Peloton Power Zone Calculator

pelotonFTP.sh

#!/usr/bin/env bash

# AJAlabs.com
#
# Peloton Power Zone Calculator
# v0.3
#
# LICENSE: MIT LICENSE (https://opensource.org/licenses/MIT)


set -e

# Colors
txt_red="\033[31m"    # Red
txt_green="\033[32m"  # Green
txt_yellow="\033[33m" # Yellow
txt_blue="\033[36m"   # Blue
txt_reset="\033[0m"   # Reset the prompt back to the default color


# Let's get started
clear
echo -e "$txt_blue""Peloton FTP Power Zones Calculator\n""$txt_reset"
echo -e "$txt_blue""This script will calculate your Peloton FTP Power Zones based on your 20 minute average output.\nPlease see the following link for more information.\nhttps://blog.onepeloton.com/power-zone-rides-everything-need-know ""$txt_reset"

echo -e "$txt_green""\nType your 20 minute average output, then press [ENTER]:""$txt_reset"
read averageOutput

# While $averageOutput is blank or not a valid integer, loop user input prompt.
until [ $averageOutput -eq $averageOutput 2> /dev/null ] && [ $averageOutput != '' 2> /dev/null ]; do
  echo -e "$txt_red""\nPlease enter your 20 minute average output using only numbers, then press the enter/return key:""$txt_reset"
  read averageOutput
done

# Determine FTP which is 95% of the 20 minute average output
ftp=$((($averageOutput*95)/100))

# Determine Zone 1 (55% of FTP)
zoneOne=$((($ftp*55)/100))

# Determine Zone 2 (56-75% of FTP)
zoneTwoStart=$((($ftp*56)/100))
zoneTwoEnd=$((($ftp*75)/100))

# Determine Zone 3 (76-90% of FTP)
zoneThreeStart=$((($ftp*76)/100))
zoneThreeEnd=$((($ftp*90)/100))

# Determine Zone 4 (91-105% of FTP)
zoneFourStart=$((($ftp*91)/100))
zoneFourEnd=$((($ftp*105)/100))

# Determine Zone 5 (106-120% of FTP)
zoneFiveStart=$((($ftp*106)/100))
zoneFiveEnd=$((($ftp*120)/100))

# Determine Zone 6 (121-150% of FTP)
zoneSixStart=$((($ftp*121)/100))
zoneSixEnd=$((($ftp*150)/100))

# Determine Zone 7 (151% of FTP)
zoneSeven=$((($ftp*151)/100))

# Output the Power Zones
echo -e "\n$txt_blue""FTP: $ftp""$txt_reset"
echo -e "$txt_blue""Zone 1: < $zoneOne""$txt_reset"
echo -e "$txt_blue""Zone 2: $zoneTwoStart to $zoneTwoEnd""$txt_reset"
echo -e "$txt_blue""Zone 3: $zoneThreeStart to $zoneThreeEnd""$txt_reset"
echo -e "$txt_blue""Zone 4: $zoneFourStart to $zoneFourEnd""$txt_reset"
echo -e "$txt_blue""Zone 5: $zoneFiveStart to $zoneFiveEnd""$txt_reset"
echo -e "$txt_blue""Zone 6: $zoneSixStart to $zoneSixEnd""$txt_reset"
echo -e "$txt_blue""Zone 7: > $zoneSeven""$txt_reset\n"

@ctmay4 Thanks for refactoring and fixing the bug. Looks great! I updated the script to v0.2.