Business calculations for better decisions.
Calculate financing costs, profitability, customer economics, return on investment, and other core business metrics with practical tools built for business owners.

THE STACK MATRIX
Plan. Connect. Grow.
Not sure where to start?
Find the right tool for your situation.
Finance
Need financing or cash-flow planning?
Compare loan options, model debt capacity, and forecast cash flow.
Pricing
Working on pricing or margins?
Analyze markup, margins, contribution, and target profit.
Sales & Revenue
Planning a revenue target?
Work through pipeline, lead generation, team capacity, and timing.
Marketing
Planning a marketing experiment?
Plan channel experiments, lead budgets, and content calendars.
Business OS / Plan → measure → decide
Keep the plan. Learn from the result.
Go beyond a one-off calculation with the four business kits, saved scenarios, monthly results, decisions, and reviews in one protected planning workspace.
Explore Business OS →- 01 / Plan one decisionChoose a cash-flow, pricing, sales, or marketing question and save your assumptions.
- 02 / Record what happenedCompare customer-entered monthly results with your optional targets and forecasts.
- 03 / Choose what comes nextKeep decision notes, review lessons, and dated follow-ups. Estimates are not guarantees.
Free Tools
Start with a calculation
Business Loan Calculator
Estimate business loan payments, total interest, and repayment cost.
Open Calculator →Loan Payment Calculator
Calculate monthly payments based on loan amount, rate, and term.
Open Calculator →Break-Even Calculator
Calculate the sales volume or revenue needed to break even.
Open Calculator →ROI Calculator
Calculate return on investment, net return, and return multiple.
Open Calculator →Profit Margin Calculator
Calculate gross profit, operating profit, and business margins.
Open Calculator →Customer Acquisition Cost Calculator
Calculate CAC from marketing spend, sales spend, and new customers.
Open Calculator →Business Metrics
Understand the numbers behind your business.
Explore customer acquisition cost, customer lifetime value, ROI, and profit margin calculators in one place.
Business Finance Tools Kit
Go beyond individual calculations.
Compare financing options, model debt capacity, analyze break-even scenarios, forecast cash flow, and test business assumptions with the Business Finance Tools Kit.
Explore Finance Tools KitPricing & Unit Economics Kit
Turn margin calculations into pricing scenarios.
Compare pricing options, test markup and margin changes, plan for target profit, and analyze contribution margin with dedicated pricing tools.
Explore Pricing & Unit Economics KitSales & Revenue Kit
Turn a revenue goal into an actionable sales plan.
Work through sales target, pipeline, lead generation, team capacity, sales-cycle timing, and customer economics with a connected set of sales planning tools.
Explore Sales & Revenue KitMarketing & Customer Growth Kit
Plan and measure marketing growth experiments.
Define a growth objective, compare channel experiments, plan lead budgets, review customer economics, and organize a content calendar with save, restore, and export support.
Explore Marketing & Customer Growth Kit