Quarterly Estimated Tax Calculator
To avoid underpayment penalty, pay the lesser of 110% of last year's tax (high earners) or 90% of this year's projected tax.
Safe harbor target
$30,800
Required total
$30,800
Net owed (after WH)
$30,800
Per quarter
$7,700
Quarterly schedule
- Q1 — due April 15$7,700
- Q2 — due June 15$7,700
- Q3 — due September 15$7,700
- Q4 — due January 15 (next year)$7,700
Recommended tax software · advertiser disclosure
TaxSlayer Self-Employed
Lower-cost alternative for Schedule C with quarterly estimate tools.
Best for: Side-hustlers comparing TurboTax pricing · anyone making quarterly payments
We may earn a commission when you sign up through this link. This does not affect your price or our calculator results.