The short answer
Your personal property limit, called Coverage C on a homeowners policy, should be at least equal to what it would cost to replace everything you own with new items today. That number has nothing to do with the price of your house, the size of your mortgage, or what you paid for your things years ago. It is the bill you would face if you had to walk into stores tomorrow and rebuy the contents of every room.
Most people never calculate that number. Their policy sets Coverage C automatically, usually at 50% of the dwelling limit, and it stays there untouched through years of purchases, renovations, and life changes. The calculator above replaces that shortcut with an estimate based on what you actually own.
How the calculator works
The calculator runs the same comparison an adjuster would after a total loss, in three steps:
- Your policy. Enter your dwelling limit (Coverage A) and, if you know it, your personal property limit (Coverage C). If you leave Coverage C alone, the calculator assumes the common 50% default. Then choose whether your policy pays replacement cost or actual cash value for belongings.
- What you own. For each type of room, enter how many you have and what it would cost to refurnish one from scratch. The starting values are rough placeholders for a typically furnished room; replace them with your own numbers.
- Items with special limits. Enter the value of jewelry, firearms, silverware, business equipment, and cash. These have their own caps that apply no matter how high your overall limit is.
The result compares what you own with what the policy would pay. The core formula is simple: payout = the lower of your Coverage C limit or the value of your belongings, where the value is reduced by depreciation if your policy pays actual cash value. Anything you own above that payout is your coverage gap.
Why the 50% default is often wrong
The 50% rule links two numbers that have little to do with each other. Your dwelling limit depends on square footage, construction materials, and local labor costs. Your belongings depend on how many people live with you, how long you have been accumulating things, and what you spend money on. Two households with identical houses can own very different amounts.
Consider two hypothetical homeowners with the same $350,000 dwelling limit and therefore the same $175,000 default Coverage C:
- Household A is a couple who recently downsized. They own modest furniture, a couple of laptops, and not much in storage. A room-by-room estimate comes to about $70,000. They are covered with plenty of room to spare.
- Household B is a family of five who have lived in the house for fifteen years. Four bedrooms, a finished basement, a garage full of tools and sports gear, a home office, and a closet of winter gear for every person add up to about $210,000. The default limit leaves them $35,000 short, before any depreciation.
The default can also drift out of date in the other direction. When rebuilding costs rise and your insurer increases the dwelling limit at renewal, Coverage C often rises with it, whether or not you bought anything new. The only reliable check is to estimate your belongings directly.
Replacement cost vs. actual cash value
How your policy values belongings matters as much as the limit. There are two common methods:
- Replacement cost value (RCV) pays what it costs to buy a comparable new item today. Many insurers pay the depreciated amount first and release the rest once you actually replace the item and send the receipt.
- Actual cash value (ACV) pays replacement cost minus depreciation. The older the item, the less you receive.
Here is how that plays out with a single item. A sectional sofa bought eight years ago would cost $3,000 to replace today. Under RCV you receive about $3,000. Under ACV, if the adjuster treats the sofa as having a ten-year useful life, it has lost 80% of its value and you receive around $600. Repeat that across an entire house and the difference can run into tens of thousands of dollars.
If your declarations page says actual cash value for personal property, choose that option in the calculator and set an assumed depreciation rate. The default of 40% is an assumption for illustration, not an industry figure; a household of mostly older furniture and electronics may see more. The fix is usually a replacement cost endorsement, which costs relatively little compared with the gap it closes.
Special limits: where high limits don't help
Even with a generous Coverage C limit, certain categories are capped. The standard ISO HO-3 homeowners form, which many insurers use or adapt, includes special limits like these:
| Category | Typical limit | Applies to |
|---|---|---|
| Money, bank notes, coins | $200 | Any covered loss |
| Securities, deeds, passports, tickets | $1,500 | Any covered loss |
| Watercraft and their trailers | $1,500 | Any covered loss |
| Jewelry, watches, furs, precious stones | $1,500 | Theft |
| Firearms and related equipment | $2,500 | Theft |
| Silverware, goldware, pewterware | $2,500 | Theft |
| Business property at home | $2,500 | Any covered loss |
Your policy may use different amounts, so check the special limits of liability under the personal property section. If you own more than the limit in any category, the standard fix is to schedule those items on a rider or personal articles floater. Scheduled items are usually covered for their appraised value, often against a broader set of risks such as accidental loss, and frequently with no deductible.
What people forget to count
Room-by-room estimates tend to miss the things that are not on display. Before you settle on a number, walk through these:
- Closets and drawers. Clothing, shoes, coats, and accessories for every person in the house often total more than the furniture in the bedroom.
- The kitchen, item by item. Cookware, knives, dishes, glassware, small appliances, and the pantry itself add up quickly.
- Garage and basement. Power tools, lawn equipment, bicycles, camping gear, holiday decorations, and anything in storage bins.
- Linens and bedding. Sheets, towels, blankets, and pillows for every bed and bathroom.
- Media and hobbies. Books, musical instruments, craft supplies, collections, and sports equipment.
- Things you would need immediately. Toiletries, medications, chargers, and cables are cheap one at a time but costly to replace all at once.
How to find your current limit
Your limits are on the declarations page, usually the first page or two of your policy documents and often downloadable from your insurer's website or app. Look for Section I property coverages. Coverage A is the dwelling, Coverage B is other structures, Coverage C is personal property, and Coverage D is loss of use. The same page, or the endorsements listed on it, should state whether personal property is valued at replacement cost or actual cash value, and list any scheduled items.
What to do if you're underinsured
- Raise Coverage C. Ask your agent to increase the personal property limit to your estimated total. Personal property limits can usually be raised independently of the dwelling limit.
- Switch to replacement cost. If your contents are valued at actual cash value, a replacement cost endorsement removes the depreciation gap.
- Schedule high-value items. Anything above a special limit, like an engagement ring or a gun collection, belongs on a rider with an appraisal.
- Document what you own. An estimate tells you the limit to buy; an inventory proves the claim. Photos, receipts, and serial numbers stored outside the house make the difference between a complete claim and a list rebuilt from memory.
A home inventory does double duty here: the same list that sets your limit is the evidence you hand the adjuster. For a step-by-step method, see our guide to documenting your home for insurance claims.
Renters and condo owners
Renters policies (HO-4) and condo policies (HO-6) do not derive personal property coverage from a dwelling limit, because the building belongs to the landlord or the association. You choose the Coverage C amount yourself, which makes an estimate even more important. Set the dwelling field to zero in the calculator, type your personal property limit directly, and use the room-by-room section as usual.
Keep the number current
Your belongings change faster than your house. Re-run the estimate at each renewal and after any of these events: moving, furnishing a new room, a marriage or a new baby, inheriting items, starting a home business, or a major purchase such as a piano, a home gym, or new electronics. Each is a moment when the gap between what you own and what you are covered for can widen without anyone noticing.
Want the whole policy, not just belongings? The home insurance coverage calculator estimates dwelling, other structures, loss of use, and liability as well.