Are you trying to calculate the 4th Quarter Estimated payment due Jan 15? You need to use the 2018 program for that. Or fill out your 2019 return as much as you can and make a payment based on the tax due.
Here are the blank Estimates and instructions…..
http://www.irs.gov/pub/irs-pdf/f1040es.pdf
Or you can pay directly on the IRS website https://www.irs.gov/payments
Be sure to pick the right kind of payment and year.....2019 Estimate
