Workspace
The calculator's own fields, action and results arrive with the verified pack when you load it. Nothing is computed in this page.
Revolving credit · utilization and paydown
Credit utilization ratio and paydown to target
Work out how much of a revolving credit limit is in use, and the paydown that would bring the balance to a target utilization you set.
Verified engine
What the engine returns
Read the ratio first for where the household stands, then the paydown for what reaching the target costs. When the paydown reads as nothing, the balance is already inside the target and the remaining question is only what the statement dates will catch.
Inputs the result is built from
Total revolving balance
Total credit limit
Target utilization
How the result is derived
MethodThe total revolving balance divided by the total credit limit, expressed as a percentage; the limit multiplied by the target share gives the balance at target, and the excess of the present balance over that figure — floored at nothing — gives the paydown needed.
StandardStandard credit utilization reference ratio
GuardA zero or negative credit limit is refused — utilization against no available credit is undefined, and there is no target balance to pay down toward.
How the utilization moves with the balance
Your utilization against your own target
What it takes to reach the target
The ratio a statement date freezes in place
Utilization is a capacity reading, not a debt measure. It asks how much of the credit already extended is actually drawn — a fraction of balance over limit that scoring models read as a signal of strain, on the theory that a household leaning hard on its revolving lines is closer to trouble than its payment history yet shows. Instalment loans sit outside it entirely; this is a revolving-credit ratio.
The target is supplied, not embedded. A commonly cited reference share circulates in credit education, but no bureau publishes a rule and the right target depends on the goal — polishing a score before a mortgage application argues for a far lower share than everyday management does. The pack ships the commonly cited figure as an illustrative default and embeds no scoring model’s judgement.
The paydown output is floored at nothing: a balance already at or under the target reports exactly nothing to pay, never a negative figure that would read as permission to borrow back up to the line. What it reports is arithmetic distance to the target, not a plan — when the money arrives is the reader’s side.
Timing does more work here than in any other ratio in this cluster. Scores read the balance a statement date happens to catch, so a card paid in full every month can still show high utilization if the statement cuts before the payment lands. And the single combined ratio computed here has a per-card sibling: scoring models also read each card alone, and one maxed card can hurt while the aggregate looks calm.
The total revolving balance divided by the total credit limit, expressed as a percentage; the limit multiplied by the target share gives the balance at target, and the excess of the present balance over that figure — floored at nothing — gives the paydown needed.
When this calculation is used
- Hearing “high utilization” in a score explanation and wanting the figure computed from your own statements.
- Sizing the payment to make before a statement date, in the weeks before a mortgage or auto application.
- Seeing what a credit-limit increase does to the ratio — the denominator move that changes the share without repaying anything.
- Working the declared reverse workflow: fixing a target share and recovering the balance that sits exactly on it.
Worked example
A handful of cards summed into one balance and one limit, tested against the commonly cited target share — the check as it is run a billing cycle or two before a loan application.
Read the ratio first for where the household stands, then the paydown for what reaching the target costs. When the paydown reads as nothing, the balance is already inside the target and the remaining question is only what the statement dates will catch.
The declared reverse workflow inverts the question: fix the share you want reported and recover the balance that produces it, which is the ceiling to spend under until the application clears. And remember the denominator is a lever too — a limit increase moves the ratio without a payment, though whether to request one near an application is a judgement this arithmetic does not make.
What each input represents
Total revolving balance
The combined balance across the revolving accounts being read — cards and lines of credit, not instalment loans. The figure that matters to a score is the one the statement dates report, which may differ from what the accounts show mid-cycle. Zero is allowed and describes lines fully paid down.
Total credit limit
The combined limit across the same accounts. Closing a card shrinks this denominator and raises the ratio without a single unit borrowed — the arithmetic behind the common advice to keep old cards open while managing utilization.
Target utilization
The share to aim for, supplied rather than looked up. The pack ships a commonly cited reference point as an illustrative default; the target that fits depends on the goal, and no scoring model’s threshold is embedded here.
Assumptions and limits
- One combined ratio is computed; the per-card utilization scoring models also read is not separated out.
- The figures are a snapshot — what a score sees is whatever the statement and reporting dates catch, which may differ from today’s balances.
- The target is a commonly cited reference, not a rule; no scoring model or bureau threshold is embedded.
- Limits are as reported by the issuers; pending limit changes and closed accounts move the denominator when they post, not when they are promised.
- A ratio at any target is one scoring input among many, not a score and not a lending decision.
What the guards protect against
- A zero or negative credit limit is refused — utilization against no available credit is undefined, and there is no target balance to pay down toward.
- A negative balance is refused: the ratio describes credit in use, and a refund credit sitting on an account is not negative utilization in any sense a score reads.
- A target above the whole of the limit is refused rather than answered, because aiming to owe more than the line extends is not a paydown goal the relation describes.
Provenance
Standard credit utilization reference ratio
The total revolving balance divided by the total credit limit, expressed as a percentage; the limit multiplied by the target share gives the balance at target, and the excess of the present balance over that figure — floored at nothing — gives the paydown needed.
Educational reference, not financial advice, and not any scoring model’s rule — the target is an input. The signed pack carries its own citation; the page reports the verification state of the release it mounted rather than asserting one.