Landlords
Rental cash flow & cap rate
Turn rent, vacancy, operating expenses, and a loan into net operating income, cap rate, monthly cash flow, and cash-on-cash return.
Open the rental calculatorFree calculators
Rental, mileage, bid, and self-employment tax calculators
Four practical tools for landlords, contractors, and independent contractors. Each one runs in your browser, uses clearly stated formulas, and links to the official IRS pages where tax figures are involved. Nothing you type is sent to a server.
Drivers & sole proprietors
2026 mileage deduction
Apply the official IRS standard mileage rates, including the mid-year change to 76 cents per business mile starting July 1, 2026.
Open the mileage calculatorContractors
Markup vs. margin bid price
Build a bid from job costs and see why a 30% markup is not a 30% margin — before the quote goes out the door.
Open the bid calculatorFreelancers & 1099 workers
Self-employment & quarterly tax
Estimate 2026 SE tax, federal income tax, and a quarterly payment using current IRS rates. Clearly labeled as an estimate, not tax advice.
Open the tax estimatorKeep records in a spreadsheet
These calculators are for a quick answer. If you want a reusable workbook — rental income and Schedule E totals, a mileage log, job costing, or a 1099 income and quarterly-tax tracker — the four templates are $9–$14 each, or $29 for the bundle (the individual prices add up to $47).
How these tools work
- They are static pages with ordinary HTML, CSS, and JavaScript. There is no account and no analytics script.
- Tax figures are taken from IRS publications and news releases for 2026 and cited on the relevant page.
- Results are estimates for planning. They are not a tax return, an appraisal, or professional advice.
Read the about and disclaimer page for the full limits of these tools.