Business & Startups
ROI, break-even, margins, runway, SaaS metrics, and pricing — the core math operators and founders run every week.
Calculators
14 tools- businessBreak-Even Point CalculatorCalculate your break-even point in units and revenue. Enter fixed costs, variable cost per unit, and price to see exactly when your business turns profitable.
- businessMargin and Markup CalculatorCalculate gross profit, margin percentage, and markup percentage instantly. Enter cost and price to see the right number for your business pricing strategy.
- businessROI Calculator with Annualized ReturnCalculate ROI and annualized return on any investment. Add fees and costs to see true net gain and the real annual growth rate behind the headline number.
- businessSaaS MRR Growth Projection CalculatorModel SaaS MRR growth with monthly compounding: add new revenue, subtract churn, apply expansion. See projected ARR and months to any revenue milestone.
- businessCAC : LTV Ratio CalculatorCalculate Customer Lifetime Value, LTV:CAC ratio with poor/fair/good/excellent verdict bands, CAC payback months, and monthly gross profit per customer.
- businessROAS & Break-Even ROAS CalculatorCalculate ROAS and break-even ROAS instantly. Enter revenue, ad spend, and gross margin to see if your campaign is truly profitable — or just spending to spend.
- businessChurn & Retention Rate CalculatorCalculate monthly and annual customer churn, revenue churn, and net revenue retention. Compounding conversion and implied average customer lifetime included.
- businessCAC Payback Period CalculatorCalculate your CAC payback period with simple and discounted methods. Find the month your customer acquisition cost is fully recovered, plus a cumulative chart.
- businessBurn Rate & Runway CalculatorCalculate startup burn rate and cash runway. Gross vs net burn, default alive or dead verdict, and month-by-month cash balance simulation with revenue growth.
- businessProduct Pricing Calculator (Cost-Plus / Target Margin)Set the right selling price for your product. Enter fully-loaded unit cost — materials, labor, overhead, and platform fees — then choose a target margin.
- businessUS Sales Tax Calculator (by State) + ReverseCalculate US sales tax by state. Add or strip tax from any price. Select a state to prefill the rate; all 50 states included. 2025 base rates — local rates vary
- businessAmazon FBA Profit CalculatorCalculate Amazon FBA net profit, margin, and ROI for any product. Enter price, COGS, and size tier to see the full fee breakdown and your break-even price.
- businessEtsy Fee & Profit CalculatorCalculate Etsy fees, net proceeds, and break-even price for any listing. Fee breakdown always visible: listing $0.20, transaction 6.5%, payment 3%+$0.25.
- businessEcommerce Profit Margin CalculatorCalculate your true ecommerce profit margin including COGS, shipping, packaging, payment fees, and ad spend per unit. See contribution vs fully-loaded margin.