Calculato

Offers a wide range of medical topics calculations.

Current features:

• BMI Calculator

Add this line to your application's Gemfile:

gem 'calculato'

And then execute:

bundle

Or install it yourself as:

gem install calculato

Calculating the BMI for a person with 5'0'' 155lbs

require 'calculato'

Calculato::BMICalculator.calculate(5, 0, 155)
# 30.3

Calculating the BMI for a perosn with 70'' 170 lbs

Calculato::BMICalculator.short_calculate(70, 170)
# 24.4

Calculating the BMI category

require 'calculato'

Calculato::BMICalculator.category(15)
# "Very severely underweight"

BMI Categories

require 'calculato'

Calculato::BMICalculator::CATEGORIES
# {0..15=>"Very severely underweight",
#  15..16=>"Severely underweight",
#  16..18.5=>"Underweight",
#  16..18.5=>"Underweight",
#  18.5..25=>"Normal (healthy weight)",
#  25..30=>"Overweight",
#  30..35=>"Obese Class I (Moderately obese)",
#  35..40=>"Obese Class II (Severely obese)",
#  40..45=>"Obese Class III (Very severely obese)",
#  45..50=>"Obese Class IV (Morbidly Obese)",
#  50..60=>"Obese Class V (Super Obese)",
#  60..99=>"Obese Class VI (Hyper Obese)"}

After checking out the repo, run bin/setup to install dependencies. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/ByteDecoder/calculato.