Credit Card Savings Calculator

Enter your monthly spend and see which credit card actually pays for itself - honest break-even math with fees, reward caps and waivers.

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Enter your typical monthly spend in a category to see each card's real annual savings after fees, reward caps, and waivers - and the spend where each card breaks even.

Model notes: the spend you enter is treated as going entirely to the selected category and as your total card spend for fee-waiver checks. One-time joining benefits are excluded. Points are valued at each card's stated in-category redemption rate. Voucher-style benefits with single-transaction conditions (RBL Play) are approximated using total monthly spend. Card approval always depends on income, credit history and the issuer's own criteria. Terms verified 5 July 2026 against the sources below; banks revise card terms without much notice, so confirm the live schedule of charges on the issuer's page before applying.

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Quick facts

Break-even formulaannual fee / (effective reward rate × 12) = monthly spend where rewards cover the fee
Reward capsNearly all accelerated rewards are capped per billing cycle (e.g. 2,500 points on BPCL SBI Octane fuel; Rs 1,500 cashback on Swiggy HDFC)
Fee waiversMost cards waive the renewal fee past an annual-spend threshold (commonly Rs 1.5-2.75 lakh)
Fuel surcharge waiver~1% of fuel transactions, waived up to a monthly cap (Rs 100-250 depending on the card)
Terms verified5 July 2026, against the sources listed below; banks revise terms without much notice
Privacy100% browser-side; the spend you enter is never sent anywhere

Why advertised reward rates overstate real savings

Card marketing quotes the accelerated rate - 10% on Swiggy, 7.5% on IndianOil fuel - but three mechanics shrink what reaches you. First, monthly caps: the accelerated rate stops at a points or cashback ceiling each billing cycle, and spend beyond it earns the base rate (often 0.25-1%). Second, the annual fee: Rs 500-4,999 comes off the top of whatever you earned, unless your total card spend crosses the waiver threshold. Third, category locks: a BPCL co-brand card earns its headline rate only at BPCL pumps, a Swiggy card only inside the Swiggy app, and excluded categories (fuel on most non-fuel cards, rent, EMI, wallet loads) earn nothing.

Worked example. At Rs 5,000 a month of BPCL fuel on the BPCL SBI Card Octane: reward value 6.25% × Rs 5,000 × 12 = Rs 3,750 a year, plus surcharge waiver of about Rs 600, minus the Rs 1,499 fee (your Rs 60,000 annual spend is below the Rs 2 lakh waiver bar) = about Rs 2,850 a year of real savings. The same card at Rs 1,500 a month of fuel earns about Rs 1,125 + Rs 180 - Rs 1,499 = a net LOSS of about Rs 194. Same card, same rates - the spend level decides whether it pays.

How to use the break-even number

The break-even spend is the monthly spend in a category where a card's yearly value first covers its fee. If your real spend is comfortably above it, the fee is a non-issue; if you hover near it, the card is a coin flip and a zero-fee alternative usually wins; if you are below it, the card costs you money every year you hold it. Two honest caveats: reward value assumes you actually redeem points at the stated rate (unredeemed points are worth zero), and paying interest on revolving balances wipes out reward math entirely - these cards only make sense if you clear the bill in full every month.

Estimating your fuel spend? Our Fuel Cost Calculator converts your commute distance and mileage into a monthly fuel budget you can plug in above. For your overall spending headroom, the Salary Calculator shows your real monthly in-hand.

Sources & References

All figures re-verified 5 July 2026. GST applies on card fees in addition to the amounts shown.

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Disclaimer: This calculator is for informational and educational purposes only.

Frequently Asked Questions

How do I know if a credit card's annual fee is worth it?+
Compare the fee against the reward value you would actually earn at your real spend, not the advertised maximum. Reward value = your monthly spend x the card's reward rate, capped at the card's monthly limit, x 12 - minus the annual fee (unless your total spend crosses the card's fee-waiver threshold). If that number is negative, the card costs you money. Enter your monthly spend above and the tool runs this exact math for 6 popular Indian cards, including each card's break-even spend - the point where rewards first cover the fee.
Why do fuel credit cards stop rewarding beyond a monthly limit?+
Almost every fuel co-brand card caps its accelerated rewards per billing cycle - for example, BPCL SBI Card Octane caps fuel points at 2,500 per cycle (about Rs 10,000 of fuel a month) and IndianOil RBL XTRA at 2,000 fuel points (about Rs 13,300 a month). Beyond the cap, spend earns only the card's base rate, so the headline '7.25%' or '8.5%' value-back applies to a bounded slice of your spend. The calculator above applies these caps, which is why savings flatten as you raise the spend.
What is a fuel surcharge waiver?+
Fuel purchases on any credit card attract a surcharge (commonly 1%, plus GST on it) levied by the acquiring bank. Fuel co-brand cards waive this surcharge up to a monthly cap - Rs 100 a month on BPCL SBI Octane, Rs 200 on IndianOil RBL XTRA - typically within a per-transaction band. The waiver is real savings on top of reward points, and the tool counts it for fuel spends, but only up to each card's stated cap.
Which credit card is best for fuel in India?+
It depends on which pump brand you actually use, because fuel co-brand rewards are brand-locked: BPCL SBI Card Octane earns its accelerated rate only at BPCL pumps, and IndianOil RBL XTRA only at IndianOil pumps. At the same spend, XTRA's headline rate (7.5% + surcharge waiver) is higher, while Octane adds accelerated rewards on groceries, dining and movies. If you refuel across brands, neither earns its accelerated rate consistently. Pick your regular pump brand first, then compare the math above at your real monthly fuel spend.
Does this tool store my spending data or share it with banks?+
No. The calculator runs entirely in your browser - the spend you enter is never sent to a server, stored, or tracked. Separately, this page contains paid affiliate links: if you apply for a card through a link here, we may earn a commission from the card issuer's affiliate program. That never affects the math shown, which is computed from the cards' published fee and reward terms, and it costs you nothing.
Are the card fees and reward rates here up to date?+
The fee, reward-rate, cap, and waiver numbers were last verified on 5 July 2026 against the sources listed in the Sources section (bank product pages and card terms documents). Banks revise card terms without much notice, so always confirm the current schedule of charges on the bank's official page before applying - the application links here go to the issuer, where the live terms are shown.