How to tell a girl from a boy?

Are you tired of getting the gender wrong and embarrassing yourself? Are you trying to figure out if that person you’re interested in is male or female? Or are you just curious about how to differentiate between the two genders in general? Have no fear, this article will cover everything you need to know on how to tell a girl from a boy.

Gender Explained

Before we dive into differentiating between males and females, let’s quickly go over what gender actually means. We all know that every human being is either born male or female but it’s also important to recognize that not everyone identifies with their assigned gender at birth. There are those who identify as non-binary, transgender, or even genderqueer. However, for the purposes of this article, we’ll be focusing solely on identifying biological males and females.

Biology Basics

To start things off, let’s establish some basic biology terms:


Chromosomes are bundles of DNA found inside cells which determine an individual’s sex chromosomes XX (female) or XY (male).


Hormones are chemical messengers produced by various glands throughout the body which play vital roles in sexual development during puberty.

Reproductive organs

These differ depending on biological sex: females have ovaries while males have testes.

Now let’s move onto the main event…

Physical Characteristics

There are many physical characteristics unique to each sex but here we’ll narrow them down into categories based on what part(s) of the body they correspond with.


  • Hair: Males tend have thicker hair than females.
  • Forehead: Females tend to have smooth foreheads while males’ foreheads ridge more prominently.
  • Jawline: Females typically have rounder jawlines whereas men typically have wider jaws ending in sharper chins.
  • Facial hair: It may seem obvious but facial hair is a surefire way to distinguish between males and females.


  • Height: On average, men tend to be taller than women.
  • Body shape: Females tend to have a more hourglass figure while males typically have broader shoulders with an inverted pyramid shaped upper body.
  • Musculature: Men generally have larger muscles than women.
  • Breasts: While not always accurate, breasts are often associated with biological females unless it’s moobs we’re talking about.

Hands and Feet

  • Hands: Males hands’ tend to be larger and wider in comparison to female hands.
  • Fingers: In general, male fingers are longer than female fingers especially the ring finger.
  • Feet size – Men’s feet tend is on average bigger than those of their female counterparts.


Another tell-tale sign when trying to differentiate between males and females is of course their voice!

Male Voices

Males voices can sound deeper as they naturally produce lower pitched sounds (however high-pitched voices do exist).

Female Voices

Females’ vocal cords differ from those of males which lead them having higher pitch level

If you’re really struggling identify people by gender based on voice alone, simply use ”’they/their’ pronouns, rather than ‘he/him’ or ‘she/her’, while conversing –it’ll save you unnecessary slips up


Although clothing isn’t indicative of someone’s gender identity nor sex at birth there are still some fashion trends more commonly embraced by certain genders.

Typical male dress trend include:

Trousers or shorts worn mostly alongside shirts paired with shoes such as sneakers or loafers

Typical female dress trends include:

Dresses a top t shirt-and-skirt combo worn together with heels/flats .

Now that you’ve got an arsenal tips it should become easier for even the least observant among us to better tell girls from boys. Just remember it’s not a formula that works 100 per cent percent of the time so if you’re ever in doubt just follow up on this tip given earlier with ‘they/their pronouns’ and keep it moving!

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