Snow Removal Calculator
Deicer Needed
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Estimated Shovel/Plow Time
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Snow Volume
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Snow Weight
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Planning for Snow Removal
Effective snow removal requires planning the right amount of deicer and estimating the labor involved. This calculator helps you determine how much salt or chemical deicer you need based on the area, snow depth, and deicer type. It also estimates the time needed to clear the snow manually.
Rock salt (sodium chloride) is the most common and affordable deicer, effective to about 15 degrees F. Calcium chloride works in colder temperatures (down to -25 degrees F) and requires less material. Magnesium chloride is gentler on concrete and vegetation. Sand provides traction but does not melt ice.
Average snow weighs about 15 pounds per cubic foot, but this varies widely: light fluffy snow weighs 5-10 lbs/cu ft, while wet heavy snow can weigh 20-30 lbs/cu ft. A 6-inch snowfall on a 2-car driveway (800 sq ft) can weigh over 3,000 pounds, which is why snow shoveling is physically demanding and a common cause of heart attacks in winter.
Frequently Asked Questions
How much salt do I need per square foot?
Apply rock salt at about 2-4 pounds per 1,000 square feet for light snow. For heavy snow, increase to 4-8 pounds. Calcium chloride requires about half as much. Over-salting damages concrete and harms vegetation.
When should I apply deicer?
Apply deicer before the storm if possible (anti-icing) to prevent bonding. If applying after, remove as much snow as possible first, then apply deicer. This uses less material and is more effective.
Is salt bad for concrete?
Regular rock salt can damage concrete, especially new concrete. Calcium chloride and magnesium chloride are less damaging. Avoid deicers on concrete less than one year old. Seal concrete annually for protection.
How long does it take to shovel a driveway?
A typical 2-car driveway (800 sq ft) with 6 inches of snow takes about 45-90 minutes to shovel by hand. A snow blower can cut this to 15-30 minutes. Plowing services can clear it in 5-10 minutes.
What temperature does rock salt stop working?
Standard rock salt (sodium chloride) becomes ineffective below about 15 degrees Fahrenheit (-9.4 degrees Celsius). Calcium chloride works down to -25 degrees F and is more effective at lower temperatures but costs roughly twice as much. Magnesium chloride is effective to about 0 degrees F and is less damaging to concrete and vegetation. For extremely cold conditions, sand or gravel provides traction without any melting action.
How much does snow weigh per cubic foot?
Snow weight varies dramatically by moisture content. Light fluffy powder snow weighs 5 to 10 pounds per cubic foot, average snow weighs about 15 pounds per cubic foot, and wet heavy snow can weigh 20 to 30 pounds per cubic foot. A 6-inch snowfall on a typical 2-car driveway (800 square feet) creates 400 cubic feet of snow weighing approximately 3,000 to 6,000 pounds depending on moisture content. This is why snow shoveling is physically demanding and a documented risk factor for heart attacks.