Free Business & Invoicing Calculators
Free calculators for pricing, margins, taxes, and cash flow — work out the number in seconds, then dig into the guide.
Loan Interest Calculator: How to Calculate Interest
Use a loan interest calculator to work out simple and compound interest, total cost and monthly repayments. Formulas, worked examples and tips.
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Employer Tax Calculator: How to Estimate Employer Costs
Use an employer tax calculator to estimate the true cost of hiring. See the formula, worked examples, and how to budget employer payroll taxes accurately.
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Monthly Revenue Calculator: How to Calculate Monthly Revenue
Use a monthly revenue calculator to work out your monthly income fast. Formula, worked examples, benchmarks and tips to track revenue every month.
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Profit Margin Calculator: Formula, Examples and How to Use It
Use a profit margin calculator to measure how much you keep per sale. Get the formula, worked examples, benchmarks and tips to improve your margins.
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Customer Acquisition Cost Calculator: Formula and Examples
Use this customer acquisition cost calculator with the exact formula, worked examples and benchmarks to find your CAC and decide if your marketing pays off.
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Cost-Plus Pricing Calculator: Formula and Examples
Use a cost-plus pricing calculator to set profitable prices. Get the exact formula, 3 worked examples, benchmarks and common mistakes to avoid.
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Customer Retention Calculator: How to Calculate Retention Rate
Use a customer retention calculator to measure your retention rate. Get the formula, worked examples, benchmarks and tips to keep more customers.
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SaaS Retention Calculator: How to Calculate Retention
Use this SaaS retention calculator to measure customer and revenue retention. Get the formulas, worked examples, benchmarks, and common mistakes to avoid.
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Self-Employment Tax Estimator: How to Estimate What You Owe
Use this self-employment tax estimator to calculate what you owe. Clear formula, worked examples, and how to set aside the right amount every month.
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Profit Per Project Calculator: How to Measure Project Profit
Use a profit per project calculator to measure true project profit. Get the formula, worked examples, benchmarks and common mistakes to fix.
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Percentage Decrease Calculator: Formula and Examples
Use a percentage decrease calculator with the exact formula and worked examples. Learn how to measure drops in price, revenue, costs and expenses fast.
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Percentage Increase Calculator: Formula and Examples
Use this percentage increase calculator guide to learn the formula, see worked examples, and apply it to pricing, revenue, and rate rises in your business.
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Expense Calculator: How to Track Business Expenses
Use an expense calculator to total, categorize and track business expenses. Formula, worked examples and tips to control costs and protect your margins.
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Hourly Wage Calculator: How to Convert Salary to Hourly
Use this hourly wage calculator to convert any annual salary to an hourly rate. Get the formula, worked examples and tips to price your time accurately.
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Service Pricing Calculator: How to Price Your Services
Use a service pricing calculator to set profitable rates. Get the formula, worked examples, benchmarks and mistakes to avoid when pricing your services.
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Gross Margin Calculator: Formula and Examples
Use this gross margin calculator guide with the exact formula, worked examples and benchmarks to measure profitability and price your work for profit.
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How Freelancers Should Price Their Services (2026 Guide)
Learn how freelancers price services with proven models, formulas and examples - set rates that win clients and protect your profit margin.
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Startup Runway Calculator: How to Calculate Your Runway
Use this startup runway calculator guide to find your runway in months with the exact formula, worked examples, benchmarks and common mistakes to avoid.
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Project Cost Calculator: How to Estimate Project Costs
Use a project cost calculator to estimate labor, materials, overhead and profit. Formula, worked examples and benchmarks to price projects without
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Contractor Day Rate Calculator: How to Set Your Day Rate
Use this contractor day rate calculator to turn your target salary, costs and billable days into a profitable rate. Formula, worked examples and benchmarks.
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Revenue Growth Calculator: How to Measure Growth
Use a revenue growth calculator to measure how fast your business is growing. Formula, worked examples, benchmarks and common mistakes explained simply.
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Customer Lifetime Value Calculator: Formula and Examples
Use this customer lifetime value calculator with the exact CLV formula, worked examples and benchmarks to measure how much each client is really worth.
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Quote Calculator: How to Price a Quote
Use a quote calculator to price any job with confidence. Learn the formula, see worked examples, and avoid the mistakes that quietly kill your margin.
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Cash Flow Calculator: How to Calculate Cash Flow
Use a cash flow calculator to work out net cash flow with the exact formula, worked examples and benchmarks so you always know what's in the bank.
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Business Capacity Calculator: How Much Work Can You Take?
Use a business capacity calculator to work out how much work you can take on. Formula, worked examples and how to read your true billable capacity.
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Financial Ratio Calculator: Key Ratios Explained
Use a financial ratio calculator to measure liquidity, profitability and solvency. Formulas, worked examples and how to read the numbers.
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Invoice Tax Calculator: How to Calculate Tax on an Invoice
Use an invoice tax calculator to add VAT, sales tax or GST correctly. Clear formula, worked examples and tips so every invoice total is accurate.
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Business Valuation Calculator: How to Value a Business
Use a business valuation calculator to estimate what your company is worth. Formulas, worked examples and benchmarks to value a business with confidence.
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Loan Repayment Calculator: How Repayments Work
Use a loan repayment calculator to work out your monthly payment, total interest and full schedule. Formula, worked examples and tips for business owners.
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Exchange Rate Calculator: How to Convert Currencies
Use an exchange rate calculator to convert currencies accurately. Learn the formula, worked examples, and how to apply rates to invoices and payments.
