// business & finance

📊 Business & Finance

Impact metrics, growth and money maths for business decisions.

Commission Calculator commission = sales × rate% ; total = base + commission

Markup Calculator price = cost × (1 + markup%/100) ; margin% = profit / price

CAC Reduction Impact Calculator customers = budget / CAC ; savings = customers × (old CAC − new CAC)

Churn Rate Impact Calculator annual lost ≈ customers × (1 − (1 − monthly churn)¹²)

Conversion Rate Impact Calculator conversions = visitors × rate ; revenue = conversions × value

Customer Retention Impact Calculator retained = customers × retention% ; revenue = retained × value

GDP Growth Impact Calculator new GDP = current × (1 + growth%/100)

Inflation Impact Calculator future price = amount × (1 + rate)^years ; real value = amount / (1 + rate)^years

Interest Rate Change Impact Calculator annual interest = balance × rate ; compare old vs new rate

Investment Return Impact Calculator future value = principal × (1 + rate)^years

LTV Improvement Impact Calculator LTV = ARPU × gross margin% × lifespan ; compare before/after

Marketing Spend Impact Calculator revenue = spend × ROAS ; Δrevenue = Δspend × ROAS

Portfolio Risk Impact Calculator σp = √(w1²σ1² + w2²σ2² + 2 w1 w2 ρ1₂ σ1 σ2)

Price Change Impact Calculator %Δ quantity = elasticity × %Δ price ; revenue = price × quantity

Profit Impact Calculator new profit = revenue×(1+r%) − cost×(1+c%)

Revenue Impact Calculator new revenue = current × (1 + change%/100)

Salary Increase Impact Calculator new salary = current × (1 + rise%/100)

Sales Volume Impact Calculator new volume = current × (1 + change%/100)

Tax Rate Change Impact Calculator tax = income × rate ; net = income − tax (flat-rate estimate)