Free Tools
Tax Calculator
Use your annual revenue, expected profit margin, and effective tax rate to figure out a practical monthly and quarterly reserve.
Annual revenue target
$163.9K
This tool assumes a simple founder workflow: estimate revenue, apply a profit margin, then reserve tax from the profit instead of the top line.
Profit margin
35%
Use the margin you expect after software, ops, contractors, and other direct costs.
Effective tax rate
24%
This is a blended estimate, not a jurisdiction-specific filing calculation.
Taxable profit
$57,359
35% of $163,884 is treated as taxable profit in this estimate.
Estimated tax
$13,766
24% effective tax on the estimated profit.
Monthly reserve
$1,147
A clean monthly reserve target to move into a separate tax account.
Reserve breakdown
Keep these figures close when you are planning draws, payroll, or runway.
Monthly reserve
$1,147
Set aside this amount every month.
Quarterly reserve
$3,442
Useful if you pay estimated taxes quarterly.
Annual tax bill
$13,766
Total estimated tax based on your margin and rate.