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Discounted Invoice Calculator: How to Apply Invoice Discounts
Use a discounted invoice calculator to apply percentage or fixed discounts, work out the right tax order, and bill clients accurately. Formula plus examples.
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Freelancer Rate Calculator: How to Price Your Time
Use this freelancer rate calculator to turn your salary goals, costs and billable hours into a rate that actually pays you. Formula, examples and tips inside.
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International Invoice Calculator: How to Bill Global Clients
Use an international invoice calculator to convert currency, add the right tax and price FX fees so you bill global clients accurately and get paid in full.
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Agency Pricing Calculator: How to Price Agency Services
Use this agency pricing calculator to set profitable rates. Formula, worked examples, target margins and how to price agency services with confidence.
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Resource Planning Calculator: How to Plan Resources
Use a resource planning calculator to match available capacity to demand. Formula, worked examples, benchmarks and mistakes to avoid in one guide.
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Estimate Calculator: How to Build an Estimate
Use an estimate calculator to price jobs with confidence. The formula, worked examples, ranges and common mistakes to avoid when building an estimate.
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Sales Tax Calculator: Formula and Examples
Use this sales tax calculator guide to add, remove, and verify sales tax with the exact formula, worked examples, and tips for accurate invoicing.
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Break-Even Calculator: Formula and Examples
Use a break-even calculator to find the exact sales you need to cover costs. Get the formula, worked examples, and how to interpret your break-even point.
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Utilization Rate Calculator: How to Measure Billable Time
Use this utilization rate calculator to measure billable time, see the formula, worked examples, healthy benchmarks and common mistakes to avoid.
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Monthly Retainer Calculator: How to Price a Retainer
Use a monthly retainer calculator to price recurring work profitably. See the formula, worked examples, and how to set a retainer fee that protects margin.
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Working Capital Calculator: Formula and Examples
Use this working capital calculator guide with the exact formula, worked examples and benchmarks to measure your short-term financial health and stay liquid.
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Return on Investment Forecast: How to Project ROI
Learn how to build an ROI forecast: the formula, worked examples, and how to project ROI before you spend a penny. A practical guide for business owners.
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Pay Rise Calculator: How to Calculate a Raise
Use a pay rise calculator to work out a raise as a percentage or amount. Formulas, worked examples and how to plan increases for your team or yourself.
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Pricing Strategy Calculator: How to Price for Profit
Use a pricing strategy calculator to set prices that protect your margin. Formulas, worked examples and how to interpret the numbers for real profit.
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Balance Due Calculator: How to Calculate the Balance Due
Use a balance due calculator to work out exactly what a client still owes. Clear formula, worked examples, and tips to track every outstanding payment.
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Invoice Due Date Calculator: How to Set Payment Terms
Use an invoice due date calculator to set clear payment terms, work out exact due dates from Net 7/14/30 terms, and get paid on time. Formula + examples.
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Billable Hours Calculator: How to Track and Bill Your Time
Use a billable hours calculator to convert tracked time into accurate invoice totals. Formula, worked examples, benchmarks and how to bill your time right.
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Employee Cost Calculator: The True Cost of an Employee
Use an employee cost calculator to find the true cost of an employee - salary, taxes, benefits and overheads - with formulas and worked examples.
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Purchase Order Total Calculator: How to Calculate a PO Total
Use a purchase order total calculator to add line items, tax, shipping and discounts. Formula, worked examples and tips to get your PO total right.
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Cash Flow Forecast Calculator: How to Project Cash Flow
Use a cash flow forecast calculator to project opening balance, inflows and outflows. Formula, worked examples and how to read your closing balance.
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LTV:CAC Ratio Calculator: Formula and Examples
Use this LTV CAC ratio calculator to measure customer value vs acquisition cost. Get the formula, worked examples, benchmarks and how to read the result.
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Burn Rate Calculator: Formula and Examples
Use this burn rate calculator to measure gross and net burn, with the exact formula, worked examples and how to read your runway. Step-by-step guide.
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Commission Calculator: How to Calculate Sales Commission
Use this commission calculator guide to calculate sales commission fast. See the formula, worked examples, tiered rates and common mistakes to avoid.
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Customer Churn Calculator: How to Calculate Churn Rate
Use this customer churn calculator to measure churn rate with the exact formula, worked examples, and tips on what a healthy churn number looks like.
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SaaS Expansion Revenue Calculator: How to Measure It
Use this SaaS expansion revenue calculator to measure upsell, cross-sell and seat growth from existing customers. Formula, worked examples and benchmarks.
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Business Loan Calculator: How Repayments Work
Use a business loan calculator to work out monthly repayments, total interest and the true cost of borrowing. Formula, worked examples and tips inside.
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Net Profit Calculator: Formula and Examples
Use this net profit calculator guide to find your true bottom line. The formula, worked examples, benchmarks and common mistakes - explained simply.
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Non-Billable Time Calculator: How to Measure It
Use a non-billable time calculator to measure unpaid hours, protect your margins and price work that covers admin. Formula, worked examples and benchmarks.
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Markup Calculator: Formula and Worked Examples
Use this markup calculator guide to find selling price from cost. Get the formula, worked examples, benchmarks and common mistakes to avoid.
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Multi-Currency Invoice Calculator: How to Calculate Totals
Use a multi-currency invoice calculator to convert line items, apply tax and round totals accurately. Formula, worked examples and best practices inside.
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