Beginner (6)
Calculate Sum of an Array of Numbers in Make.com
Master the sum() aggregator function in Make.com to total line item amounts.
Round Decimal Numbers in n8n using JavaScript Math
Practice rounding float numbers to two decimal places using Math.round() ortoFixed() in n8n.
Round a Number with round() in Make.com
Practice rounding decimal numbers to the nearest whole number in Make.com.
Calculate an Average with average() in Make.com
Practice calculating the average of an array of numbers using Make.com's average() function.
Find the Highest Value with max() in Make.com
Learn how to get the largest number from an array with max() in Make.com.
Convert a String to a Number in n8n
Learn how to convert numeric strings to real numbers with parseInt() or Number() in n8n.
Intermediate (2)
Advanced (3)
Format Numbers with Thousands Separators in Make.com
Master formatNumber() in Make.com, including the decimal and thousands separator arguments that trip up most users.
Sum a Field Across Line Items with sum(map()) in Make.com
Combine map() and sum() in Make.com to total a field across an array of collections — no Iterator needed.
Sum Values with reduce() in n8n
Master reduce() in n8n expressions to calculate totals from an array of line items.