Free planning tool
Estimated tax & extension calculator
Estimate your federal quarterly tax payment or extension balance. More detailed than most, so take your time with each section.
What are you calculating?
Select your payment period and confirm your filing details.
Payment type
The IRS requires most self-employed people to pay taxes quarterly. Choose your period, or "Extension balance" if you filed an extension.
Filing status
Want someone else running these numbers every quarter?
Collective handles your bookkeeping, payroll, and taxes year-round, so your estimated payments are worked out for you and nothing lands on your desk as a surprise.