5100 in words is expressed as Five Thousand One Hundred. For example, if you saved Rs. 5100 this month, you can say, “I saved Rupees Five Thousand One Hundred this month”. 5100 is a cardinal number as it denotes a certain amount. Place value charts enable students to determine the numerical name of any number. Hence, using a place value chart is vital while converting the numbers to words. This article provides detailed information about how to convert the number 5100 to words as well as how to spell in English words.