Business & Professional

Free A/B Test Sample Size Calculator — determine the minimum sample size per variation needed to detect a statistically significant result, estimate test duration, and analyze post-test significance with p-value, z-score, and confidence intervals.

Free Annual Recurring Revenue (ARR) calculator for SaaS businesses. Calculate ARR from MRR, customer counts, pricing tiers, or ARR components. Includes waterfall bridge, 12-month projections, NRR, CLV, and valuation multiples.

Free Customer Acquisition Cost (CAC) calculator — compute how much it costs to acquire each new customer, measure LTV:CAC ratio, calculate payback period, and compare your performance against industry benchmarks for SaaS, e-commerce, and more.

Free Customer Lifetime Value (CLV) calculator — compute LTV using SaaS/subscription, simple eCommerce, or DCF-traditional formulas. Includes LTV:CAC ratio, CAC payback period, cohort projection chart, and churn sensitivity analysis.

Free cost per hire calculator — calculate your total recruiting cost per hire, split internal and external costs, benchmark against SHRM data, and project annual hiring budgets.

Free Cost Per Click (CPC) Calculator — calculate CPC, campaign ROI, ROAS, CPA, and CPM/CTR metrics. Compare your CPC against platform and industry benchmarks.

Free Cost Per Mille (CPM) calculator — solve for CPM, total ad spend, or impressions instantly. Includes platform benchmarks, CPC/CTR metrics, budget planner, and ROI tracking for Google, Facebook, LinkedIn, TikTok, and more.

Free Critical Path Method (CPM) calculator with Gantt chart — compute ES, EF, LS, LF, Total Float, Free Float, and the critical path for any project network.

Free Cycle Time Calculator — calculate manufacturing cycle time, takt time, production rate, and process efficiency. Supports basic, net production time, and quality-adjusted formulas.

Free Net Promoter Score (NPS) calculator — enter your survey responses by score or aggregate totals, get your NPS instantly with segment breakdown, industry benchmark comparison, and actionable improvement tips.

Free Overall Equipment Effectiveness (OEE) calculator — measure Availability, Performance, and Quality to find your hidden factory and eliminate the Six Big Losses.

Free Return on Ad Spend (ROAS) calculator with three modes: simple ROAS, campaign planner, and goal solver. Calculate your ROAS ratio, percentage, break-even ROAS, and compare against industry benchmarks.

Free Salary Benchmarking Calculator — compare your compensation against market percentiles (P10–P90), calculate your compa-ratio, generate a pay band, and see total compensation estimates for 50+ roles across all industries and US locations.

Free Sprint Velocity Calculator for Agile teams — track story points per sprint, forecast release dates, and measure team consistency with optimistic, expected, and pessimistic scenario analysis.

Free Takt Time calculator for lean manufacturing — compute the maximum allowed production time per unit from net available time and customer demand, compare cycle time vs takt time, and determine operator requirements.

Free Throughput Calculator — calculate production throughput rate, cycle time, capacity utilization, and throughput time for manufacturing and operations management.

Free Total Compensation Calculator — add base salary, bonus, health benefits, 401(k) match, PTO value, equity, and perks to reveal your true package worth in seconds.