Founders & Business

Startup & Business Calculators

Profit margin, break-even analysis, freelance hourly rate, cash runway, and SaaS startup metrics.

Available Startup & Business Tools (36)

Select any calculator below for instant mathematical calculation, worked examples, and formulas.

Startup & BusinessFlagship Tool

Profit Margin Calculator

Calculate gross profit margin, markup percentage, revenue, and net profit with operating expenses. Perfect for founders, e-commerce stores, and small businesses.

Startup & BusinessPopular

Break-Even Calculator

Calculate your business break-even point in units and sales dollars. Analyze contribution margins, variable cost ratios, and target profit goals.

Startup & BusinessEssential Tool

Freelance Rate Calculator

Calculate the ideal freelance hourly rate based on your desired take-home salary, billable hours, business expenses, self-employment taxes, and profit buffer.

Startup & BusinessPopular

Startup Runway Calculator

Track startup cash runway, monthly gross burn, net burn rate, and 12-month balance projections. Essential for bootstrapped founders and venture-backed startups.

Startup & BusinessEssential

Markup Calculator

Calculate product selling price, profit dollar markup, and gross margin percentage. Enter wholesale cost and desired markup percentage to set profitable retail prices.

Startup & BusinessPopular

CAC Calculator

Calculate your Customer Acquisition Cost (CAC) by dividing total sales and marketing expenditure by new customers acquired. Track marketing ROI and acquisition efficiency.

Startup & BusinessPopular

LTV / CLV Calculator

Calculate Customer Lifetime Value (LTV/CLV), margin-adjusted lifetime value, and the LTV:CAC ratio to determine long-term customer profitability and acquisition sustainability.

Startup & BusinessSaaS Metric

MRR to ARR Calculator

Calculate and convert Monthly Recurring Revenue (MRR) to Annual Recurring Revenue (ARR), factoring in new business, expansion, contraction, and churn rates.

Startup & BusinessRetention

Churn Rate Calculator

Calculate customer churn rate and monthly revenue churn rate to evaluate retention health and average customer lifespan.

Startup & BusinessTier-1 SaaS

NRR Calculator

Calculate Net Revenue Retention (NRR) and Gross Revenue Retention (GRR) to gauge recurring expansion health and organic account growth.

Startup & BusinessCapital Efficiency

CAC Payback Calculator

Calculate customer acquisition cost (CAC) payback period in months using Average Revenue Per Account (ARPA) and gross margin percentage.

Startup & BusinessBenchmarking

Rule of 40 Calculator

Calculate the Rule of 40 score for software companies by combining annual revenue growth rate and operating profit margin or Free Cash Flow margin.

Startup & BusinessMarketing

ROAS Calculator

Calculate Return on Ad Spend (ROAS), target ROAS, and profit-based break-even ROAS thresholds for paid social and search campaigns.

Startup & BusinessPaid Media

CPM / CPC / CTR Calculator

Interconvert advertising metrics between impressions, clicks, total cost, Cost Per Mille (CPM), Cost Per Click (CPC), and Click-Through Rate (CTR).

Startup & BusinessROI & Profit

Marketing ROI Calculator

Calculate true marketing Return on Investment (ROI) factoring in gross revenue, ad spend, product cost of goods sold (COGS), and agency fees.

Startup & BusinessMarketplace

Amazon FBA Calculator

Calculate Amazon FBA seller fees, referral category percentages, FBA pick & pack costs, and net profit margins per unit.

Startup & BusinessMarketplace

Etsy Fee Calculator

Calculate complete Etsy seller fees including $0.20 listing fee, 6.5% transaction fee, 3% + $0.25 payment processing, and optional 15% offsite ads.

Startup & BusinessMarketplace

eBay Fee Calculator

Calculate eBay seller final value fees (~13.25% + $0.30), optional promoted listing rates, shipping costs, and net profit margins.

Startup & BusinessTax Tool

VAT Calculator

Calculate Value Added Tax (VAT) to add or remove VAT from net and gross amounts across UK (20%), Germany (19%), Ireland (23%), and EU countries.

Startup & BusinessTax Tool

GST Calculator

Calculate Goods and Services Tax (GST) for Australia (10%), New Zealand (15%), Canada (5% GST + Provincial HST), and international territories.

Startup & BusinessFundraising

Startup Valuation Calculator

Calculate Pre-Money and Post-Money startup valuations, investor equity percentages, and share price metrics for seed and venture capital rounds.

Startup & BusinessFundraising

Cap Table Calculator

Model capitalization tables across Seed, Series A, and Series B funding rounds, accounting for founder shares, option pools, and investor dilution.

Startup & BusinessYC SAFE

SAFE Note Calculator

Calculate equity conversion shares and ownership for Y Combinator Post-Money SAFEs and Convertible Notes using valuation caps and discount percentages.

Startup & BusinessEmployee Equity

ESOP Calculator

Calculate startup employee stock option (ESOP) grants, 4-year vesting schedules with 1-year cliff, exercise costs, and net proceeds at liquidity exits.

Startup & BusinessUnit Economics

Contribution Margin Calculator

Calculate unit contribution margin and contribution margin ratio to understand how individual product sales cover fixed business overhead and generate net profit.

Startup & BusinessProfitability

EBITDA Calculator

Calculate EBITDA and EBITDA Margin % to evaluate core operating profitability by stripping out non-cash depreciation and capital structure financing costs.

Startup & BusinessCash Management

Cash Flow Calculator

Calculate Operating Cash Flow (OCF) and Free Cash Flow (FCF) by tracking cash inflows, operating outflows, working capital, and capital expenditures (CapEx).

Startup & BusinessCommercial Lending

DSCR Calculator

Calculate Debt Service Coverage Ratio (DSCR) to determine loan approval eligibility for commercial mortgages, SBA 7(a) loans, and business financing.

Startup & BusinessInvoicing

Invoice VAT Calculator

Calculate professional itemized invoices with Net subtotal, custom VAT/sales tax rate breakdowns, discounts, and total payable amounts.

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