ToolEmpire
SEO ToolsCalculatorsText ToolsDeveloper ToolsConverters
All tools
  1. Home
  2. Calculators

Calculators

Business, finance, and startup metrics in seconds.

ROI CalculatorCalculate return on investment for any project.CAC CalculatorCalculate customer acquisition cost.LTV CalculatorEstimate customer lifetime value.Unit Economics CalculatorModel revenue, cost, and margin per unit.Churn Rate CalculatorCalculate customer or revenue churn.COGS CalculatorCalculate cost of goods sold.Debt to Equity CalculatorCalculate the debt-to-equity ratio.Break Even CalculatorFind your break-even point in units and revenue.Cap Table CalculatorModel founder and investor ownership across rounds.Equity Dilution CalculatorSee how a funding round dilutes ownership.Revenue Multiple CalculatorEstimate startup valuation from ARR and growth.Convertible Note CalculatorModel how a convertible note converts to equity.Burn Rate CalculatorCalculate gross/net burn and cash runway.Angel Investment CalculatorSize an angel round and its ownership impact.
Advertisement
ToolEmpire

Free online tools that run in your browser. No sign-up, no uploads, no watermarks.

SEO Tools

  • Duplicate Content Checker
  • Keyword Difficulty Checker
  • SEO Audit Tool
  • Schema Markup Generator
  • Domain Rating Checker

Calculators

  • ROI Calculator
  • CAC Calculator
  • LTV Calculator
  • Unit Economics Calculator
  • Churn Rate Calculator

Text Tools

  • OCR - Image to Text
  • Text Compare
  • Text to Hash

Developer Tools

  • Base64 Encoder / Decoder
  • URL Query String Builder
  • Password Hash Generator
  • Code Diff

Converters

  • ID / Passport Photo Maker
  • Image Converter
  • JSON to CSV
  • XML to JSON
  • Markdown to PDF

© 2026 ToolEmpire. All tools run client-side.

Privacy-first: your files and text stay on your device.