How to use · 65 of 65 tools
Calculator guides
Each guide walks the calculator's actual inputs, what each output means in solopreneur terms, and a worked example with realistic numbers. Formulas cite their source (Bessemer benchmarks, IRS Pub 535, primary SaaS economics literature). No vendor blog filler.
Plan Your Build
Stack cost, build vs buy, runway
5 STEPS
How to Use AI Stack Cost Calculator
Estimate your full AI app stack cost at different user scales including hosting, database, auth, AI API, and third-party services.
Read guide →
5 STEPS
How to Use Embeddings DB Cost
Embeddings DB cost walkthrough: how to enter vector count, dimensions, and query volume to read the Pinecone vs pgvector vs LanceDB vs Turbopuffer comparison.
Read guide →
5 STEPS
How to Use Vibe Code Platform Comparison
How to use Vibe Code Platform comparison: compare AI coding platforms like Cursor, Bolt, Lovable, Replit, and v0 for your project type, complexity, and skill.
Read guide →
Run the Numbers
Margin, CAC, LTV, break-even
5 STEPS
How to Use A/B Test Significance Calculator
Validate your A/B test results to make data-driven decisions. Learn how to use this calculator to determine if observed differences in conversion rates.
Read guide →
5 STEPS
How to Use Ad Spend / ROAS Calculator
Calculate ROAS from ad spend + revenue, then break it down by gross margin, contribution margin, and CAC payback at your scale.
Read guide →
5 STEPS
How to Use Agent Cost Per Validated Customer
How to use Agent Cost Per Validated Customer: compute AI plus infrastructure cost per activated retained user, with gross margin at any subscription price.
Read guide →
5 STEPS
How to Use AI Feature Attribution
How much of your ARR is your AI feature actually driving? Net of infra cost, with cohort gross margin and retention lift.
Read guide →
5 STEPS
How to Use AI Product Margin Calculator
Calculate per-user margin for AI products from subscription price, API token costs, hosting, and per-user expenses.
Read guide →
5 STEPS
How to Use AI vs Human Support Cost
Compare AI-first and human-only support cost per ticket and per month. Token spend, escalation overhead, savings %, break-even ticket volume.
Read guide →
5 STEPS
How to Use Bootstrapped Runway Calculator
Calculate your bootstrapped runway in months from cash, MRR, and burn — with a step-by-step example and methodology notes for solo founders.
Read guide →
6 STEPS
How to Use Break-Even Units Calculator
How to use Break-Even Units calculator: quickly find out how many units your business needs to sell to cover all costs. This calculator is vital for pricing.
Read guide →
3 STEPS
How to Use Burn Multiple Calculator
Evaluate startup capital efficiency by comparing net burn to net new ARR. Learn what your burn multiple means and how to improve it.
Read guide →
5 STEPS
How to Use CAC Calculator
CAC = fully loaded sales + marketing spend ÷ new customers. Check it against LTV:CAC to see whether to scale acquisition or fix unit economics first.
Read guide →
5 STEPS
How to Use CAC Payback Period Calculator
CAC payback period: how many months until a new customer pays back their acquisition cost. Combines CAC, monthly gross profit, and a payback ceiling.
Read guide →
5 STEPS
How to Use Cash Conversion Cycle Calculator
Optimize your business's cash flow with our Cash Conversion Cycle calculator. Learn to measure how efficiently your operations convert investments.
Read guide →
5 STEPS
How to Use Churn & Retention Calculator
Master customer loyalty and growth with our Churn & Retention Calculator. Understand your customer base, identify loss trends, and strategize.
Read guide →
6 STEPS
How to Use Content Marketing Payback Calculator
Calculate the payback period for your content marketing investments. Understand how long it takes for your content efforts to generate a positive return.
Read guide →
4 STEPS
How to Use Cost Per Hire Calculator
Calculate the true cost of hiring by totaling job boards, agency fees, referral bonuses, internal recruiter time, interviewer time, and onboarding expenses.
Read guide →
5 STEPS
How to Use Customer Lifetime Value Calculator
Master your business growth by calculating Customer Lifetime Value (CLV). Optimize marketing spend, identify valuable customers, and boost profitability.
Read guide →
6 STEPS
How to Use Email Marketing ROI Calculator
Calculate your email marketing return on investment with this practical guide. Understand campaign performance, optimize spending, and drive better.
Read guide →
5 STEPS
How to Use Employee Cost Calculator
Uncover the true cost of an employee beyond salary. This guide helps small businesses, HR managers, and startups accurately calculate total employment.
