Smart Calculators for Smarter Business
Make confident financial decisions with our suite of free, professional-grade calculators. Built for entrepreneurs and small business owners who need accurate answers fast.

Business Calculators
Essential tools for pricing, profitability, and growth decisions.
Profit Margin Calculator
Calculate gross, operating, and net profit margins instantly. Understand your business profitability with precision.
Break-Even Calculator
Find your break-even point in units and revenue. Know exactly when your business starts making money.
ROI Calculator
Measure return on investment for any business decision. Compare ROI across projects and campaigns.
Markup Calculator
Calculate the right markup percentage for your products. Set profitable prices with confidence.
CAC Calculator
Calculate your Customer Acquisition Cost (CAC) and compare it to customer lifetime value.
Burn Rate Calculator
Calculate your monthly burn rate and runway. Know exactly how many months of cash your business has left.
Finance Calculators
Analyze loans, investments, and cash flow with precision.
Loan Payment Calculator
Calculate monthly loan payments, total interest, and amortization schedule for any loan.
Interest Rate Calculator
Calculate effective interest rates, APR, and compare loan offers to find the best deal.
Compound Interest Calculator
See how compound interest grows your investments or business savings over time.
Cash Flow Projection Calculator
Project your business cash flow for the next 12 months. Spot shortfalls before they happen.
NPV Calculator
Calculate the Net Present Value of any investment or project to make smarter capital decisions.
EBITDA Calculator
Calculate EBITDA and EBITDA margin to measure core operating profitability and compare businesses.
Marketing Calculators
Measure campaign performance, ad spend, and customer value.
Customer Lifetime Value (LTV)
Calculate the total revenue you can expect from a single customer over your entire relationship.
Churn Rate Calculator
Calculate your customer and revenue churn rates to measure retention and attrition.
Conversion Rate Calculator
Calculate website and campaign conversion rates. See exactly how many visitors take action.
Email Marketing ROI Calculator
Measure the exact profitability of your email marketing campaigns based on open and click rates.
ROAS Calculator
Calculate Return on Ad Spend (ROAS) for your Google, Meta, and other paid advertising campaigns.
CPM / CPC / CPL Calculator
Calculate Cost Per Mille (CPM), Cost Per Click (CPC), and Cost Per Lead (CPL) for your ad campaigns.
HR & Ops Calculators
Manage payroll, hiring costs, and workforce productivity.
Hourly to Salary Calculator
Convert hourly wages to annual salary, or break down a yearly salary into an hourly rate.
Employee Turnover Calculator
Calculate your staff turnover rate to understand retention issues and hiring needs.
Overtime Pay Calculator
Calculate overtime pay including time-and-a-half and double-time rates based on hours worked.
PTO Accrual Calculator
Calculate paid time off accrual rates per pay period. Track vacation, sick days, and personal time.
Hiring Cost Calculator
Calculate the full cost of recruiting and onboarding a new employee, including advertising, agency fees, and training.
Productivity Calculator
Measure labor productivity by calculating output per employee, per hour, or per dollar spent.
Built for Business Owners, Not Accountants
We strip away the complexity so you can focus on what matters: running a profitable business.
Instant Results
Real-time calculations update as you type. No waiting, no page reloads, no friction.
Accurate Formulas
Every calculator uses verified, industry-standard formulas reviewed for correctness.
Works Everywhere
Fully responsive design works seamlessly on desktop, tablet, and mobile devices.
No Account Needed
All tools are completely free. No signup, no email, no credit card. Just calculate.
Educational Content
Each calculator includes a detailed guide explaining the formula, examples, and strategy.
Fully Accessible
Built with ARIA labels, keyboard navigation, and semantic HTML for all users.
Latest from the Blog
Insights, guides, and practical advice for small business owners.

The Best Free Packing Slip Generator for Ecommerce and Wholesale Businesses
Looking for a free packing slip generator? Learn how to create professional, price-free packing slips online in seconds — no account, no watermarks, instant PDF download.

The Best Free Proforma Invoice Generator for International Trade
Discover the best free proforma invoice generator online. Create professional, customs-ready pro forma invoices with Incoterms, HS codes, and VAT disclaimers — no account required.

The Best Free Online Purchase Order Generator for Small Businesses
Streamline your procurement process with our free online purchase order generator. Create professional, customized PO PDFs instantly without creating an account.
Your Complete Toolkit for Financial Clarity
Bizcalc Tools is designed to eliminate guesswork from your daily operations. Whether you are setting prices using our Profit Margin and Markup calculators, or attempting to forecast your liquidity with the Cash Flow Projection tool, we have you covered.
Dive into operational metrics like Customer Acquisition Cost to optimize your marketing, check your Break-Even Point for new product launches, or use our Loan Payment and EBITDA calculators for serious financial modeling. All tools are free, fast, and fully private.
Ready to Make Smarter Business Decisions?
Start with any of our 48 free calculators. No account needed, no time limits, no hidden fees.