All Calculators
Browse our complete collection of 86 calculators across 9 categories.
Free, instant calculators for the metrics that matter. From SaaS revenue and unit economics to AI costs, side hustle income, and personal finance — every calculator is 100% free with no account required. Results update live as you type, and nothing leaves your device. Built for founders, operators, creators, and anyone who needs answers fast.
Revenue Metrics
View all →MRR, ARR, ARPU, and revenue analysis calculators
MRR Calculator
Calculate your Monthly Recurring Revenue (MRR) and Annual Recurring Revenue (ARR) instantly.
LTV Calculator
Calculate Customer Lifetime Value (LTV) and LTV:CAC ratio for your SaaS business.
ARPU Calculator
Calculate Average Revenue Per User (ARPU) to understand your per-customer revenue.
Net Revenue Retention Calculator (NRR)
Calculate your Net Revenue Retention (NRR) rate to measure how much revenue you retain from existing customers including expansions and downgrades.
Gross Margin Calculator
Calculate your gross margin percentage, gross profit, and COGS percentage to understand your business profitability.
MRR Growth Rate Calculator
Calculate your month-over-month MRR growth rate to measure your SaaS company's growth trajectory.
ACV Calculator
Calculate your Annual Contract Value (ACV) and Total Contract Value (TCV) for subscription agreements.
Trial-to-Paid Conversion Rate Calculator
Calculate the percentage of trial users who convert to paying customers and understand your trial funnel efficiency.
Expansion Revenue Rate Calculator
Calculate the percentage of revenue growth from existing customers through upsells, cross-sells, and upgrades.
Unit Economics
View all →CAC, LTV, payback period, gross margin, and burn rate
CAC Payback Period Calculator
Calculate how many months it takes to recover your customer acquisition cost through gross margin contribution.
CAC to LTV Ratio Calculator
Calculate your LTV to CAC ratio - the most important unit economics metric for SaaS businesses.
Contribution Margin Calculator
Calculate your contribution margin - revenue minus variable costs - to understand per-unit profitability.
Operating Margin Calculator
Calculate your operating margin - operating income divided by revenue - to measure your business profitability.
Net Cash Flow Calculator
Calculate your net cash flow, burn rate, and determine whether your business is cash flow positive or negative.
Churn & Retention
View all →Monthly churn, annual churn, and customer retention
Churn Rate Calculator
Calculate your monthly and annual churn rate to understand customer retention.
Customer Health Score Calculator
Calculate your customer health score based on NPS, product usage, support tickets, and engagement to predict retention risk.
Net Promoter Score (NPS) Calculator
Calculate your Net Promoter Score from survey responses - measure customer loyalty and predict growth.
Growth & Efficiency
View all →Quick ratio, magic number, rule of 40, and growth metrics
CAC Calculator
Calculate your Customer Acquisition Cost (CAC) to understand how much you spend to acquire each new customer.
Burn Rate & Burn Multiple Calculator
Calculate your monthly gross burn, net burn, cash runway, and burn multiple to understand your capital efficiency.
Quick Ratio Calculator
Calculate your SaaS quick ratio to measure growth efficiency - the ratio of new + expansion MRR to churned + contraction MRR.
Magic Number Calculator
Calculate your SaaS Magic Number to measure sales and marketing efficiency - new ARR divided by prior quarter sales & marketing spend.
Rule of 40 Calculator
Calculate your Rule of 40 score - revenue growth rate plus profit margin - to measure your SaaS company's health.
Revenue Per Employee Calculator
Calculate your revenue per employee to measure workforce efficiency and compare against industry benchmarks.
Activation Rate Calculator
Calculate the percentage of new signups that reach activation - your product's 'aha moment' and key leading indicator of retention.
Lead-to-Customer Conversion Rate Calculator
Calculate what percentage of your leads convert into paying customers and measure your sales funnel efficiency.
Conversion Rate CalculatorstarNew
Calculate your conversion rate from visitors to customers with total conversions and non-converting visitor breakdown.
CPC Calculator (Cost Per Click)starNew
Calculate Cost Per Click (CPC) for your advertising campaigns based on total cost and clicks generated.
CTR Calculator (Click-Through Rate)starNew
Calculate Click-Through Rate (CTR) for your ads, emails, and content based on impressions and clicks.
