Benchmarked tables
2024.4
IRS schedule revision active
50
State tax models calibrated
< 60s
Average calculation run time
Dedicated engines
Three primary instruments
Every model isolates specific independent contractor liabilities without behind-the-scenes bundling or mandatory account setup.
Quarterly Tax Estimator
True Hourly Rate Model
Schedule C Deduction Auditor
Calculates combined federal SECA and state income obligations per quarterly voucher window with annualized safe-harbor options.
Translates targeted net annual take-home into required gross billing rates after deducting non-billable hours, health premiums, and overhead.
Tests everyday operational expenses against federal write-off thresholds to verify bottom-line impact on net business profit.
Operational thesis
Self-employment should not require guessing your actual margins after SECA obligations. Accurate arithmetic protects independent livelihoods better than optimistic revenue theories.
Ledger1099 Systems Architecture
Test your current invoice totals against updated federal tables with zero registration required.