String gauges are greatly important when choosing the right acoustic strings for the guitar. The guitar string gauge refers to the diameter, with the lighter gauges starting at .010 of an inch and the heavier gauges at .014. In addition to comfort and playability factors, the incorrect string set can damage the guitar. Below are the five main string gauge sets:

1.Extra Light(10’s): .010 .014 .023 .030 .039 .047
2.Custom Light(11’s): .011 .015 .023 .032 .042 .052
3.Light(12’s): .012 .016 .025 .032 .042 .054
4.Medium(13’s): .013 .017 .026 .035 .045 .056
5.Heavy(14’s): .014 .018 .027 .039 .049 .059

lWhat kind of string gauge should you choose?

  1.Sound
In general, the light gauge is quieter with less sustain, and produces more buzzing. On the other hand, heavy gauges are louder with more sustain. 

2.Style of play
Typically, the heavier gauge is a better choice if you prefer to play rock, blues, and country music. Lighter gauges are more popular for folk music. If you play both strumming and finger-picking, the medium gauge is an option worth considering.

3.Playability
Lighter gauges are easier to play with and bend, while heavy gauges require more pressure. 

4.Lifespan
The strings of a guitar will be corrosion and friction because of playing. Lighter gauge strings have a shorter lifespan than heavier gauge strings, and medium gauge strings are between them. 

Acoustic string materials

2.Nickel bronze
This material has a natural-sounding that doesn't affect the guitar's tone. This type of acoustic string can bring out the tone of the guitar rather than the string itself.

4.Aluminum bronze
Aluminum bronze provides a crisper sound than bronze.

6.Polymer coating
Corrosion-resistant strings won't rust and last longer than uncoated strings.

8.Silk and steel
This type of string is perfect for folks music players who want a softer sound and easier to play.

  1.Construction techniques

The string material is wrapped tightly around the core. Roundwound is the most common and easiest method of string winding, and most strings are made up with this construction method.