50+ Free Business Calculators
Professional-grade calculators for invoicing, pricing, and financial planning. All free, no sign-up required.
Invoice & Payment Tools
6 calculators
Invoice Total Calculator
Calculate invoice totals with tax, discounts, and multiple line items.
Try Calculator →Payment Terms Calculator
Optimize payment terms and analyze cash flow impact.
Try Calculator →Early Payment Discount Calculator
Calculate optimal discount rates for early payment incentives.
Try Calculator →Invoice Factoring Calculator
Analyze costs and benefits of invoice factoring.
Try Calculator →Partial Payment Tracker
Track and manage partial invoice payments.
Try Calculator →Late Payment Fee Calculator
Calculate late fees and interest on overdue invoices.
Try Calculator →Cash Flow & Financial Health
5 calculators
Cash Flow Projection Calculator
Forecast future cash flow based on receivables and payables.
Try Calculator →Accounts Receivable Turnover
Measure how efficiently you collect outstanding invoices.
Try Calculator →Days Sales Outstanding (DSO)
Calculate average collection period for invoices.
Try Calculator →Working Capital Calculator
Assess your business's short-term financial health.
Try Calculator →Break-Even Analysis
Determine the revenue needed to cover all costs.
Try Calculator →Freelancer & Contractor Tools
8 calculators
Freelance Rate Calculator
Determine optimal hourly rate based on desired income and expenses.
Try Calculator →Consulting Rate Calculator
Calculate consulting rates with profit margins and business costs.
Try Calculator →Project Cost Estimator
Estimate total project costs including time, materials, and overhead.
Try Calculator →Retainer Fee Calculator
Calculate optimal retainer fees for ongoing services.
Try Calculator →Time to Money Converter
Convert time estimates to project cost and revenue projections.
Try Calculator →Contractor vs Employee Cost
Compare true costs of hiring contractors vs employees.
Try Calculator →Billable Hours Tracker
Track billable hours, utilization rate, and revenue potential.
Try Calculator →Hourly to Salary Converter
Convert between hourly rates and annual salary equivalents.
Try Calculator →Tax & Compliance
5 calculators
Sales Tax Calculator
Calculate sales tax for all US states with custom rate options.
Try Calculator →VAT Calculator
Calculate VAT for EU countries with reverse charge support.
Try Calculator →Self-Employment Tax Calculator
Calculate self-employment tax obligations for freelancers.
Try Calculator →Business Expense Tracker
Track deductible business expenses and estimate tax savings.
Try Calculator →Mileage Deduction Calculator
Calculate business mileage deductions using IRS standard rates.
Try Calculator →Pricing & Profitability
5 calculators
Profit Margin Calculator
Calculate gross, operating, and net profit margins.
Try Calculator →Cost-Plus Pricing Calculator
Calculate optimal prices using cost-plus pricing strategy.
Try Calculator →Bundle Pricing Calculator
Optimize bundle pricing and discount strategies.
Try Calculator →Subscription Revenue Calculator
Model subscription revenue with different pricing tiers.
Try Calculator →Price Comparison Tool
Compare pricing strategies and their profitability impact.
Try Calculator →Currency & International
3 calculators
Currency Converter
Convert between 30+ currencies with live exchange rates.
Try Calculator →Multi-Currency Invoice Calculator
Create invoices with multiple currencies and automatic conversion.
Try Calculator →Exchange Rate Impact Calculator
Analyze how exchange rate fluctuations affect revenue.
Try Calculator →Time & Productivity
3 calculators
Time Tracking ROI Calculator
Calculate ROI of implementing time tracking systems.
Try Calculator →Utilization Rate Calculator
Measure team utilization and billable time efficiency.
Try Calculator →Project Profitability Calculator
Analyze project profitability including all costs and time.
Try Calculator →Estimates & Quotes
3 calculators
Credit & Collections
3 calculators
Credit Terms Analyzer
Optimize customer credit terms based on risk and cash flow.
Try Calculator →Bad Debt Reserve Calculator
Calculate appropriate bad debt reserves for financial planning.
Try Calculator →Collection Cost Calculator
Analyze costs and ROI of debt collection efforts.
Try Calculator →Growth & Planning
4 calculators
Revenue Growth Calculator
Project future revenue based on growth rates and trends.
Try Calculator →Customer Lifetime Value (CLV)
Calculate customer lifetime value and acquisition targets.
Try Calculator →Invoice Volume Forecaster
Forecast future invoice volume based on historical data.
Try Calculator →Seasonality Analyzer
Analyze seasonal patterns in revenue and cash flow.
Try Calculator →Industry-Specific
3 calculators
Construction Invoice Calculator
Specialized calculator for construction projects with retention.
Try Calculator →Agency Billing Calculator
Calculate agency billing including team rates and markups.
Try Calculator →SaaS Metrics Calculator
Calculate MRR, ARR, CAC, LTV, and churn for SaaS businesses.
Try Calculator →Business & Invoicing Guides
Comprehensive guides to help you master invoicing, get paid faster, and grow your freelance business. Expert advice across 8 categories with actionable tips.
Browse All GuidesInvoice & Billing Glossary
Master the language of invoicing and business finance. 25+ essential terms explained with definitions, examples, and practical context.
Explore GlossaryWhy Use InvoiceLaunch Calculators?
100% Free
All calculators are completely free. No sign-up, no credit card, no hidden fees.
Accurate Results
Built by finance professionals. All calculations are verified and up-to-date.
Educational
Each calculator includes detailed guides, best practices, and industry benchmarks.
Ready to Automate Your Invoicing?
These calculators are great for quick calculations. But why do math manually? InvoiceLaunch automates all calculations, sends invoices, tracks payments, and more.