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Calculators for sales tax, VAT, inventory, pricing, and Odoo planning. No email, no signup, and the formula sits on every line.

Odoo planning & cost

  1. 01Odoo Readiness AssessmentScore how ready your business is for Odoo.readiness score
  2. 02Should You Migrate to Odoo?A quick fit check for switching to Odoo.go / no-go
  3. 03Odoo App SelectorFind the Odoo apps your business needs.app shortlist
  4. 04ERP Selection ToolScore your best-fit ERP shortlist across 10 systems.fit score /100
  5. 05ERP Requirements ChecklistBuild your ERP requirements list by function.requirements list
  6. 06Community vs Enterprise PickerPick the right Odoo edition.CE vs EE
  7. 07Implementation Cost CalculatorEstimate your Odoo implementation budget.$ estimate
  8. 08Migration Cost CalculatorEstimate the cost to migrate to Odoo.$ estimate
  9. 09Upgrade Cost CalculatorBudget an Odoo version upgrade.$ estimate
  10. 10Total Cost of Ownership CalculatorModel the multi-year total cost of Odoo.TCO / yr
  11. 11Stack Savings CalculatorSee what consolidating tools into Odoo saves.$ saved / yr
  12. 12Odoo.sh Pricing CalculatorEstimate your Odoo.sh hosting cost.$ / mo
  13. 13EDI Readiness Cost EstimatorEstimate EDI integration cost in Odoo.$ estimate
  14. 14Odoo Worker & Memory TunerTune odoo.conf workers and memory limits.workers · mem
  15. 15Project Rescue Risk GraderGrade how badly an in-flight Odoo implementation is going.risk % /100

Pricing & finance

  1. 01Odoo ROI CalculatorEstimate payback and multi-year ROI of Odoo.payback · ROI
  2. 02Margin & Markup CalculatorConvert between margin, markup, and price.margin · markup

Inventory & operations

  1. 01Inventory Turnover CalculatorTurnover ratio and days of inventory.COGS / avg inv
  2. 02Reorder Point CalculatorWhen to reorder, with safety stock.usage × lead + SS
  3. 03Safety Stock CalculatorBuffer stock for demand and lead-time swings.max vs avg demand
  4. 04EOQ CalculatorOptimal order quantity to minimize cost.√(2DS/H)
  5. 05Inventory Carrying Cost CalculatorAnnual cost of holding inventory.value × rate
  6. 06Landed Cost CalculatorTrue per-unit cost including freight and duty.Σ cost / qty
  7. 07OEE CalculatorOverall Equipment Effectiveness for production.A × P × Q

Canadian tax

  1. 01Canadian Sales Tax CalculatorGST, HST, PST, and QST for all provinces.GST·HST·PST·QST
  2. 02Canadian Payroll Deductions CalculatorCPP, EI, and income tax source deductions.CPP · EI · tax

Rates by province

US tax

  1. 01US Sales Tax CalculatorState sales tax for all 50 states and DC.state rate
  2. 02US Economic Nexus CheckerSee where you must collect US sales tax.nexus by state

EU tax

  1. 01EU VAT Calculator & ValidatorVAT rates by country plus VIES validation.VIES + rate

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