Founder decision tools

Decisions for solo founders, backed by the math.

55 calculators across stack costs, runway, pricing, ship-or-kill, and unit economics. Methodology is public.

Free · Private · No signup · 55 tools

Pick your goal

Decision guides

Deep-dive guides with tools, benchmarks, and step-by-step workflows.

Decision workflows

Step-by-step guides that chain multiple tools into a complete decision.

Quick picks

Run the numbers in under a minute.

All Tools 55

Plan Your Build

Run the Numbers

Micro-SaaS Pricing Engine preview

SaaS Pricing

Find your price floor, suggested price, and ceiling from per-user costs, competitor benchmarks, and target margin.

Bootstrapped Runway Calculator preview

Bootstrapped Runway

Calculate personal runway and months to ramen/fully profitable from savings, side income, and MRR growth.

AI Product Margin Calculator preview

AI Margin

Calculate per-user margin for AI products from subscription price, API token costs, hosting, and per-user expenses.

Solo Founder Unit Economics preview

Solo Unit Econ

Calculate LTV, CAC, payback, and break-even customers calibrated for bootstrapped scale with organic CAC.

Break-Even Units Calculator preview

Break-Even Units

Find break-even units, revenue, and target-profit volume fast.

Startup Runway Calculator preview

Runway

Calculate months of runway from cash, burn rate, and revenue growth assumptions.

Profit Margin Calculator preview

Profit Margin

Calculate gross margin and markup, or set prices from desired margin percentages.

Unit Economics Calculator preview

Unit Economics

Evaluate LTV:CAC ratio, payback period, and per-customer viability.

Startup Cost Estimator preview

Startup Costs

Estimate pre-launch costs by category with one-time and recurring breakdown for first-year budget.

Monthly Burn Rate Calculator preview

Burn Rate

Calculate monthly burn rate from line items with category breakdown and runway estimate.

Customer Lifetime Value Calculator preview

CLV

Calculate CLV, CLV:CAC ratio, and acquisition payback from purchase patterns.

ROI + Payback Period Calculator preview

ROI + Payback

See ROI, annualized return, and payback timing before you fund the project.

Sales Forecast Calculator preview

Sales Forecast

Forecast MRR and cumulative revenue from growth, conversion, and pipeline assumptions.

Churn & Retention Calculator preview

Churn & Retention

Estimate recovered customers and revenue lift from retention improvements.

Profit Margin / Markup / Discount Calculator preview

Margin / Markup

Convert margin, markup, and discount with live formulas you can trust.

Price Elasticity Calculator preview

Price Elasticity

Calculate price elasticity of demand and see whether a price change grows or shrinks revenue.

A/B Test Significance Calculator preview

A/B Significance

Check if your A/B test results are statistically significant and estimate sample size for reliable conclusions.

CAC Calculator preview

CAC

Calculate customer acquisition cost, payback period, and LTV:CAC efficiency.

Ad Spend / ROAS Calculator preview

ROAS Calculator

Calculate actual ROAS, break-even ROAS, profit after ad spend, target CPA, and required conversion rate for advertising campaigns.

Email Marketing ROI Calculator preview

Email ROI

Calculate projected revenue, ROI, cost per acquisition, and break-even conversion rate for email marketing campaigns.

Content Marketing Payback Calculator preview

Content Payback

Estimate cumulative ROI, payback month, and 12/24/36-month returns for content marketing investment with break-even traffic volume.

Net Promoter Score (NPS) Calculator preview

NPS Calculator

Calculate NPS from promoter, passive, and detractor counts with benchmark context and action guidance.

Wholesale Pricing Calculator preview

Wholesale Pricing

Set wholesale price, retail price, and MOQ revenue from unit cost and overhead using cost-plus, keystone, or target-margin strategies.

SaaS Pricing Strategy Calculator preview

SaaS Pricing

Set monthly price floors from gross-margin and CAC payback constraints.

Employee Cost Calculator preview

Employee Cost

Calculate the true total cost of an employee beyond salary — taxes, benefits, and overhead.

Cost Per Hire Calculator preview

Cost Per Hire

Calculate total recruiting cost per position from ads, agency fees, internal time, and onboarding.

Cash Conversion Cycle Calculator preview

Cash Conversion Cycle

Measure CCC and estimate working-capital lockup from DIO, DSO, and DPO assumptions.

Inventory Turnover Calculator preview

Inventory Turnover

Calculate how quickly your business sells and replaces stock with industry benchmarks.

Burn Multiple Calculator preview

Burn Multiple

Are you burning faster than you're growing? Net monthly burn ÷ net new ARR — the cash-efficiency check.

MRR / ARR Growth Calculator preview

MRR/ARR Growth

Project bootstrapped MRR and ARR at 3, 6, and 12 months. See how many months until you hit a target you can live on.

CAC Payback Period Calculator preview

CAC Payback

How many months to recover your CAC from gross profit, with LTV:CAC ratio sanity-check.

Revenue Per Employee Calculator preview

Rev/Employee

Hire-or-don't sanity check. Revenue and profit per person — compare against staying solo.

Team Salary Budget Calculator preview

Salary Budget

Plan a small first-team salary budget across roles before you commit to hiring.

Landing Page Conversion Calculator preview

Landing Page ROI

Calculate landing-page revenue, ROI, and cost-per-conversion from traffic, conversion rate, and order value.

Social Media ROI Calculator preview

Social Media ROI

Spend → reach → engagement → conversion → ROI. See whether the channel is paying its way.

Marketing Budget Allocator preview

Budget Allocator

Allocate marketing budget across channels with ROAS estimates and blended-return projection.

Make the Call

Freelance & Consulting