Tax tools
Explore a tax question before your next conversation with your CPA.
Explore the tools without creating an X1 account.
S-Corp Reasonable Salary Calculator
Find a defensible salary range and pressure-test payroll tax risk.
3 minS-Corp Tax Savings Calculator
Estimate payroll-tax savings from an S-Corp salary split.
3 minLLC vs S-Corp Tax Calculator
Compare payroll taxes before you file Form 2553.
4 minS-Corp Election Deadline Checker
Calculate the IRS 2-month 15-day election deadline.
2 minQBI Deduction Calculator
Estimate your QBI deduction using 2026 thresholds.
4 minEstimated Tax Safe Harbor Calculator
Calculate the minimum quarterly payments to reduce penalty risk.
2 minEstimated Tax Catch-Up Calculator
Check if your next estimated payment needs attention before the deadline.
2 minYear-End Tax Projection Signal Report
See what is worth reviewing before Dec 31 and the Jan 15 deadline.
Year-endProperty Tax Appeal Calculator
Estimate potential savings if your home looks over-assessed.
1 minKeep exploring
S-Corp election deadline
Know the filing window before you lock in your next tax year.
Read moreS-Corp reasonable compensation
A plain-English checklist for defensible salaries.
Read moreQBI deduction planning
See where QBI can help and where it falls short.
Read moreEstimated tax catch-up
A short guide for closing gaps before the deadline.
Read moreYear-end tax planning
What to review now so April feels easy later.
Read moreLLC vs S-corp guide
A plain-English comparison of the tax tradeoffs.
Read moreYour financial life goes beyond one question.
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