ROAS Calculator (Return on Ad Spend)starNew
Calculate Return on Ad Spend (ROAS), net return, and profit margin for your advertising campaigns.
AI Cost
View all →API costs for Claude, ChatGPT, Gemini, and image generation models
Claude API Cost Calculator
Calculate your Anthropic Claude API costs by model (Haiku, Sonnet, Opus), tokens, and usage volume.
ChatGPT API Cost Calculator
Calculate your OpenAI ChatGPT API costs by model (GPT-4o, GPT-4, GPT-3.5 Turbo), tokens, and usage volume.
Gemini API Cost Calculator
Calculate Google Gemini API costs by model tier, tokens, and usage volume for your AI applications.
Grok API Cost Calculator
Calculate xAI Grok API costs based on token usage, model version, and call volume.
AI Image Generation Cost Calculator
Compare costs for AI image generation across DALL-E, Midjourney, and Stable Diffusion models.
AI Fine-Tuning Cost Calculator
Calculate the cost of fine-tuning AI models including training and ongoing inference expenses.
AI Model Cost Comparison Calculator
Compare API costs across Claude, GPT, and Gemini models by input/output tokens and daily call volume to find the most cost-effective AI provider.
Perplexity API Cost Calculator
Calculate your Perplexity API costs for Sonar and Sonar Pro models by tokens and usage volume for search-augmented generation.
Cloud Infrastructure Cost CalculatorstarNew
Estimate monthly and annual cloud infrastructure costs including compute, storage, data transfer, and managed services.
GPU Compute Cost CalculatorstarNew
Calculate GPU cloud compute costs including on-demand vs spot pricing, monthly and annual projections for AI/ML workloads.
Side Hustle
View all →YouTube, freelance, Etsy, gig work, and creator income calculators
YouTube Ad Revenue Calculator
Estimate your YouTube channel earnings based on views, RPM, and engagement metrics.
Freelance Hourly Rate Calculator
Calculate your optimal freelance hourly rate based on desired income, billable hours, expenses, and taxes.
Gig Worker Take-Home Pay Calculator
Calculate your net income after expenses and taxes for rideshare, delivery, and gig economy work.
Etsy Profit Margin Calculator
Calculate your Etsy store profit margins after fees, materials, shipping, and other costs.
Podcast Revenue Calculator
Estimate your podcast earnings from ads, sponsorships, and listener support.
Newsletter Revenue Calculator
Calculate your newsletter income from paid subscriptions and sponsorships based on subscriber count and engagement.
Amazon FBA Revenue Calculator
Calculate Amazon FBA profit margins after referral fees, fulfillment fees, storage, and advertising costs.
Affiliate Marketing Income Calculator
Project your affiliate marketing earnings based on traffic, click-through rates, conversion rates, and commissions.
Blogging Income Potential Calculator
Estimate your blog's revenue potential from ads, affiliates, sponsorships, and digital products.
Twitch Revenue Calculator
Estimate your Twitch streaming income from subscriptions, ads, and Bits donations.
Subscription Content Revenue Calculator
Estimate income from subscription-based content platforms like OnlyFans, Patreon, and FanCentro.
Print-on-Demand Profit Calculator
Calculate your print-on-demand store profits after product costs, printing, platform fees, and shipping.
Dropshipping Margin Calculator
Calculate your dropshipping profit margins after product costs, shipping, platform fees, ad spend, and returns.
TikTok Creator Fund Calculator
Estimate your TikTok Creator Fund payouts based on views, region, engagement, and video length.
Side Income Tax Calculator
Estimate taxes on your side hustle income including self-employment tax, federal, and state taxes.
CPM Calculator (Cost Per Mille)starNew
Calculate Cost Per Mille (CPM) — the cost per 1,000 ad impressions — for advertising campaigns and content monetization.
Personal Finance
View all →FIRE, savings, investments, debt payoff, and retirement planning
FIRE Calculator
Calculate your path to Financial Independence, Retire Early (FIRE) based on savings, contributions, and investment returns.
Savings Rate Calculator
Calculate your savings rate and how long it will take to reach your savings goals based on income and expenses.
