Depending upon your other tax details, you may end up owing a lot. And if you do, you'll have to pay extra. So if you believe you'll owe, then you should definitely make an estimate payment to cover it.
The easiest way to make an estimate payment is online:
https://www.irs.gov/payments
If you prefer, you can fill out a 1040-ES and mail in a check. You can get a blank 1040-ES and instructions here:
https://www.irs.gov/pub/irs-pdf/f1040es.pdf
Nick K, EA