Read guide →
5 STEPS
How to Use Free Trial to Paid Target
How to use free Trial to Paid Target: reverse-solve the trial-to-paid conversion rate required to hit your monthly revenue target. Payback months, LTV/CAC.
Read guide →
5 STEPS
How to Use Inventory Turnover Calculator
Inventory turnover = cost of goods sold ÷ average inventory. Compare your turn rate to retail and DTC benchmarks to free trapped cash.
Read guide →
4 STEPS
How to Use Landing Page Conversion Calculator
Project landing page revenue and ROI from visitor traffic, conversion rate, and average order value. Optimize page performance with clear unit economics.
Read guide →
3 STEPS
How to Use Marketing Budget Allocator
Distribute your marketing budget across channels by percentage. See dollar amounts, expected revenue per channel, and blended ROAS for your entire mix.
Read guide →
5 STEPS
How to Use Micro-SaaS Pricing Engine
How to use Micro-SaaS Pricing Engine: find your price floor, suggested price, and ceiling from per-user costs, competitor benchmarks, and target margin.
Read guide →
5 STEPS
How to Use Model Price Drop Stress Test
How to use Model Price drop Stress test: stress-test gross margin against 10/30/50% LLM price drops, both keeping savings and full pass-through to customers.
Read guide →
4 STEPS
How to Use Monthly Burn Rate Calculator
Calculate gross and net monthly burn rate, runway in months, and spending breakdown by category to manage startup cash flow effectively.
Read guide →
6 STEPS
How to Use MRR / ARR Growth Calculator
How to use MRR / ARR Growth calculator: reveal your subscription business potential! Learn how to use the MRR/ARR Growth Calculator to forecast revenue, set t.
Read guide →
5 STEPS
How to Use Net Promoter Score (NPS) Calculator
Quickly calculate your Net Promoter Score (NPS) to gauge customer loyalty and predict business growth. Understand how promoters, passives, and detractors.
Read guide →
5 STEPS
How to Use Price Elasticity Calculator
Calculate how changes in price impact product demand. Our Price Elasticity Calculator helps businesses optimize pricing strategies to maximize revenue.
Read guide →
5 STEPS
How to Use Profit Margin / Markup / Discount Calculator
Optimize your pricing strategy with our Profit Margin / Markup / Discount Calculator. Understand costs, set profitable prices, analyze sales impacts.
Read guide →
5 STEPS
How to Use Profit Margin Calculator
Reveal your business's true profitability. Learn how to use the Profit Margin Calculator to analyze gross, operating, and net margins and optimize pricing.
Read guide →
3 STEPS
How to Use Revenue Per Employee Calculator
Measure workforce productivity by dividing annual revenue and profit by headcount. Benchmark your team's efficiency against industry standards.
Read guide →
6 STEPS
How to Use ROI + Payback Period Calculator
Calculate marketing or product ROI plus payback period. See whether the investment recovers cost in the timeframe your runway can absorb.
Read guide →
5 STEPS
How to Use Runway With AI Cost Shock
Stress-test runway against an LLM vendor price hike. New runway, break-even revenue, and recovery months at compound growth. Free, browser-only.
Read guide →
5 STEPS
How to Use SaaS Pricing Strategy Calculator
Optimize your SaaS pricing for maximum growth and profitability. Learn to use the SaaS Pricing Strategy Calculator to analyze LTV, CAC, and churn.
Read guide →
6 STEPS
How to Use Sales Forecast Calculator
Master your business planning with the Sales Forecast Calculator. Learn to predict future revenue, optimize inventory, and set realistic goals using.
Read guide →
4 STEPS
How to Use Social Media ROI Calculator
Calculate social media return on investment from reach through engagement, clicks, and conversions. See cost per click, cost per conversion, and monthly profit.
Read guide →
5 STEPS
How to Use Solo Founder Unit Economics
How to use Solo Founder Unit Economics: calculate LTV/CAC, payback period, and gross margin for a one-person business with concrete examples and a.
Read guide →
3 STEPS
How to Use Startup Cost Estimator
Estimate total startup costs by categorizing one-time and recurring expenses. See first-year totals and cost breakdowns to plan your initial funding needs.
Read guide →
5 STEPS
How to Use Startup Runway Calculator
Calculate your startup's financial runway by understanding cash, burn rate, and revenue. Plan for sustainability and avoid running out of capital.
Read guide →
3 STEPS
How to Use Team Salary Budget Calculator
How to use Team Salary Budget calculator: allocate a salary budget across multiple roles using salary ranges and headcount. See utilization, remaining.
