California Quarterly Tax Estimator
California Estimated Quarterly Tax Calculator
Calculate your quarterly tax payments for both federal and California state taxes as a self-employed individual or freelancer.
Use Safe Harbor Method
Include Additional Medicare Tax
Total Federal Tax: $25931.47
Total CA Tax: $6482.23
Remaining to Pay: $32413.71
Significant Quarterly Payments Required
You have substantial quarterly payments due. Consider increasing withholdings or adjusting estimates to avoid penalties.
Self-Employment Tax: $10597.16
Federal Income Tax: $15334.31
CA State Tax: $6482.23
Total Remaining: $32413.71
Quarterly Payment Schedule
Total Annual Tax: $32413.71
Remaining to Pay: $32413.71
Payment Schedule by Quarter
Q1 - April 15, 2025$8427.54
Federal (25%)$6482.87
California (30%)$1944.67
Q2 - June 16, 2025$9075.76
Federal (25%)$6482.87
California (40%)$2592.89
Q3 - September 15, 2025$6482.87
Federal (25%)$6482.87
California (0%)$0.00
Note: California has no Q3 payment (0%). All Q3 payment is federal only.
Q4 - January 15, 2026$8427.54
Federal (25%)$6482.87
California (30%)$1944.67
Tax Components Breakdown
Self-Employment Tax:$10597.16
Federal Income Tax:$15334.31
CA State Income Tax:$6482.23
Total Annual Tax:$32413.71
What This Calculator Includes:
Self-employment tax calculations (Social Security & Medicare)
Federal and California quarterly payment schedules
