Free resources for small business owners
Guides, calculators, checklists and a deadline calendar, all free and all written by the people who do this work every day. Start with whatever you are stuck on.
What are you looking for?
Four kinds of help, all free.
All guides
In-depth answers on forms, entities and deadlines.
Browse the guidesAll calculators
Free calculators for payroll, self-employment and quarterly taxes.
See the calculatorsFree checklists
Tick-off lists for tax time, year end and a new business.
See the checklistsThe blog
70 short answers to the questions owners ask us most.
Browse the blogRun the numbers.
Paycheck calculator, take-home pay for 2026
Take-home pay after federal tax, Social Security, Medicare and your state rate.
Open the calculatorSelf-employment tax calculator for 2026
Social Security and Medicare on your net profit, with the $184,500 wage base.
Open the calculatorSales tax calculator
Add sales tax to a price or back it out of a total, at any rate.
Open the calculatorProfit margin calculator
Gross margin, net margin and markup from your revenue and costs.
Open the calculatorRead the rules.
The 2026 tax brackets and rates
Every 2026 bracket, capital gains rates and the other numbers that changed.
Read the guide401(k), IRA and HSA limits for 2026
401(k) $24,500, IRA $7,500, HSA $4,400 or $8,750, and catch-up amounts.
Read the guideSmall business tax deductions, the 2026 list
The deductions owners use most in 2026, with the rule for each.
Read the guideS-Corp vs LLC, and when the election pays off
Worked examples at three profit levels, salary and state rules.
Read the guideStay ahead of deadlines.
The calendar and the lists we use with clients.
Tax deadlines for 2026 and 2027
Every federal date in one calendar, filtered by who you are.
See the calendarTax return document checklist
Every income form, business record and deduction to gather before tax time.
Open the checklistYear-end bookkeeping checklist
Reconcile, clean up customers and vendors, count inventory and close the year.
Open the checklistNew business setup checklist
Structure, formation, EIN, bank account, state taxes and books, in order.
Open the checklistTell us what's messy. We'll tell you what it takes.
Tell us what you need and get a fixed price before any work starts. No pressure and no contract.