Frequently Asked Questions
Is this a one-time payment?
Yes — $39 one-time. No subscription, no hidden fees. You keep the file forever.
Excel or Google Sheets?
Both. Fully compatible with Excel and Google Sheets on desktop, tablet, or phone.
Is it accurate for my van model?
The electrical and weight baselines are pre-configured for Sprinter, Transit, and ProMaster, and every value is editable for other vans.
Do I need electrical experience to use it?
No. The calculator walks you through appliance loads and outputs safe wire gauge, fuse size, and battery capacity — no electrical background required.
What’s your refund policy?
30-day money-back guarantee, no questions asked.
Can I use it for more than one van build?
Yes — it’s yours to reuse for future builds or to share with a build partner.
Free tools give you numbers. This gives you a plan.
Stop Guessing. Build It Right.
The 9-sheet van conversion spreadsheet with a built-in electrical safety calculator, budget tracker, and weight monitor.
30-day money-back guarantee · Works in Excel & Google Sheets