Investment Returns Calculator
Project your investment growth with compound returns, regular contributions, and customizable time horizons.
Debt Payoff Calculator
Calculate how long it will take to pay off your debt and how much interest you'll pay with your current payment plan.
Emergency Fund Calculator
Calculate how much you need in your emergency fund and how long it will take to save it based on your expenses.
Mortgage Affordability Calculator
Determine how much house you can afford based on your income, debt, down payment, and current interest rates using the 28/36 rule.
Student Loan Payoff Calculator
Calculate your student loan payoff timeline, total interest paid, and explore strategies like snowball vs avalanche methods.
Rent vs Buy Calculator
Compare the total cost of renting versus buying a home over any time period, factoring in mortgage, taxes, insurance, maintenance, and investment returns.
Credit Card Payoff Calculator
Find out how long it will take to pay off your credit card debt and how much interest you'll pay with your current payment plan.
401k Retirement Calculator
Project your 401k balance at retirement including employer match, compound growth, and estimate your retirement income.
Dividend Income Calculator
Project your dividend income stream from a portfolio of dividend-paying stocks with DRIP (dividend reinvestment) and compounding growth.
General Business
View all →Break-even, ROI, pricing, employee cost, and valuation
Break-Even Analysis Calculator
Calculate how many units you need to sell to break even based on fixed costs, variable costs, and price.
ROI Calculator
Calculate Return on Investment (ROI) and annualized ROI for any business investment or project.
Employee Cost Calculator
Calculate the true cost of an employee including salary, taxes, benefits, equipment, and overhead.
Pricing Strategy Calculator
Compare cost-plus, competitor-based, and value-based pricing strategies for your product or service.
Contractor vs Employee Cost Calculator
Compare the true annual cost of hiring a contractor versus a full-time employee including salary, taxes, benefits, equipment, and overhead.
Business Valuation Calculator
Estimate your business value using revenue multiple and EBITDA multiple methods with growth-adjusted blended valuation.
Cash Runway Calculator
Calculate how many months your startup can operate before running out of cash based on burn rate and revenue growth.
AOV Calculator (Average Order Value)starNew
Calculate Average Order Value (AOV) based on total revenue and number of orders to measure purchase behavior.
Payment Processing Fee CalculatorstarNew
Calculate payment processing fees including transaction fees, chargeback costs, and effective rate for any payment processor.
Stripe Fee CalculatorstarNew
Calculate Stripe payment processing fees including per-transaction fees, percentage fees, and monthly/annual costs with enterprise rate logic.
TAM SAM SOM CalculatorstarNew
Calculate Total Addressable Market (TAM), Serviceable Addressable Market (SAM), and Serviceable Obtainable Market (SOM) with growth projections.
SaaS Deepen
View all →Advanced SaaS metrics: engagement, adoption, cohorts, efficiency
Customer Engagement Score Calculator
Measure customer engagement using DAU/MAU ratio, session frequency, duration, and feature adoption.
Unit Economics Dashboard Calculator
Track your SaaS unit economics with a comprehensive dashboard showing LTV/CAC ratio, contribution margin, payback period, MRR, and gross profit per customer.
Feature Adoption Rate Calculator
Calculate your SaaS feature adoption rate, measure the gap to target adoption, and determine how many additional users need to adopt a feature to hit your goals.
Time to Value Calculator
Calculate your SaaS time-to-value metric, measure how many users achieve value within your target timeframe, and determine whether your onboarding is effective.
Revenue Per User Trend Calculator
Track your ARPU trend over time by comparing previous and current month revenue and user counts to determine if your per-user revenue is growing, stable, or declining.
SaaS Quick Ratio Calculator
Calculate your SaaS quick ratio to measure sales efficiency by comparing new and expansion MRR against churned and contraction MRR.
Cohort Analysis Calculator
Perform cohort retention analysis by tracking how many users from an initial cohort remain active over multiple months and calculating your average retention rate.
SaaS Capital Efficiency Calculator
Calculate your SaaS capital efficiency ratio to understand how effectively you convert invested capital into ARR growth, a key metric for founders and investors.
CAC Payback Period Enhanced Calculator
Calculate your enhanced CAC payback period in months and days accounting for gross margin, giving a more accurate view of how quickly you recoup customer acquisition costs.