What is the difference between margin and markup?

Margin is profit as a share of the selling price; markup is profit as a share of cost. A 50 % markup is a 33 % margin. The calculator shows both.

How are AI API costs estimated?

Tokens per request × requests per month × the provider’s per-token price, for input and output separately. Update the prices on the page as providers change them.

Calculators

Business & AI

Pricing, margins, valuations and AI cost estimates. · 8 tools

Price your work and size the numbers behind a business: hourly billing rates that cover overhead, margins and break-even, a quick valuation, and what an AI feature costs to run at scale.

AI API Cost CalculatorGPT-4o vs Claude 3.5 vs Gemini — compare API costs by token.AI Business CalculatorCalculate AI ROI for your company: time savings and payback period.AI Job Risk CalculatorWill AI replace your job? Calculate risk by profession. Based on McKinsey research.AI Productivity CalculatorHow much do you save with ChatGPT, Copilot or Claude? Calculate ROI.Billing Rate CalculatorConvert salary target to hourly billing rate. Overheads and margin included.Business Valuation CalculatorEstimate company value using EBITDA multiple, revenue multiple, P/E and DCF.Dividend Tax CalculatorDividend tax from a Finnish private company. 8% yield threshold included.YEL Pension CalculatorEntrepreneur pension insurance contribution from YEL income. 2026 rates.

Business & AI

Frequently asked questions