Formula used
Amortises the purchase at the entered card APR and repayment period, then compares it with a reducing-balance personal loan including the entered processing fee.
Example calculation
A high-APR card balance repaid over 24 months can cost substantially more than a lower-APR personal loan even after a processing fee.
Source and methodology
Last reviewed: August 2026
This calculator uses the formula and assumptions described on this page. Amortises the purchase at the entered card APR and repayment period, then compares it with a reducing-balance personal loan including the entered processing fee. Values are calculated in-browser from user-entered inputs and are not saved by default. Verify tax, regulatory, lender, scheme or product rules with the relevant official source where applicable.
Educational estimate only. RupeeKit does not provide personalized financial, investment, legal, tax or loan advice.
Related calculators and guides
You can cross-check this estimate using: salary in-hand calculator, Old vs New Tax Regime Calculator, 80C deduction calculator, EMI calculator, ITR-2 filing guide, emergency fund guide.
When this tool is useful
- When you want a fast estimate before making a financial or salary decision.
- When you want to compare different assumptions in seconds.
- When you want to understand the formula behind the result.
