# CloseCalc > CloseCalc offers free, no-signup calculators for sales teams: commission (with tiers and accelerators), pipeline coverage, cold email ROI, and discount break-even. All formulas are transparent and documented on each page. ## Calculators - [Sales commission calculator](/commission): base + accelerator payout math, attainment and effective rate - [Pipeline coverage calculator](/pipeline-coverage): required pipeline = quota ÷ win rate; honest coverage ratios - [Cold email ROI calculator](/cold-email-roi): full funnel model with 2026 benchmark reply rates - [Discount break-even calculator](/discount-impact): volume increase = discount ÷ (margin − discount) ## Related - [AgentReady](https://agentready.agiscorecard.com): free AI sales-visibility scanner for the agentic-commerce era - [SellToAgents](https://selltoagents.agiscorecard.com): merchant guides to selling through AI agents