Quarterly Estimated Tax Calculator
Estimate your next quarterly federal tax payment based on expected income and deductions.
Under 5 minutes Best for: Self-employed
Tools & Calculators
Free calculators for taxes, business, savings, retirement, and real estate.
Every tool here gives you a useful estimate in under five minutes — and shows you what to do next. Built and reviewed by the Kuuni Partners team of credentialed advisors.
Taxes
Self-Employment Tax Calculator
Calculate the 15.3% Social Security + Medicare tax owed on your 1099 / Schedule C income.
Under 5 minutes Best for: Self-employed
Paycheck Withholding Calculator
Estimate take-home pay and federal tax withheld from a single W-2 paycheck.
Under 5 minutes Best for: Employees
Capital Gains Tax Estimator
Estimate federal tax owed on the sale of an investment, business asset, or property.
Under 5 minutes Best for: Investors
Annual Tax Snapshot
A quick snapshot of where your federal tax bill is likely to land for the year.
Under 5 minutes Best for: Households
S-Corp Salary vs Distribution Estimator
Compare a reasonable W-2 salary plus distributions against paying yourself 100% as self-employment income.
Under 5 minutes Best for: S-Corp owners
Tax Savings Opportunity Snapshot
See a directional estimate of how much annual tax planning moves could save you.
Under 5 minutes Best for: Business owners
Business
Profit Margin Calculator
Calculate gross and net profit margins from revenue, COGS, and operating expenses.
Under 5 minutes Best for: Business owners
Break-Even Calculator
Find the revenue (or units) you need to cover your fixed costs.
Under 5 minutes Best for: Business owners
Cash Flow Runway Calculator
How many months can you operate with the cash on hand at your current burn?
Under 5 minutes Best for: Founders
Revenue Target Calculator
Reverse-engineer the revenue you need to hit a profit goal at your current margins.
Under 5 minutes Best for: Founders
Pricing & Markup Calculator
Set a target margin and we'll compute the right markup and selling price.
Under 5 minutes Best for: Service businesses
Payroll Burden Estimator
Estimate the true cost of an employee once payroll taxes and benefits are added.
Under 5 minutes Best for: Employers
Monthly Overhead Coverage Calculator
See how many days of revenue it takes each month to cover your fixed overhead.
Under 5 minutes Best for: Business owners
Savings & Debt
Debt Payoff Calculator
Estimate how fast you can pay off a debt and how much interest extra payments save.
Under 5 minutes Best for: Households
Savings Goal Calculator
Find the monthly contribution needed to reach a savings goal by a target date.
Under 5 minutes Best for: Households
Emergency Fund Calculator
Calculate the right emergency-fund target based on monthly essential expenses.
Under 5 minutes Best for: Households
Monthly Budget Gap Calculator
Compare income to spending to see your monthly surplus or shortfall.
Under 5 minutes Best for: Households
Retirement
Retirement Savings Calculator
Project the value of your retirement savings at your target retirement age.
Under 5 minutes Best for: Pre-retirees
Retirement Income Projection
Estimate how much annual income a retirement balance can support.
Under 5 minutes Best for: Retirees
Catch-Up Contribution Estimator
If you're 50+, see how much extra catch-up contributions can build by retirement.
Under 5 minutes Best for: Age 50+
Required Monthly Savings Calculator
Find the monthly savings needed to hit a target retirement nest egg.
Under 5 minutes Best for: Pre-retirees
Real Estate & Investing
ROI Calculator
Compute return on investment and annualized return for any investment.
Under 5 minutes Best for: Investors
Rental Property Cash Flow Estimator
Estimate monthly cash flow and cash-on-cash return for a rental property.
Under 5 minutes Best for: Landlords
Capital Gains & Sale Proceeds Estimator
Estimate net cash from the sale of a property after costs and federal capital gains tax.
Under 5 minutes Best for: Sellers
Investment Breakeven Estimator
Find the years required for an investment to break even on inflation or a target return.
Under 5 minutes Best for: Investors
Want help interpreting your numbers?
A 30-minute consultation usually surfaces 2–3 specific moves that improve the estimate you just ran.