P&L Calculator

Guides

Understand the number, not just the answer.

Short, practical explainers for the calculations that shape trades, prices and business decisions.

62 guides · Page 4 of 6

Tactile editorial illustration representing the cac and ltv calculationBusiness fundamentals · 6 min readCAC, LTV and Payback Period: A Practical Calculation GuideCAC measures acquisition spending per new customer, while LTV estimates gross profit produced across the customer relationshipRead guide →Tactile editorial illustration representing the burn rate and runway calculationBusiness fundamentals · 6 min readBurn Rate and Runway: How Long Will the Cash Last?Burn rate describes net cash consumed in a period; runway divides available cash by that rateRead guide →Tactile editorial illustration representing the revenue growth rate calculationBusiness fundamentals · 6 min readHow to Calculate Revenue Growth Rate: Formula and InputsRevenue growth measures the change relative to the earlier periodRead guide →Tactile editorial illustration representing the freelance hourly rate calculationBusiness fundamentals · 6 min readHow to Calculate Freelance Hourly Rate: Formula and InputsA sustainable freelance rate spreads the desired income and business costs across billable hours, not every hour workedRead guide →Tactile editorial illustration representing the loan payment calculationBorrowing & saving · 6 min readHow Monthly Loan Payments and Total Interest Are CalculatedAn amortising payment covers the period’s interest and reduces principal so the balance reaches zero at the end of the termRead guide →Tactile editorial illustration representing the early loan payoff calculationBorrowing & saving · 6 min readHow to Calculate Early Loan Repayment and Interest SavedAn early loan repayment plan uses extra payments to reduce principal faster, which lowers the balance used for later interest calculationsRead guide →Tactile editorial illustration representing the auto loan calculationBorrowing & saving · 6 min readHow to Calculate Auto Loan: Formula and InputsAn auto-loan payment begins with the amount financed, not merely the sticker priceRead guide →Tactile editorial illustration representing the credit card payoff calculationBorrowing & saving · 6 min readHow Long Will It Take to Pay Off a Credit Card?A card payoff schedule charges monthly interest on the remaining balance, then applies the rest of the payment to principalRead guide →Tactile editorial illustration representing the savings goal calculationBorrowing & saving · 6 min readHow to Calculate Savings Goal: Formula and InputsA savings-goal calculation solves for the repeated contribution needed after allowing the existing balance to growRead guide →Tactile editorial illustration representing the simple vs compound interest calculationBorrowing & saving · 6 min readSimple vs Compound Interest: Formulas and Worked ExampleThe simple interest formula uses only the original principal, while the compound interest formula also applies interest to prior interestRead guide →Tactile editorial illustration representing the retirement savings calculationBorrowing & saving · 6 min readHow to Calculate Retirement Savings: Formula and InputsA retirement projection compounds an existing balance and a stream of future contributions over a long horizonRead guide →Tactile editorial illustration representing the emergency fund calculationBorrowing & saving · 6 min readHow to Calculate Emergency Fund: Formula and InputsAn emergency-fund target multiplies essential monthly expenses by the desired months of coverRead guide →