Why does the box say 65 dB when it sounds much louder?

Because that figure is measured 50 feet away, which is the distance used in the ANSI B175.2 standard that most manufacturers cite and that many municipal noise ordinances are written around. Sound pressure falls roughly 6 dB every time the distance from the source doubles, so a blower reading 65 dB(A) at 50 feet is far higher at arms length. Manufacturers who publish both figures typically show 95 to 105 dB(A) at the operator ear for the same machine.

Are battery leaf blowers quieter than gas?

Generally yes, and the difference is in character as well as level. Battery models commonly rate in the high 50s to high 60s dB(A) at 50 feet against the high 60s to mid 70s for gas, and because the sound is dominated by air rush rather than a two-stroke engine, it lacks the low-frequency component that carries furthest and travels through walls. That low-frequency carry is why gas blowers generate most noise complaints even where the measured level is similar.

What decibel limit do city leaf blower ordinances use?

Sixty-five dB(A) at 50 feet is the most widely adopted threshold in US municipal codes, and many manufacturers design to it explicitly. Others set limits at the property line, restrict hours of use, or ban gas blowers outright in certain seasons. Because these rules are set locally and change frequently, check your own city or county code rather than relying on a general figure — an ordinance in the next town over may be completely different.

How loud is a leaf blower compared with other tools?

Roughly in line with a lawn mower and below a chainsaw at the ear. Published figures put a gas mower around 90 dB(A), a leaf blower 95 to 105, a circular saw about 100 to 110, and a chainsaw 110 or more. Because the decibel scale is logarithmic, a 10 dB increase represents about ten times the sound intensity, so those gaps are much larger than the numbers suggest.

Do ear plugs or ear muffs work for leaf blower noise?

Both are used widely for yard equipment. Hearing protectors sold in the US carry a Noise Reduction Rating on the package, and NIOSH notes that real-world attenuation is typically lower than the label figure because fit is rarely perfect. Muffs are easier to seat correctly; plugs need to be rolled and inserted properly to work as rated. This is general safety information rather than medical advice — if you have concerns about your hearing, speak with a qualified audiologist or physician.

How Many Decibels Is a Leaf Blower?

Written & researched by Elena Marsh Gardening & Landscaping Editor

Updated October 2026

Over-the-shoulder view of a person clearing autumn leaves from a driveway with a blower, in soft early-morning light

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Most leaf blowers are rated between 58 and 75 dB(A) measured at 50 feet, which is the distance manufacturers and municipal ordinances use. At the operator ear the same machines commonly measure 95 to 112 dB(A). Battery handheld models sit at the quiet end, around 58 to 68 dB(A) at 50 feet; gas handhelds run roughly 65 to 75; gas backpack blowers are the loudest at 70 to 80. The gap between the two figures is simply distance — sound pressure drops about 6 dB each time the distance from the source doubles.

What are the typical ratings by type?

These are the published ranges across current consumer machines. Individual models vary, and the figure a manufacturer prints is nearly always the 50 foot number because that is what noise ordinances reference.

Type	At 50 ft	At the operator ear
Battery handheld	58–68 dB(A)	~85–95 dB(A)
Corded electric	60–70 dB(A)	~90–100 dB(A)
Gas handheld	65–75 dB(A)	~95–105 dB(A)
Battery backpack	62–72 dB(A)	~90–100 dB(A)
Gas backpack	70–80 dB(A)	~100–112 dB(A)

Close-up detail of the material being worked in a leaf blowers & yard cleanup project, in bright midday sun

Why are there two completely different numbers?

Because they answer different questions. The 50 foot figure answers what the neighbors hear and is measured under the ANSI B175.2 standard, which is why so many city codes use 65 dB(A) at 50 feet as the threshold. The operator-ear figure answers what the person holding the machine is exposed to. Sound pressure falls by roughly 6 dB for each doubling of distance in open air, so going from 3 feet to 50 feet accounts for most of the 30 dB or so difference. Neither number is dishonest; they are just not interchangeable, and comparing a competitor quoted at the ear against a model quoted at 50 feet produces a meaningless comparison.

Overhead view of a person clearing autumn leaves from a driveway with a blower, in warm evening lamplight

How much difference does 10 decibels make?

Far more than it looks, because the scale is logarithmic. A 10 dB increase corresponds to roughly ten times the sound intensity, and is usually perceived as about twice as loud. So a 75 dB(A) gas blower is not marginally louder than a 65 dB(A) battery model — it is delivering about ten times the acoustic energy at the same distance. This is also why small quoted differences between competing models rarely matter in practice: a 2 dB gap is at the edge of what most people notice, while a 10 dB gap changes the experience completely.

Why do gas blowers generate more complaints at the same level?

Frequency content. A two-stroke engine produces substantial low-frequency energy, and low frequencies attenuate less over distance and pass through walls and windows far more readily than the higher-frequency air rush of a battery blower. That is why a gas machine measured at the same dB(A) as an electric one is still audible several houses away and inside closed rooms. Several municipalities that have restricted gas blowers cite this carry characteristic rather than the raw decibel figure. It is also the main practical argument for battery machines in dense neighborhoods, alongside the absence of exhaust — a point covered in gas vs battery leaf blower.

Wide view of a person clearing autumn leaves from a driveway with a blower, in warm late-afternoon light

What about hearing protection?

NIOSH sets a recommended exposure limit of 85 dB(A) averaged over an eight-hour day, and OSHA sets a permissible exposure limit of 90 dB(A) over the same period for workplaces, with allowable exposure time falling sharply as level rises. Operator-ear levels for most blowers sit above both figures, which is why hearing protection is standard advice for anyone running one for more than a few minutes. Protectors sold in the US carry a Noise Reduction Rating, and NIOSH notes that real-world attenuation is usually below the labeled figure because of imperfect fit. This is general safety information and not medical advice — if you have any concerns about your hearing, consult a qualified audiologist or physician.

Where to go next

Local rules are covered in leaf blower noise rules and are gas leaf blowers banned in California, both of which stress that ordinances are set locally and change often. To compare machines, our ranked best leaf blowers and best cordless leaf blowers score current models on aggregated owner ratings and recurring complaints, including noise. See also CFM vs MPH explained. Everything sits under the leaf blowers and yard cleanup hub.

We never buy or physically handle the products we rank — our recommendations come from aggregated owner reviews and expert consensus, and the method is on how we rank.