The catalogue
All calculators
65 calculators, free and without sign-up. Each one names the paid tool it stands in for, and each one shows its working.
Cash & working capital
What you actually have, when it runs out, and what it costs to bridge the gap.
13-Week Cash Flow Forecast
Find the week your cash gets tightest — before it happens.
Replaces: CFO consulting engagements and $200 spreadsheet templates
AR Aging & Bad Debt Provision
How much of what you are owed you will actually collect.
Replaces: Credit-control consultants and paid receivables modules
Cash Conversion Cycle Calculator
How many days your money is trapped between paying suppliers and getting paid.
Replaces: Working capital consultants and paid CFO dashboards
Early Payment Discount & Factoring APR
Turn “2/10 net 30” or a factoring fee into the annual rate it actually is.
Replaces: Factoring brokers’ private spreadsheets
Free Cash Flow Calculator
The cash left from operating profit after tax, working capital and capital spending.
Replaces: FP&A cash flow models
Inventory Carrying Cost Calculator
What holding stock costs you a year — the number that never appears on an invoice.
Replaces: Supply-chain consulting reviews and paid ERP analytics
Merchant Cash Advance True APR
What a merchant cash advance really costs as an annual rate, not a factor rate.
Replaces: Broker quotes that only show a factor rate
Revenue-Based Financing Cost
What revenue-based financing really costs a year, given how fast your revenue grows.
Replaces: Provider dashboards that show only the repayment cap
Runway & Hiring Plan Calculator
How long the money lasts, and what each new hire costs you in weeks of runway.
Replaces: Paid CFO tooling and $99 founder spreadsheet templates
Seasonal Cash Gap
A seasonal business needs funding for its worst month, not its average one.
Replaces: Bank facility sizing conversations
Working Capital Requirement
How much cash your operation needs standing still — and what growth will cost.
Replaces: Bank facility sizing exercises and CFO consulting
Revenue & accounting
Recognition schedules and roll-forwards that otherwise live inside enterprise software.
Accrual ↔ Cash Basis Converter
Reconcile reported profit to the money that actually moved.
Replaces: Accountant reconciliation work and paid close software
ASC 606 Revenue Recognition Schedule
Turn one contract into the month-by-month schedule your auditor asks for.
Replaces: Ordway, Younium, Sage Intacct and other enterprise rev-rec platforms
Bundle Price Allocation (SSP)
Split a discounted bundle across its parts the way ASC 606 requires.
Replaces: Revenue-recognition consultants and enterprise rev-rec modules
Capitalised Software & Amortisation
What capitalising development spend does to profit — and what it does not do to cash.
Replaces: Fixed-asset modules in paid accounting platforms
Committed vs Usage Revenue Schedule
A contract with a minimum and overage does not recognise in a straight line.
Replaces: Enterprise billing platforms’ revenue modules
Contract Modification Schedule
A customer upgrades mid-term. What happens to the revenue you already booked?
Replaces: Rev-rec platforms and controller judgement calls
Deferred Revenue Roll-Forward
Opening balance, billings, recognition, closing balance — twelve months of it.
Replaces: Enterprise rev-rec platforms and month-end controller spreadsheets
Depreciation Schedule Generator
Straight line, declining balance or sum-of-years — with the tax shield each one buys.
Replaces: Fixed-asset modules in paid accounting software
Lease Accounting Schedule (ASC 842 / IFRS 16)
The lease liability, right-of-use asset and yearly expense a lessee books for a lease.
Replaces: Lease accounting software modules
Payments & merchant costs
The fees your statement is designed not to show you.
Card vs ACH vs Wire Cost Optimizer
What each payment method costs you, and what moving volume between them is worth.
Replaces: Treasury consulting reviews
Chargeback True Cost Calculator
A disputed sale costs far more than the sale. This works out how much more.
Replaces: Consulting reviews and paid dispute-management dashboards
Cross-Border Payout Cost Stack
Every layer taken out of an international payment, added up.
Replaces: Treasury reviews and provider comparison decks
Failed Payment & Dunning Recovery Value
What involuntary churn costs you, and what better recovery is worth.
Replaces: Paid dunning platforms’ own ROI calculators
FX Markup Revealer
The transfer fee is rarely the cost. This finds the part hidden in the rate.
Replaces: Nothing — banks do not publish this number at all
Interchange-Plus vs Blended Pricing
Which pricing model wins depends on your card mix. This finds the tipping point.
Replaces: Payments consultants’ model comparisons
Payment Processor Effective Rate Analyzer
What you are really paying to accept cards, and how much of it is markup.
Replaces: Merchant statement analysis, normally sold per review by consultants
SaaS & unit economics
Retention, payback and the arithmetic behind a growth claim.
Burn Multiple Calculator
How much cash you burn to add each unit of net new ARR, and the band that puts you in.
Replaces: Board-deck benchmarking from investors and consultants
Discount Impact on Margin
How much extra you must sell to stand still after cutting the price.
Replaces: Pricing consultants and the argument you keep losing to sales
E-commerce Contribution per Order
What one online order really leaves after returns, shipping, fees and the ads that won it.
Replaces: Profit dashboards in e-commerce analytics apps
Free Trial vs Freemium
Freemium brings more people. Whether it brings more money is a different question.
Replaces: Growth consulting and pricing workshops
LTV, CAC & Payback Calculator
What a customer is worth, what one costs, and how long until you are square.
