Use these calculators to test pricing, margin, runway, cash collection, and billing assumptions before changing an operating decision.
Work and pricing
Business Tools
Practical tools for rates, invoices, cash flow, cash runway, profit, pricing, and small business planning.
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Tools in this category
Cash Runway CalculatorUse this cash runway calculator to compare net burn, adjusted expenses, monthly position, and runway before hiring, revenue, or fundraising decisions.Small Business Cash Flow PlannerUse this small business cash flow planner to check bank-balance runway, 30/60/90 day cash timing, tax reserve, receivables, payables, owner draw, and reserve gap.Profit Margin CalculatorUse this profit margin calculator to compare revenue, cost of goods, operating expenses, gross profit, net profit, markup, break-even revenue, and revenue for target margin.Freelance Rate CalculatorUse this freelance rate calculator to work backward from your take-home income goal, tax reserve, business expenses, billable hours, and time off.Invoice GeneratorUse this invoice generator to choose a currency, calculate line item totals, due date, subtotal, discount, tax, and balance due, then print or save the invoice preview as a PDF.Net Payment Terms CalculatorUse this net payment terms calculator to compare Net 15, Net 30, Net 60, expected delay, annual cash cost, monthly late fee, and net after cash cost.Agency Margin CalculatorUse this agency margin calculator to compare client or agency revenue against delivery hours, blended labor cost, pass-through costs, overhead, labor cost, delivery cost, and operating profit.Staffing Agency Markup CalculatorUse pay rate, burden, and markup inputs to see how a temp or staffing assignment translates into client billing and estimated gross profit.Retainer Pricing CalculatorUse this retainer pricing calculator to price monthly client work from delivery cost, overhead, target margin, and scope buffer while checking effective hourly revenue and expected profit.Client Profitability CalculatorUse this client profitability calculator to see whether a client, account, or retainer is profitable by comparing revenue per hour, profit per hour, delivery load, support time, tools, and pass-through costs.Burn Multiple CalculatorUse this burn multiple calculator to compare same period monthly net burn, total burn, net new ARR, ARR growth, burn multiple, and cash efficiency before reviewing runway or SaaS growth assumptions.Startup Dilution CalculatorUse this startup dilution calculator to estimate how an investment and option pool change ownership percentages.
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Break-Even CalculatorUse this break-even calculator to estimate how fixed costs, price per unit, variable cost per unit, contribution margin, and target profit affect break-even units and revenue.MRR CalculatorUse this MRR calculator to compare same period starting MRR, new-logo MRR, expansion, contraction, churn, net new MRR, ending MRR, MRR growth, and ARR run rate for subscription planning.Churn Rate CalculatorUse this churn rate calculator to compare same period customer churn, revenue churn, retained customers, retained MRR, and retention signals before reviewing MRR, LTV/CAC, runway, and burn.LTV CAC CalculatorUse this LTV CAC calculator to estimate gross profit per month, customer lifetime months, estimated LTV, LTV/CAC ratio, CAC payback, and whether acquisition economics are plausible.Contractor Day Rate CalculatorUse this contractor day rate calculator to work backward from income goal, taxes, expenses, and realistic billable days.Google AdSense CalculatorToolkit Shelf is independent and is not affiliated with Google or Google AdSense. Use this calculator to compare RPM and CPC revenue scenarios before planning content, traffic, or monetization targets.CPC and CPM CalculatorUse this CPC and CPM calculator to compare response efficiency and reach cost before moving budget between campaigns, channels, or creative tests.CPA Calculator - Cost per AcquisitionUse this CPA calculator to compare campaign-level acquisition efficiency before scaling, pausing, or reallocating paid budget.Consulting Fees CalculatorUse this consulting fees calculator to turn scoped hours into a proposal price with overhead, buffer, expenses, and discount visible.Lerner Index CalculatorUse this Lerner Index calculator to screen SKU pricing power before reviewing elasticity, competitor pricing, contracts, or price-change scenarios.GRP CalculatorUse this GRP calculator to compare awareness campaign media weight before reviewing CPM, CPC, conversion quality, audience overlap, or budget shifts.Conversion Rate CalculatorUse this conversion rate calculator to compare funnel, landing page, campaign, or signup performance without mixing event