Money math for salaries, side income, and creators.
Finance
Salary & Freelance Net Pay
Compare your true monthly take-home pay after payroll taxes and find your exact freelance break-even contract value.
Finance & FIRECompound & Dividend Calculator
Simulate how dividend reinvestment (DRIP) and monthly contributions compound into passive monthly cash flow.
Finance & FIRELoan & Mortgage Calculator
Calculate your exact monthly payment, total lifetime interest, and how much you save with Equal Principal repayment.
Finance & FIREFIRE & Inflation Calculator
Compute your real inflation-adjusted FIRE number, years until retirement, and how side income slashes your target nest egg.
Creators & sellers
YouTube RPM Revenue Calculator
Calculate your exact monthly YouTube earnings combining Shorts feed RPM, long-form mid-roll RPM, and sponsor integrations.
Creator & AdSenseAdSense Revenue Calculator
Model how small improvements in CPC, CTR, and pages-per-visit multiply your monthly programmatic SEO & blog ad income.
E-Commerce & ROASSeller Margin & ROAS Calculator
Determine your exact profit per order after COGS, marketplace fees, fulfillment, and ad CPA—plus your true Break-Even ROAS.
Creator & AdSenseNewsletter Revenue Calculator
Price your newsletter ad slots accurately using unique opens & niche CPM, and model recurring paid membership revenue.
AI & business
LLM API Cost Calculator
Benchmark monthly API spend across top frontier and lightweight models with prompt caching and hybrid routing savings.
SaaS & FreelanceSaaS Break-Even & MRR
Find out exactly how many paying users you need to break even and project your MRR, ARR, LTV, and exit valuation.
AI & LLM TokensPrompt & Token Counter
Type or paste your text below to get real-time character counts, UTF-8 bytes, word metrics, and estimated LLM token usage.
SaaS & FreelanceFreelance Rate & Quote Calculator
Stop undercharging: factor in non-billable admin hours, business overhead, and scope-creep buffers to price your next project profitably.
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