All calculators
Every calculator currently available on Business Math Lab.
Customer Acquisition Cost Calculator
Estimate your blended customer acquisition cost from a quick total or a full marketing-and-sales cost build-up, with optional CAC-by-channel comparison.
Customer Lifetime Value (CLV/LTV) Calculator
Estimate customer lifetime value (CLV/LTV) from subscription revenue and churn or from transactional order value, purchase frequency, and lifespan, with an optional portfolio-wide value estimate.
Economic Order Quantity (EOQ) Calculator
Calculate EOQ with the economic order quantity formula, including total ordering and holding costs and an optional comparison against your current ordering policy.
Employee Turnover Cost Calculator
Estimate how many employees are likely to leave this year and what that turnover costs, from a quick percentage or a full advanced cost build-up.
Gross Margin Calculator
Calculate gross profit and gross margin, also called gross profit margin, from revenue and cost of goods sold (COGS).
Inventory Carrying Cost Calculator
Estimate the annual and monthly cost of holding your inventory, from a quick percentage or a full cost build-up.
LTV:CAC Ratio Calculator
Compare customer lifetime value with acquisition cost, measure the gap versus your own target ratio, and see what would need to change to reach it.
Markup Calculator
Calculate markup amount and markup percentage from cost and selling price, with the equivalent profit margin for comparison.
Profit Margin Calculator
Calculate profit and profit margin from revenue and total cost, with cost share and support for negative results.
Reorder Point Calculator
Calculate when to reorder stock with a known safety stock, an Average-Max buffer, or a service-level statistical buffer — no separate safety-stock calculation required first.
Safety Stock Calculator
Estimate a safety stock buffer with a quick Average-Max method or an advanced service-level statistical method, plus an optional reorder-point figure.