Free financial tools
Start with a specific question. Explore calculators and planning tools for your taxes, debts, and family decisions.
Explore the tools without creating an X1 account.
Cash Flow Index Calculator
Compare debts by how much monthly cash they lock up and rank payoff order.
Cash Flow · 2 minS-Corp Reasonable Salary Calculator
Explore a salary range using your role and business details, then review the assumptions with your CPA.
Tax · 3 minS-Corp Tax Savings Calculator
Estimate payroll-tax savings from an S-Corp salary split.
Tax · 3 minLLC vs S-Corp Tax Calculator
Compare payroll tax differences before you file Form 2553.
Tax · 4 minS-Corp Election Deadline Checker
Calculate the IRS 2-month 15-day deadline for elections.
Tax · 2 minQBI Deduction Calculator
Estimate your QBI deduction using 2026 thresholds.
Tax · 4 minEstimated Tax Safe Harbor Calculator
Calculate the minimum quarterly payments to reduce penalty risk.
Tax · 2 minFamily Constitution Starter
Draft your family’s values and decision rules, then discuss the draft together.
Planning · 10 minFamily Office Blueprint
Explore a plan for your family’s responsibilities, decisions, and long-term priorities.
Blueprint · PreviewYear-End Tax Projection Signal Report
One-page estimate to highlight what is worth reviewing before Dec 31 and Jan 15 deadlines.
Tax · Year-endEstimated Tax Catch-Up Calculator
Check if your quarterly estimated payment needs attention before the deadline.
Tax · 2 minProperty Tax Appeal Calculator
See if your home is over-assessed and estimate potential annual savings from a successful appeal.
Tax · 1 minKeep exploring
S-Corp reasonable compensation
Prepare for a conversation about salary and business income.
Read moreEstate plan review checklist
Organize the questions to bring to your attorney.
Read moreFamily constitution guide
Consider the values, roles, and decisions your family shares.
Read moreTax review in X1
Connect your tax questions to the rest of your household.
Read moreFamily wealth in X1
Bring your family's plans and responsibilities together.
Read moreYour documents in X1
Keep the information behind your decisions in one place.
Read moreYour financial life goes beyond one question.
X1 is an AI family office for complex households. Bring your accounts, businesses, properties, and the people you rely on into one picture. Start with what matters to your family.