Full financial picture
Revenue streams, cost structures, growth, profit waterfall, break-even, ROI, and cash flow in one coherent model with zero formula contradictions.
Mathematical Modeling EngineDecimal.js • Local-First
Know what your business numbers actually say
Turn your business idea into a complete mathematical model: revenue, costs, customers, tax, and financing. Stress-test every scenario before spending real capital.
No registration required•Runs 100% offline•Zero floating-point drift
Break-even AnalysisMRR / ARR DynamicsRunway SimulationLTV : CAC Unit Economics12-Month Cash FlowPayback MultiplesContribution MarginsInvestor DilutionVAT & GST SplitTwo-Variable SensitivityROI WaterfallDebt AmortizationBreak-even AnalysisMRR / ARR DynamicsRunway SimulationLTV : CAC Unit Economics12-Month Cash FlowPayback MultiplesContribution MarginsInvestor DilutionVAT & GST SplitTwo-Variable SensitivityROI WaterfallDebt Amortization
Interactive Workspace
Explore every dimension of your business
Switch between core views below to see how MakeSense connects assumptions, statements, and scenario analysis into one coherent model.
MakeSense: Executive Dashboard
Engine ReadyInteractive App
Year 1 Revenue
₹4.8MNormalized aggregate
Gross Margin
84.2%After variable costs
Runway
18 MonthsAt planned burn
Instant financial health across all active models
Year-one revenue, profit waterfall, runway months, and deterministic mathematical observations computed in real-time.
Instant Math
Try the calculation engine in real-time
Adjust the sliders below to see live unit economics and break-even points recalculate instantly on your device.
Live Math Sandbox
Instant Decimal.js Engine₹1,500/mo
₹200₹5,000₹15,000
250 customers
105002,000
₹120,000/mo
₹10k₹250k₹800k
15%
0%25%50%
Calculated Outcome
Monthly Revenue (MRR)
₹3.75 Lakh
ARR: ₹45.00 Lakh
Net Monthly Profit
+₹1.99 Lakh
Margin: 85.0%
Break-even Coverage250 / 95 units (200%)
Over break-even by 155 customers. Business is generating cash.
Zero server latency. 100% private.
Build Full ModelBuilt For Decisions
Everything required to model real business economics
Scenarios without spreadsheets
Conservative to aggressive, side by side. Every number traces back to an assumption you set, so debates end quickly with pure math.
Tax aware
Corporate tax with loss carryforward, VAT and GST splits, and a Nepal preset ready on first launch alongside customizable global profiles.
Multi-currency
Model in rupees, dollars, or euros. Conversions keep their rate, date, and source attached for every figure without floating-point errors.
Financing options
Founder capital, amortized loans, and investor dilution with implied valuation: compare funding paths before signing anything.
Private by design
Everything runs and stays on your device in IndexedDB. No account, no uploads, and no analytics tracking your financial numbers.
Workflow
Idea to decision in three passes
- 01
Describe the business
Pick a template or start blank. Prices, costs, growth, and churn: enter plain numbers, saved instantly as you type.
- 02
Read the projections
Monthly profit, cash trajectory, break-even point, and unit economics appear instantly with every formula inspectable.
- 03
Stress-test the decision
Twist assumptions across scenarios and two-variable sensitivity grids, then export a report ready for partners or banks.
Calculator hub
Money and business, answered in plain math
Fast calculators with the formula shown and a worked example. Pick the side of your life that needs a number today.
For your money
Personal finance tools
- Salary calculatorHourly, daily, weekly, monthly and yearly income
- Savings goalTime to reach a goal at your current savings
- Can I afford itHow long until you can buy the thing
- Year from nowYour savings 12, 24 and 36 months ahead
- Income vs expensesSurplus, deficit and savings rate each month
- Emergency fundMonths of cover and how long to build it
For your business
Business calculators
- Business profitabilityFull profit and loss snapshot
- Profit marginGross, operating and net margins
- Revenue projectionGrowth-compounded monthly revenue
- Break-even pointUnits and revenue to cover costs
Prefer reading first? Explore the financial guides - runway, revenue estimation and LTV:CAC explained with worked examples.
Your business model is nobody else's business
Models are stored privately on your device via IndexedDB. No accounts, no external servers holding your proprietary spreadsheets, and zero tracking. Read the privacy policy.
Model it before you build it
Ten minutes with honest numbers beats ten months of guessing. Start with a template and customize everything.
Create your first modelProjections are mathematical consequences of the assumptions you enter, not predictions of what will happen. Validate figures with an accountant before making financial commitments.