Free Gutter Estimate Calculator

Add up your true direct costs — labor including burden, materials with markup, and job extras like equipment or disposal. Add a contingency for surprises if the job has any. That's your break-even, the floor you never quote below. Then add your profit on top: price = break-even × (1 + profit%). This calculator runs exactly that math as you type, and shows the result both ways — what you added on to your costs, and what share of the final price that leaves you — because the two numbers are easy to confuse and quoting on the wrong one is how a job loses money.

Burden is everything an hour of labor costs beyond the paycheck: payroll taxes (typically 8–10% of wages), workers' compensation (a few percent for low-risk trades, well over 15% for high-risk ones like roofing or concrete), liability insurance, and paid time off. All-in burden commonly lands between 15% and 40% on top of base pay — and forgetting it is one of the most common ways a profitable-looking job loses money. If you're solo and paying yourself, you can leave it at 0%.

Markup is a percentage added on top of your cost; margin is your share of the final price. Adding 100% on top — charging double your costs — is the same thing as a 50% margin. Quoting a markup when you mean a margin is one of the most common ways contractors underprice a job, so this calculator keeps it simple: you enter what you add on top — no cap — and it always shows what share of the final price that leaves you.

Work backward from your own numbers instead of copying competitors: add up what you want to earn in a year plus every cost of being in business, then divide by your realistic billable hours — most gutter installers & cleaners bill far fewer hours than they work. That result is your floor. Local demand, licensing, and skill decide how far above it you can go.

Somewhere between 15% and 50% is common practice across the trades, and it isn't padding: the markup pays for sourcing time, supply runs, returns, warranty callbacks, and the money you float between buying materials and getting paid. If the customer supplies materials, price the labor accordingly — you still carry the workmanship risk.

Most of it is what is behind the gutter. Take a run down and the fascia is soft for eight feet, the hidden hangers were screwed into nothing, or somebody spiked straight through an older gutter that is still hanging up there. Spikes seize and shear, and pulling forty of them out of oak fascia is an afternoon nobody quoted.

Houses settle, so a run that measured straight will not hang straight, and the low spot you came to fix moves down the line. Weather sets the pace more than skill does. Wet packed leaves come out by hand, a frozen trough waits for a thaw, and you do not set a ladder in gusts.

Then the supply house. A color that was standard fifteen years ago is not stocked, so a section repair turns into a whole run to match, and a bay window or a level change means fabricating miters on site instead of running coil. Add the ground itself: a deck, a sunroom, a steep bank or a bed of shrubs under the eave means staging before any work starts, and staging is where the hours in this trade actually go.

Gutter looks like a labor trade because the main material arrives as a roll. Seamless coil runs off the machine to length, so there is no cut waste on a straight run, and the real waste is in color. Open a roll for one bronze house and you own the rest of that roll until the next bronze house calls.

Copper and zinc are another business entirely and move with the metal market, so a measure taken in spring will not hold in fall. Aluminium moves less sharply but it does move, and gauge is a real cost difference rather than a spec on paper.

What gets miscounted is everything that is not coil. Hangers at 24 inches on center across a whole house is a real count, not a guess, and elbows go two or three deep at every drop before you add offsets for a deep soffit. Downspout comes in 10-foot sticks and short offcuts are scrap. Guards come in fixed panel lengths, so round each run up whole. Sealant is what you run out of — and screws, rivets, splash blocks and underground fittings are bought by the box and spent by the house.

Free and unlimited, no account needed. The math runs in your browser and your pricing setup saves only on your own device — we never see your numbers. Printing or sending the estimate it makes counts as a document: your first 2 are free, with no account.