February 2026

Need more money but already have a personal loan? You have two options: top up your existing loan or get a new one. This calculator compares both approaches to help you find the cheaper and simpler option.

Enter Your Details

Enter Your Details

$

Amount remaining on your current loan

%

Interest rate on your current loan

How many months left on current loan

$

How much more do you need to borrow?

%

Rate on a completely new loan

$

Fee charged by your current lender for top-up

$

Fees for setting up a new loan

How long for the new or topped-up loan

Real-World Examples

Small Top-Up

Lisa has $8,000 left at 12% (18 months). Needs $3,000 more. Top-up rate: 12%, new loan rate: 10%.

Inputs:

existing:8,000additional:3,000currentRate:12newRate:10
New loan saves $180 over the term despite $200 establishment fee. Worth switching if she values the lower rate.

Larger Additional Amount

Mike has $15,000 left at 11% (30 months). Needs $15,000 more. Top-up fee: $100. New loan fee: $250.

Inputs:

existing:15,000additional:15,000currentRate:11newRate:9
New loan at 9% saves $1,200+ despite fees. The rate difference over $30,000 is significant.

Frequently Asked Questions

Glossary

Loan Top-Up
Adding to your existing loan balance with the same lender, usually at the same or similar rate.
Refinance
Paying off your existing loan with a new loan, often from a different lender with better terms.
Break Cost
Fee charged for paying off a loan early - important to factor in when considering a new loan.

Disclaimer: This calculator provides estimates only and should not be relied upon for financial decisions. Interest rates, fees, and policies change frequently. Always verify information with lenders directly. This is general information, not personal financial advice. Consider seeking advice from a licensed mortgage broker or financial advisor.

Last updated: February 2026

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