7 Best Free Online Ape Index Calculator Websites

Here is a list of the best free online ape index calculator websites. Ape Index is slang that is used to describe the ratio of the wingspan and height. Wingspan or arm span is the measurement between the tips of the fingers when arms are spread straight wide. As per the ape index, the arm span should be equal to the height of the body. In that case, the body has a perfect ape index ratio which is 1. The perfect ape index is an ideal human-body ratio. Not having a perfect ape ratio is not bad. In fact, it is said that having an ape index greater than 1 can be a competitive advantage.

This post covers 7 free websites where you can calculate your ape index ratio. Each of these websites has an ape index calculator where you can add your wingspan/arm span and height to determine the ratio. All these calculators are identical in terms of the ape ratio calculation. However, some can work with multiple measurement units. This allows you to put your measurements in your locale unit system instead of converting to the supported unit system first. You can go through the post and check these out yourself.

My Favorite Online Ape Index Calculator

OmniCalculator.com is my favorite ape index calculator website on this list. The calculator is simple to use and gives the output instantly. It supports 56 different measurement units and lets you switch the unit for each value individually.

You can check our other lists of the best free Health Symptom Checker Services, Pregnancy Calculator Online Websites, and Nutrition Analysis Software.

Table of Content

WebsitesApe IndexMeasurement Unit
OmniCalculatorMultiple
99Bouldersin/cm
BergFreundecm
Calculator Academyinches
Marfancm
StrengthInNumbersin/cm
PeterRohdein/cm

OmniCalculator.com

OmniCalculator.com has a free online ape index calculator. You can use this calculator to determine your ape ratio. All you have to do is enter your wingspan and height into the calculator. Next to the input, you get dropdowns to change the measurement unit for each input separately. When you add both values to the calculator, it almost instantly gets the ape index for that input. Along with the ape index, it also shows different small messages as per the outcome. There is an “advanced mode” in this calculator. When you toggle that mode, it shows the ape index using a different formula. This formula uses the difference between arm span and height.

Highlights:

  • This calculator determines the ape index from wingspan and height.
  • It has options to change measurement units for each input separately.
  • It has an advanced mode that shows the ape index using a different formula.

99Boulders.com

99Boulders.com is a free website with an online ape index calculator. It starts with the calculator itself and then explains the ape index. It shows two methods to calculate the ape index and lists the ape indices of famous climbers. Coming back to the calculator, you can pick from inches and centimeters to select the measurement unit for the calculations. Then you can simply add the wingspan and height as per the selected measurement unit. With that, the calculator shows you the ape index. First, it shows the ape index from wingspan and height. Then it also shows the ape index from the difference in wingspan and height.

Highlights:

  • This calculator calculates two ape indices (wingspan height ratio and difference).
  • You can enter the measurements either in inches or in centimeters.

BergFreunde.eu

BergFreunde.eu also has a free online ape index calculator. This is a simple calculator that has sliders to add height and arm span. It uses centimeters for both measurements. You can either use the sliders or enter the values directly. With both values, it gives you the ape index. It shows the ape index alongside the popular drawing by Leonardo da Vinci based on proportions identified by Vitruvius.

Highlights:

  • This calculator calculates the ape index from wingspan and height.
  • It takes the measurements in centimeters only.

Calculator.academy

Calculator.academy is another free website with an online ape index calculator. This calculator is quite simple with three parameters; wingspan, height, and Ape Index. The wingspan and height are in inches here. You have to add those values in inches only. With that, it gets you the ape index. Also, if you want to determine wingspan or height from the ape index, you can do that as well.

Highlights:

  • This calculator determines the ape index from wingspan and height.
  • The measurement unit is fixed to inches for both parameters.
  • It also shows the ape index formula with an explanation.

Marfan.org

Marfan.org is a health-focused website that offers various tools for the calculation of Systemic Scores. It has an ape index calculator where you can add your measurements along with the race. You can pick from Caucasian or Black. Then with the arm span and height in centimeters, you can get the ape ratio. Along with arm span and height, it also has an input field for the lower segment. You can add the height of the lower segment of the body to determine the upper and lower segment ratio as well.

Highlights:

  • This calculator calculates the ape index from arm span and height.
  • It can also calculate the ratio of the lower and upper segments of the body.
  • It takes the measurements in centimeters only.

Strengthinumbrs.com

Strengthinumbrs.com has an online ape index calculator. This calculator determines the ape ratio from the wingspan and height of the body. To do that, you have to enter the measurements of your wingspan and height. You can add the measurements either in inches or in centimeters. You can pick the desired measurement unit and then add your measurements. With that, it gives you the ape index of your body.

Highlights:

  • This calculator determines the ape index from wingspan and height.
  • It takes the wingspan and height measurements in inches or centimeters.

PeterRohde.org

PeterRohde.org is yet another free website where you can calculate the ape index online. It starts with an explanation of the logarithmic ape index. After scrolling through the explanations and formula, you finally get to the Logarithmic Ape Index Calculator. You can enter the wingspan and height in any measurement unit as long as you used the same unit for both. With that, it calculates the ape index. Along with the ape index, it also gives you the Logarithmic Gorilla Index, Logarithmic Honnold Index, and Beta coefficient.

Highlights:

  • This calculator calculates the ape index from wingspan and height.
  • It also calculates the Logarithmic Gorilla Index and Logarithmic Honnold Index.
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