Credit utilisation: the 30% rule and how it moves your CIBIL score

What credit utilisation means

Credit utilisation is the share of your credit card limit that is in use. If your card has a limit of ₹1,00,000 and your statement shows ₹45,000 outstanding, your utilisation on that card is 45%. With several cards, lenders and bureaus look both at each card and at the overall picture: total balances divided by total limits.

It applies to revolving credit such as credit cards and credit lines. Instalment loans like a home loan or a personal loan are judged differently, mainly on whether you pay the EMI on time.

Why lenders care

High utilisation suggests that you depend heavily on credit, or might be under financial strain, even if you have never missed a payment. A borrower who regularly uses 90% of their limit looks riskier than one who uses 20%, because there is little room left if something goes wrong. Credit bureaus such as TransUnion CIBIL, Experian, Equifax and CRIF High Mark build this into their scores, alongside your repayment history, the age of your accounts, your mix of credit and recent enquiries.

Each bureau uses its own model and does not publish exact weights, so no single number guarantees a particular score. The direction, though, is consistent: lower utilisation is generally better.

The 30% guideline, worked through

A widely quoted rule of thumb is to keep utilisation below about 30% of your limit, and lower is better still. It is a guideline, not a hard cut-off: 31% is not a cliff, and very low utilisation is not a problem.

Take a card with a ₹60,000 limit. Thirty percent is ₹18,000. If you usually spend ₹40,000 a month on it, your statements will show utilisation near 67%, even if you pay the full bill every month. With two cards of ₹60,000 each and the same ₹40,000 split evenly, each card sits around 33% and the overall figure is the same 33%. Spreading spending can help the per-card picture, but the total still matters.

Paying in full is not always enough

Many people are surprised to see high utilisation on their report when they never carry a balance. The reason is timing. Card issuers usually report your balance to the bureaus around the statement date, not on the day you pay. So a large month of spending shows up as high utilisation even if you clear it in full a few days later.

If you want your reported utilisation to be lower, make a part payment before the statement is generated. Your spending stays the same, but the balance reported on the statement date is smaller.

Ways to lower it

• Pay down balances, starting with the card that is closest to its limit.
• Make a payment before the statement date in heavy-spending months.
• Ask for a limit increase on a card you manage well. A higher limit with the same spending lowers utilisation, as long as the extra room does not become extra spending.
• Spread regular spends across cards if one is consistently near its limit.
• Keep old cards open where the annual fee is low or waived, since closing one removes its limit and pushes overall utilisation up.

Things that do not help

• Closing an unused card to look tidier. It usually raises utilisation and can shorten the average age of your accounts.
• Applying for several new cards at once to raise your total limit. Each application adds a hard enquiry, which can lower your score for a while.
• Moving a large balance to a card with a much smaller limit, which can push that card near its maximum.
• Paying only the minimum due. It avoids a late mark but keeps utilisation high and builds expensive interest.

How fast it changes

Utilisation has no long memory in the way a missed payment does. Once lower balances are reported, the effect on your score usually follows within a cycle or two. That makes it a useful lever before a major loan application: bring utilisation down a couple of months ahead, check your report to confirm the lower balances appear, and then apply.

A before-and-after example

Say you have a single card with a ₹1,00,000 limit and you put ₹70,000 of planned spending on it in a month: a flight, some furniture and your usual bills. If the statement is generated with ₹70,000 outstanding, the bureaus see 70% utilisation, even though you will pay it in full by the due date.

Now suppose you pay ₹50,000 a few days before the statement date. The statement shows ₹20,000 outstanding, so the reported utilisation is 20%. You spent exactly the same amount and paid exactly the same total; you only changed when you paid. This is a useful habit in the months before you apply for a home loan or another large loan.

What lenders see on your report

Your credit report lists each card with its credit limit, the balance reported at the last statement, and a month-by-month payment record. A lender reviewing an application sees the pattern over time, not just today's figure, so occasional high months matter less than balances that stay near the limit month after month. Check your report from time to time to make sure the limits and balances are reported correctly; a card shown with the wrong limit can make your utilisation look higher than it is.

Quick answers

Is 0% utilisation best? Using your cards a little and paying in full is generally fine. A card that is never used at all may eventually be closed by the issuer for inactivity.

Does a limit increase cause a hard enquiry? Some issuers check your report when you request one, others offer pre-approved increases without a new enquiry. Ask before you accept.

Do add-on cards count? Spending on an add-on card is part of the primary card's balance, so it counts towards the primary cardholder's utilisation.

Does a credit card EMI conversion change utilisation? The converted amount usually stays blocked against your limit until it is repaid, so it continues to count.

The bottom line

Pay on time first; that matters most. Then keep balances modest relative to your limits, time payments around the statement date in heavy months, and avoid closing old cards. This guide is general information, not personal financial advice.