Loan calculator widget Estimated reading: 1 minute 257 views Contributors Summary: Building a loan calculator starts with defining loan parameters, such as principal, interest rate, and term. Next, implement formulas to calculate payments and interest. An interactive tool greatly benefits users planning future loans. Building a loan calculator involves several steps. Here’s a basic outline of how you could approach it: Loan calculator widget - PreviousWidgets / SidebarsNext - Loan calculator widgetTips / Guides / Troubleshoots