Replaces: ChartMogul, Baremetrics and other paid analytics tiers
MRR Movement Waterfall
Where recurring revenue actually went: new, expansion, contraction, churn.
Replaces: ChartMogul, Baremetrics and ProfitWell paid tiers
NRR & GRR Cohort Calculator
What a cohort of customers is worth a year later — and five years later.
Replaces: Cohort analysis in paid subscription analytics tools
Pricing Change Simulator
Raise the price, lose some customers — and see which effect wins.
Replaces: Pricing consultants and paid revenue-modelling tools
Rule of 40 Calculator
Growth plus margin. The single number investors use to judge the trade.
Replaces: Investor benchmarking spreadsheets
SaaS Magic Number
How much new annual revenue each unit of last quarter’s sales and marketing bought.
Replaces: Sales-efficiency benchmarking reports
Sales Capacity & Pipeline Model
How much your team can actually sell, after ramp and attrition.
Replaces: Sales-ops modelling and revenue-planning tools
Cost, payroll & people
What a hire really costs once the extras are counted.
Billable Rate Calculator
The hourly rate that actually pays you what you meant to earn.
Replaces: Consultants’ pricing courses and agency rate cards
Break-Even & Contribution Margin
How much you have to sell before you stop losing money — and what a price change does to it.
Replaces: Business-school templates and paid planning tools
Contractor vs Employee Cost
The day rate that looks expensive next to a salary that is not what it seems.
Replaces: Agency comparison spreadsheets
Employee Turnover Cost
What losing people costs a year, counted properly.
Replaces: HR consulting analyses and paid people-analytics modules
Offshore Hire Cost Delta
The saving after productivity, management overhead and timezone friction.
Replaces: Outsourcing vendors’ own business cases
Revenue Per Employee
Whether the headcount you have matches the revenue you make.
Replaces: Benchmarking reports and board-pack analysis
Sales Commission Plan & OTE Cost
What a rep is paid at any attainment, and what that pay costs per unit of sales.
Replaces: Commission planning software and compensation consultants
True Cost of an Employee
What a hire actually costs once tax, benefits, ramp and recruiting are counted.
Replaces: Cost modelling locked inside paid HR and PEO platforms
Capital & decisions
Lease or buy, build or buy, borrow or wait — with the numbers attached.
Build vs Buy Software
The licence looks expensive until you price what building it really costs.
Replaces: Vendor business cases and internal engineering estimates
DSCR & Covenant Headroom
How far earnings can fall before your lender has a right to act.
Replaces: Bank relationship conversations you would rather have prepared for
Economic Order Quantity & Reorder Point
How much stock to order at a time, and the stock level at which to place the next order.
Replaces: Inventory planning modules in ERP software
Equipment & Automation ROI
What a machine or a system pays back, and when.
Replaces: Vendor ROI calculators built to flatter the vendor
Lease vs Buy (After-Tax NPV)
Which is genuinely cheaper once tax relief, residual value and time are priced in.
Replaces: The analysis accountants charge to produce
Loan True Cost & Effective APR
What a business loan really costs once the fees are counted as interest.
Replaces: Broker spreadsheets and lender-supplied illustrations
Marketing Campaign Profit & ROAS
Whether a campaign made money after margin, returns and fees — not just what ROAS it hit.
Replaces: Agency ROAS reports
NPV & IRR Project Evaluator
Whether an investment is worth making, in today’s money.
Replaces: Corporate finance templates and paid modelling add-ins
WACC Calculator
What your money costs — the hurdle every investment has to clear.
Replaces: Corporate finance templates and valuation course material
Tax & admin
Reverse calculations and schedules that accountants charge to produce.
Landed Cost & Customs Duty
What an imported unit really costs once freight, duty, VAT and fees are added.
Replaces: Freight forwarder and customs broker quotes
Late Payment Interest & Compensation
What a late invoice entitles you to claim, and what it is costing meanwhile.
Replaces: Solicitors’ letters and credit-control services
R&D Capitalisation Tax Impact
When research must be amortised rather than deducted, the tax bill arrives early.
Replaces: Tax advisers’ modelling of the Section 174 change
Salary vs Dividend Extraction
Taking profit out of a company: which route leaves you more.
Replaces: The annual conversation with your accountant
Transfer Pricing Cost-Plus
What one entity should charge another, and what profit that leaves behind.
Replaces: Transfer pricing advisers’ preliminary modelling
VAT Reverse & Margin Impact
Strip VAT out or add it in — then see what a rate change does to your margin.
Replaces: Accountant queries and one-line web calculators that stop at the arithmetic
Margins & ratios
The margins and ratios that buyers, lenders and boards actually test.
Current, Quick & Cash Ratio
Whether short-term assets cover short-term bills, with and without stock counted.
Replaces: Credit analyst ratio sheets
EBITDA & Adjusted EBITDA
EBITDA and adjusted EBITDA built up from net profit, with every add-back in plain view.
Replaces: Quality-of-earnings workpapers
Margin vs Markup Converter
Convert markup to margin and back, and see the price error the mix-up causes.
Replaces: Pricing cheat-sheets that get it backwards
Profit Margin Calculator (Gross, Operating, Net)
Gross, operating and net margin from one P&L, and where each slice of revenue goes.
Replaces: Accounting-software margin reports