Read guide →
5 STEPS
How to Use Unit Economics Calculator
Master your business's profitability per unit with this guide. Learn to calculate LTV, CAC, and gross margins to optimize growth and financial health.
Read guide →
6 STEPS
How to Use Wholesale Pricing Calculator
Master your wholesale strategy with our guide to the Wholesale Pricing Calculator. Optimize profit margins for both your business and retailers, ensuring.
Read guide →
Make the Call
Decisions with explicit trade-offs
5 STEPS
How to Use Build vs Buy Decision Engine
Compare building infrastructure yourself versus buying managed services with per-component build/buy verdicts.
Read guide →
6 STEPS
How to Use Business Valuation Calculator
Reveal your business's true worth. This guide helps entrepreneurs, buyers, and sellers use the Business Valuation Calculator to estimate company value.
Read guide →
6 STEPS
How to Use Commute vs Remote Cost & Time Calculator
How to use Commute vs Remote Cost & Time calculator: calculate the true financial and time costs of commuting versus working remotely. Optimize career.
Read guide →
6 STEPS
How to Use Contractor vs Employee Calculator
Compare the true costs of hiring a contractor versus an employee with our guide. Understand financial inputs like benefits, taxes, and hourly rates.
Read guide →
4 STEPS
How to Use Dilution Calculator
Model founder equity dilution across multiple funding rounds. See how each round's investment and valuation affects your ownership percentage over time.
Read guide →
5 STEPS
How to Use LLM Vendor Lock-In Cost
Estimate the all-in cost of switching LLM providers — engineering hours, downtime opportunity cost, and payback months at a new vendor's price. Free.
Read guide →
5 STEPS
How to Use Marketplace Listing ROI
Net margin and break-even visitor count for marketplace listings (GPT Store, Anthropic plugins, Vercel templates).
Read guide →
5 STEPS
How to Use One-Person SaaS Valuation
How to use One-Person SAAS Valuation: estimate what your solo SaaS is worth using indie and micro-SaaS multiples — revenue, SDE, and profit methods with key.
Read guide →
5 STEPS
How to Use Pricing Model Picker
How to use Pricing Model Picker: compare flat monthly, per-seat, usage-based, and hybrid pricing head-to-head with one set of inputs. See projected revenue.
Read guide →
5 STEPS
How to Use Ship-or-Kill Decision Score
Get a brutally honest SHIP, ITERATE, or KILL verdict on your side project based on traction and market signal.
Read guide →
Freelance & Consulting
Day rates, capacity, take-home
4 STEPS
How to Use Consulting Day Rate Calculator
Calculate your ideal consulting day rate based on income goals, overhead, taxes, and billable utilization to price engagements confidently.
Read guide →
6 STEPS
How to Use Freelance Rate + Capacity Planner
Calculate your ideal freelance rate and optimize capacity using this planner. Factor in desired income, expenses, and billable hours for sustainable growth.
Read guide →
4 STEPS
How to Use Freelance Tax Estimator
Estimate your freelance self-employment and income taxes, calculate quarterly payments, and understand your effective tax rate and take-home pay.
Read guide →
6 STEPS
How to Use Hourly to Salary Converter
Convert your hourly wage into an annual salary equivalent. Understand your true earning potential, compare job offers, and budget effectively.
Read guide →
5 STEPS
How to Use Invoice Late Fee & Interest Calculator
Calculate accurate late fees and interest on overdue invoices. Master our guide to determine what your business is owed and improve cash flow.
Read guide →
5 STEPS
How to Use Meeting Cost Calculator
Calculate the true financial impact of your business meetings. Learn to use the Meeting Cost Calculator to identify waste, improve efficiency, and save.
Read guide →
4 STEPS
How to Use Project Pricing Calculator
Build accurate fixed-price project quotes by combining hourly estimates, complexity multipliers, risk buffers, and client discounts into one final number.
Read guide →
6 STEPS
How to Use Salary / Paycheck Calculator
How to use Salary / Paycheck calculator: master your take-home pay! This guide explains how to use a salary calculator to accurately estimate net pay.
Read guide →
5 STEPS
How to Use Scope Creep Cost Calculator
Calculate the hidden financial impact of project scope creep. Understand how expanded requirements, delays, and resource allocation affect your budget.
Read guide →
5 STEPS
How to Use Time Zone Overlap Planner
Find the overlap hours between two time zones for cross-region collaboration. Optimizes meeting blocks for distributed teams without burning everyone out.
Read guide →
Adjacent surfaces