Free Case Interview Tools

Learn the method, drill the skills, and rehearse the real interview.

Tool directory

A direct, citable index of what each Road to Offer tool accepts and returns.

Every free Road to Offer tool, grouped by type, with what it takes as input and what it returns.
ToolYou give itYou get backBest for
Application
Consulting Resume GraderPDF or DOCX resumeScore, evidence-based strengths, and priority fixesApplications and resume rewrites
Calculator
CAGR CalculatorStarting value, ending value, and yearsCAGR, calculation steps, and interpretationGrowth and market-attractiveness cases
Breakeven CalculatorPrice, variable cost, fixed cost, and target profitContribution margin, units, revenue, and formulaPricing and unit-economics cases
Market Size CalculatorPopulation, penetration, frequency, price, and assumptionsMarket estimate, assumption tree, and sanity checksMarket sizing and market-entry cases
Builder
Case Structure BuilderCase objective, branches, and sub-branchesEditable issue tree with AI feedbackOpening frameworks and prioritization
Issue Tree ExamplesCase type and business objectiveWorked issue trees and a practice builderLearning MECE structure patterns
AI drill
Market Sizing QuestionsAssumptions, calculation, units, and sanity checkWorked approach and AI feedbackSizing fluency under interview conditions
Case Structure Practice ToolIssue tree and prioritizationAI feedback on coverage, overlap, and depthThe first two minutes of a case
Case Brainstorming Practice ToolStructured idea list and priorityAI feedback on breadth, specificity, and organizationCreativity and structured ideation
Case Math Practice ToolFormula, calculation, units, and interpretationAI feedback on setup, accuracy, and communicationQuantitative case fluency
Market Sizing Practice ToolScope, assumptions, calculation, and conclusionAI feedback on logic, math, and reasonablenessEnd-to-end sizing practice
Case Chart Practice ToolObservation, implication, and next testAI feedback on accuracy and the so-whatChart and table interpretation
Case Synthesis Practice ToolRecommendation, evidence, risks, and next stepsAI feedback on clarity, support, and completenessFinal recommendations
Assessment
BCG CCA SimulatorAnswers to original CCA-style questionsQuestion-level results and worked solutionsBCG online-assessment preparation
BCG Casey SimulatorStructure, quantitative answers, ideas, and synthesisDimension-level scoring and feedbackBCG Casey preparation

Frequently asked questions

Are the case interview tools free?

The calculators and builders open without a paid plan. AI-graded tool pages include one anonymous graded practice response before the signup continuation.

Which tool should I use first?

Use the case structure tool if you are early in preparation. Use the CAGR, breakeven, and market sizing tools when you need quantitative practice. Use the assessment simulators when a firm has invited you to an online test.

Can I link directly to an individual tool?

Yes. Every catalog row links to the canonical public URL for that calculator, builder, simulator, or drill.