Quarterly Tax Due Dates (IRS 1040-ES)
- Q1 Voucher: Due April 15
- Q2 Voucher: Due June 15
- Q3 Voucher: Due September 15
- Q4 Voucher: Due January 15 (of following tax year)
1099 Net Business Income Projections ($85,000 Net Income, Single)
| Tax Component | Calculation Basis | Annual Amount | Quarterly Voucher Payment |
|---|---|---|---|
| Self-Employment Tax (15.3%) | 92.35% of Net Income × 15.3% | $12,010.00 | $3,002.50 / quarter |
| Federal Income Tax | Net Income minus SE Tax Deduction | $8,820.00 | $2,205.00 / quarter |
| State Income Tax (5%) | Net Income × State Rate | $4,250.00 | $1,062.50 / quarter |
| Total Combined Tax | Combined Annual Tax Obligation | $25,080.00 | $6,270.00 / quarter |
Frequently Asked Questions
Who is required to pay quarterly estimated taxes?
Freelancers, 1099 contractors, small business owners, and investors who expect to owe $1,000 or more in federal income tax must pay quarterly estimated taxes to the IRS.