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Free Tools & Calculators

Eighteen instant, private calculators to make smarter money, career and business decisions — built by Growtoria, free forever.

Real Estate

Rental Property Calculator

Analyze any rental deal in seconds — monthly cash flow, cap rate and cash-on-cash return, instantly.

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Career

ATS Resume Checker

Paste your resume and see how an Applicant Tracking System reads it — with a score and exact fixes.

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Personal Finance

Debt Payoff Calculator

See exactly when you’ll be debt-free — and how much interest you’ll save — with the snowball or avalanche method.

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Freelancing

Freelance Rate Calculator

Turn your income goal into the hourly and day rate you actually need to charge — after taxes and expenses.

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Real Estate

Mortgage Calculator

Estimate your monthly mortgage payment — principal, interest, taxes and insurance — plus total interest over the loan.

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Personal Finance

Paycheck Calculator

See your real 2026 take-home pay after federal tax, Social Security, Medicare and state tax — per paycheck and per year.

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Small Business

Profit Margin Calculator

Enter your cost and target margin to get the exact price to charge, plus your profit and markup. Price for profit.

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Investing

Compound Interest Calculator

See how your savings grow over time with monthly contributions and compounding. Watch the snowball effect in action.

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Personal Finance

Loan Calculator

Estimate the monthly payment, total interest and payoff cost on any auto, personal or student loan.

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Personal Finance

Savings Goal Calculator

Find out exactly how much to save each month to hit your goal by a target date — with interest.

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Investing

ROI Calculator

See your true return on investment — total and annualized — from what you put in and got back.

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Small Business

Break-Even Calculator

Find how many units and how much revenue you need to cover costs and start turning a profit.

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Real Estate

Rent vs Buy Calculator

Compare the real cost of renting vs buying over your time frame — including equity, appreciation and opportunity cost.

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Career

Salary & Hourly Converter

Turn an hourly wage into yearly, monthly, weekly and daily pay — or the other way around — in seconds.

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Personal Finance

Emergency Fund Calculator

See how big your safety net should be, how covered you are now, and how long it will take to fully fund it.

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Small Business

Sales Tax Calculator

Add sales tax to any price, or back out the pre-tax amount from a tax-inclusive total. Any rate, instantly.

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Investing

Retirement Calculator

See how big your 401(k) and savings will grow by retirement, and the monthly income it could provide.

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Personal Finance

Car Payment Calculator

Estimate your monthly auto loan payment with down payment, trade-in, sales tax and APR — plus total interest.

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Need the full version?

Every free tool has a premium, editable companion — spreadsheets, templates and kits ready to use today.

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Growtoria’s free tools are made for founders, investors, job seekers and small-business owners who want a fast, honest answer — no signup, no upsell wall, nothing stored. Each calculator runs entirely in your browser, so your numbers stay private.

New free calculators are added regularly. Bookmark this page, and when you’re ready to go deeper, the matching premium spreadsheet or template is one click away in the Growtoria shop.