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Sam Gorman

Sam Gorman is a developer and data specialist with over 5 years of experience building statistical models. He has been featured in Google's #WeArePlay Campaign and Ticker News for his work at PregnancyChanceCalculator.com.

Break-Even Point Calculator

August 22, 2026July 18, 2026 by Sam Gorman

Find break-even units, sales dollars, contribution margin, profit at expected units, and a price-cost sensitivity table.

Categories Finance

Business Cash Flow Calculator

July 18, 2026 by Sam Gorman

Forecast 13 weeks of business cash using starting cash, weekly money in and out, one-time invoices, bills, and a safety target.

Categories Finance

Capital Gains Tax Calculator

July 18, 2026 by Sam Gorman

Estimate 2024 federal capital gains tax for multiple sales, with short-term, long-term, and optional NIIT breakdowns.

Categories Finance

401(k) Loan Calculator

August 22, 2026July 18, 2026 by Sam Gorman

Estimate 401(k) loan payment, total repayment, growth gap, and optional job-change rollover deadline risk.

Categories Finance

Roth vs Traditional 401(k) Calculator

July 18, 2026 by Sam Gorman

Compare Roth, Traditional, and mixed 401(k) contributions by after-tax retirement wealth and break-even tax rate.

Categories Finance

Business Line of Credit Calculator

September 20, 2026July 18, 2026 by Sam Gorman

Compare two business line of credit offers by APR, fees, draw period, and repayment term to estimate interest, fees, and cost gap.

Categories Finance

Multifamily Mortgage Calculator

August 22, 2026July 18, 2026 by Sam Gorman

Estimate multifamily mortgage payment, NOI, DSCR, cash flow, supportable loan amount, and max price from rent and expenses.

Categories Finance

Short-Term Rental Break-Even Occupancy Calculator

July 18, 2026 by Sam Gorman

Find the occupancy needed to cover costs and test a 12-month short-term rental plan for annual profit and cash reserve needs.

Categories Finance

Rental Property Refinance Calculator

September 20, 2026July 17, 2026 by Sam Gorman

Estimate rental refi cash flow, debt coverage, payment savings, break-even months, and net cash from closing.

Categories Finance

Price-to-Rent Ratio Calculator

July 27, 2026July 17, 2026 by Sam Gorman

Calculate a gross price-to-rent ratio, then adjust for vacancy, taxes, insurance, HOA fees, and maintenance costs.

Categories Finance
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Advertiser disclosure: LumenCalculator.com is an independent, advertising-supported calculator site. Display ads may be served by partners such as Google. We may earn revenue from ads. Advertising does not influence calculator outputs.

About these calculators: Tools provide educational estimates based on formulas and common assumptions. Results are illustrative and may not match real-world components, tolerances, and environmental conditions. Verify against datasheets, standards, and professional guidance where relevant.

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