Business & Startup Calculators
Calculators built for founders, operators, and marketers. Run pricing analysis, track SaaS metrics, estimate employee costs, and model business scenarios. Every tool is designed for the kind of quick, practical math that drives business decisions.
- ✓SaaS and subscription metrics: CAC, LTV, churn, MRR
- ✓Pricing and margins: markup, break-even, profit margin
- ✓Fundraising: burn rate, runway, valuation
- ✓Marketing ROI: ad spend, email campaigns, A/B test significance
Most used: Burn Rate Calculator
Try any of the 18 business & startup calculators below — or get one free for your AI.
Every calculator on this page is free to use right now. You can also download any one as a Claude skill file (free with email) to chat with it in Claude Code, ChatGPT, or any AI platform. Or get the full Business Operations Pack for $29.
Common workflows in this category
Click any scenario to jump into the calculator with the example pre-loaded.
18 free calculators
A/B Test Calculator
Calculate A/B test significance using statistical tests. Know if your test result is real or just random chance.
Ad Spend ROI Calculator
Calculate ad ROI and ROAS. Determine if your ad campaigns are actually generating profit or burning money.
Burn Rate Calculator
Calculate your monthly burn rate and net burn. See where cash is going and control your spending.
CAC/LTV Calculator
Calculate customer acquisition cost vs. lifetime value. See if your CAC is sustainable and benchmark your LTV:CAC ratio.
Conversion Rate Calculator
Calculate conversion rate at each funnel stage. Find bottlenecks and optimize your sales and marketing funnel.
Email Marketing ROI Calculator
Calculate email marketing ROI and revenue generated per email campaign. Measure the true profitability of email marketing.
Employee Cost Calculator
Calculate the full employee cost beyond salary including benefits, taxes, equipment, and overhead. See the true expense of hiring.
Freelance Rate Calculator
Calculate your freelance rate based on expenses and income goals. Know what hourly rate you need to charge to meet your targets.
GST/VAT Calculator
Calculate GST or VAT on prices. Add or remove tax from amounts with this simple GST/VAT calculator.
Inventory Turnover Calculator
Calculate inventory turnover ratio and days inventory outstanding. Optimize inventory management and working capital.
Invoice Calculator
Calculate invoice totals instantly with taxes, discounts, and line items. Perfect for freelancers, agencies, and small businesses.
Pricing Calculator
Calculate optimal pricing based on costs, margins, and market position. Ensure your products are priced for profitability.
Runway Calculator
Calculate your startup runway with this simple tool. Know exactly how many months you have before cash runs out.
SaaS Metrics Calculator
Calculate MRR, ARR, churn rate, LTV, and CAC in one place. Essential SaaS metrics calculator for subscription business growth.
Shipping Cost Calculator
Calculate shipping costs based on package weight, dimensions, and distance. Get accurate shipping estimates for e-commerce.
Market Size (TAM) Calculator
Calculate your total addressable market (TAM) using bottom-up and top-down approaches. Understand the size of your opportunity.
Business Valuation Calculator
Calculate your business valuation using revenue multiples and EBITDA multiples. Understand what your company might be worth.
Working Capital Calculator
Calculate working capital and current ratio. Determine if you have enough liquidity to cover short-term obligations.