definitions.CTR CalculatorUse this CTR calculator to compare creative, placement, email, search, or social performance while keeping click and impression definitions consistent.Average Collection Period CalculatorUse this average collection period calculator to spot slower collections before they distort cash-flow, runway, or credit-policy decisions.Additional Funds Needed CalculatorUse this additional funds needed calculator to test whether projected growth is self-funding or likely to require new debt, equity, or working-capital changes.Accumulated Depreciation CalculatorUse this accumulated depreciation calculator to reconcile book value, replacement timing, and asset schedule assumptions before budget or reporting decisions.Burndown Chart CalculatorUse this burndown chart calculator to check whether a sprint or fixed-scope delivery plan is ahead, on track, or at risk before changing scope or dates.EVM CalculatorUse this EVM calculator to separate cost risk from schedule risk before project recovery decisions are made.Direct Material Price Variance CalculatorUse this direct material price variance calculator to isolate supplier unit-price movement from usage, mix, or quantity effects.FIFO Calculator for InventoryUse this FIFO inventory calculator to model oldest-first inventory depletion before reviewing margin, stock value, or accounting scenarios.HHI Calculator & Normalized HHI FormulaUse this HHI calculator to compare standard, share-adjusted, and 0-1 normalized concentration before a deeper competition, pricing, or strategy review.Labor Cost CalculatorUse this labor cost calculator to see the full employer cost of staffing beyond the base hourly wage.Payback Period CalculatorUse this payback period calculator as a first-pass screen for investment recovery time before deeper capital budgeting.Profitability Index CalculatorUse this profitability index calculator to compare value created per dollar invested when capital budgets are limited.Decision Matrix CalculatorUse this decision matrix calculator to rank options with visible weights, tradeoffs, and scores before a business, product, or operations decision.Prioritization Score CalculatorUse this prioritization score calculator to compare ideas with RICE or ICE scoring before committing roadmap, automation, or operations capacity.Meeting Cost CalculatorUse this meeting cost calculator to price recurring meetings, planning calls, reviews, and syncs before adding another calendar commitment.Policy Exception Cost CalculatorUse this policy exception cost calculator to price special-case workflows before adding more manual approvals, overrides, refunds, or exception reviews.KPI Guardrail CheckerUse this KPI guardrail checker to make continue, watch, and rollback thresholds visible before a launch, workflow change, vendor rollout, or automation test.Pricing Change Impact CalculatorUse this pricing change impact calculator to compare current price with proposed price before raising prices, discounting, changing packages, or testing a new offer.Build vs Buy CalculatorUse this build vs buy calculator to compare internal build cost with vendor purchase cost before committing team time or budget.Automation ROI CalculatorUse this automation ROI calculator to estimate whether a workflow automation project can pay back after labor, software, setup, maintenance, and rework assumptions.Vendor Comparison CalculatorUse this vendor comparison calculator to rank vendor options with visible cost, fit, support, integration, risk, and weighting assumptions.Manual Review Cost CalculatorUse this manual review cost calculator to estimate review workload, automation savings, and payback before changing an operations workflow.
How to use this hub
Pick the tool by task, then check the assumptions.
Business tools focus on small-business and operator math: cash runway, profit margin, freelance rates, invoice totals, payment terms, agency margin, retainers, client profitability, subscription metrics, dilution, and burn efficiency.
Cash runway, small-business cash flow, profit margin, freelance rate, invoice generator, payment terms, agency margin, retainer pricing, client profitability, break-even, MRR, churn, LTV/CAC, burn multiple, startup dilution, and contractor day-rate pages are live now.
Taxes, contracts, payment terms, collections, refunds, payroll, legal requirements, and accounting treatment can change the real answer.
Common tasks
Start with the job, then open the matching tool.
Find the matching calculator for a specific question.
Estimate runway, burn multiple, payment terms, client profitability, and how delayed cash affects the business.
Model profit margin, break-even points, retainers, agency margin, freelance rates, and contractor day rates.
Check MRR, churn, LTV/CAC, dilution, and operating assumptions before a planning conversation.