PMT
 
Purpose 
Returns the payment (PMT) required by the term, interest rate, and principal.
Format 
PMT(principal;interestRate;term)
Parameters 
principal - principal amount.
interestRate - interest rate. If the interest rate is annual, divide the rate by 12.
term - length of time, expressed in number of months.
Data type returned 
number
Originated in 
FileMaker Pro 6.0 or earlier
Description 
Use this function to calculate PMT.
Equation
Examples 
In the following example, the PMT function calculates payments for purchasing a sports car costing $21,000, at an annual rate of 6.9% over 48 monthly payments.
PMT(21000;.069/12;48) returns the payment amount $501.90.
PMT(Cost;.13;Years) returns a payment amount, based on the purchase value stored in Cost, at a 13 percent rate, over the duration stored in Years.
“Your payment will be ” & PMT(150000;.13/12;Months) & “.” returns Your payment will be, followed by the payment amount, based on a total cost of $150,000, at a 13 percent annual percentage rate, over the duration stored in Months.
Related topics 
Functions reference (category list)
Functions reference (alphabetical list)
About formulas
About functions
Defining calculation fields
Using operators in formulas