What Is a Combined LTV Calculator?

A combined loan-to-value calculator adds every mortgage secured by a property and divides the total by the property's value. The result, known as CLTV, is the figure lenders use when a second lien sits behind a first mortgage. It captures leverage that the first loan alone conceals, and it drives both approval and pricing for home equity borrowing and refinancing.

A closely related measure, the high combined ratio or HCLTV, substitutes the full credit limit on a home equity line for the amount currently drawn. Because an undrawn limit can be accessed at any time, lenders underwrite against the potential lien rather than the present one. That distinction explains why an untouched credit line can still limit how much additional borrowing a property supports.

How Combined LTV Is Calculated

The combined ratio adds the first mortgage balance to the drawn balance on the second mortgage or line, then divides by the property value and multiplies by one hundred. The high combined version adds the first mortgage to the full credit limit instead. Equity is the property value less all liens, and it can be expressed either in dollars or as a percentage of value.

Borrowing capacity follows from the ceilings lenders apply. Multiplying the property value by eighty, eighty- five or ninety percent gives the maximum total lien at each threshold, and subtracting existing liens shows how much additional borrowing each threshold permits. Where those results are zero or negative, the property is already at or beyond the limit on a combined basis.

Understanding Your Results

The primary card reports the combined ratio with a verdict banded around the conventional eighty percent line, and the three statistics beside it give the first-lien ratio, the high combined ratio and remaining equity. The breakdown table lists the value, each lien, the undrawn limit, equity and the borrowing room at eighty, eighty- five and ninety percent combined.

Summary Statistics collects the same figures together with the maximum total liens at each threshold. One structural point is worth remembering: a piggyback structure keeps the first mortgage at eighty percent to avoid mortgage insurance, but the second lien typically carries a higher rate, so the comparison is between a recurring insurance premium and a higher rate on a smaller balance. Run both scenarios through a payment calculator before choosing, and remember that a lower appraised value raises every ratio at once.