# How much louder is 70 dB than 50 dB?

A 70-dB dishwasher will sound roughly four times as loud as a 50-dB refrigerator, but the sound it produces is 100 times more strong in terms of acoustic intensity. Therefore, it can be said that 7 meters (23 ft) away from the dishwasher, someone would need to hear 100 times less noise to be able to notice it.

In other words, if you double the distance, you reduce the noise by half. Thus, at 10 meters (33 ft), someone could easily hear the dishwasher if it was set at 50 dB.

However, setting the dishwasher at 70 dB would make it impossible for most people to ignore. At this level, the dishwasher would be equivalent in loudness to a truck driving by every 15 minutes!

This shows how sensitive we are to noise. The only way to truly avoid hearing damage from noisy appliances is not to listen to them at all. However, this isn't always possible so it's important to know how much noise they are actually producing so that you can adjust your listening levels accordingly.

## How much louder is 70 dB than 50 dB?

Nonetheless, a 10-dB difference signifies a tenfold increase in intensity.

These numbers can be hard to understand at first glance, so let's use some real-world examples to make things clearer. If you were standing in a quiet room and shouted "fire!" then the sound level would be 20 decibels (dB). If you then walked into the same room and turned on a radio at 40 dB, the fire alarm would be almost impossible to hear over the noise of the radio. A police siren is about 110 dB, which is too intense to listen to for more than a few seconds at a time.

Now imagine that instead of walking into the room with the radio, someone else entered the room and started blasting away with a shotgun. The sound level in the room would now be 120 dB—a sound far too powerful to be heard with the human ear.

Dishwashers reach levels of 140 dB. Refrigerators can get as high as 90 dB. Hair dryers can reach 180 dB or more. Fire engines can reach 200 dB or more.

## Is 46 dB loud?

Most dishwashers have a noise level of 46-60 dB, and anything under 45 dB is regarded very quiet. Dishwashers are really silent, and while they're running, they sound like rain. Dishwashers that produce more than 60 decibels of noise are regarded rather noisy and are significantly less prevalent. Most households have dishwashers that fall into the quieter range; those with louder models may want to consider moving into a house with others who use dry cleaning instead of washing their dishes by hand.

The noise level of a dishwasher depends on several factors such as type, model, age, make/manufacturer, how it's used etc. The noise level can be as low as 36 dB or as high as 72 dB. A dishwasher's volume controls how loud it is when it's running; it can be set from none at all to high. High settings are recommended for best performance but should not be used regularly because they use more electricity and wear out faster. Dishes will get clean, shiny results regardless of setting so you don't need to constantly adjust it while it runs.

Dishwashers work by spraying water onto the dishes in a cyclical pattern to remove soil and clean them. The sprayer is activated by a motor and there are two types of motors used: single-speed and dual-speed. Single-speed motors spin fast but only go one direction, whereas dual-speed motors can turn either forward or reverse.

## How loud is 78 decibels?

Every day, we are exposed to a wide range of noises. Sounds that are extremely loud or that are too loud for an extended period of time might harm your hearing. The volume of a sound is measured in decibels (dB)... The Definition of Decibels

Decibel LevelSource
70 dBVacuum cleaner, hair dryer
75 dBDishwasher
78 dBWashing machine
80 dBGarbage disposal, city traffic noise

## How many times is 80 dB louder than 60?

Decibels are used to measure loudness (dB). Loudness rises rapidly as decibels climb. A 10-dB increase is a 10-fold increase in loudness. That is, an 80-dB sound (a vacuum cleaner) is ten times louder than a 70-dB sound (a phone ringing) and one hundred times louder than a 60-dB sound (normal conversation).

Determining the relative loudness of two sounds requires comparing their levels. The level of a sound is measured in decibels (dB). Before computing the relative level of two sounds, it is important to establish which type of sound they are: sine waves or bursts.

If they are sine waves that last for a long time, such as music, then you need to compute their absolute level in decibels and compare them. If they are short bursts, such as gun shots, then you need to compare their peak levels in decibels and multiply them together.

In mathematics, exponentiation is the only operation that produces results whose magnitude is not limited by the magnitude of its operands. Thus, raising a number to any power greater than 1 always produces a result that is at least as large as the number being raised to the first power. For example, if you raise 100 to some integer power, you will always get a number larger than 100.

This property makes exponents useful in scaling up numbers so they can be compared visually or using computers.

##### Lynn Surface

Lynn Surface is a lover of all things home and design-related. She loves to create spaces that are inspiring and comfortable at the same time. Lynn has an eye for detail and the ability to know what pieces of furniture or decor can make or break a space.

#### Disclaimer

GrowTown.org is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.