Tools
Van build calculators, checkers, and planning tools for layouts, systems, power, water, heating, payload, and more.
- Campervan Water Autonomy Calculator
- Campervan Waste Tank Size Calculator
- Campervan Water Pump Calculator
- Wild Camping Legality Checker in Europe
- Van Roof Layout Planner
- Vanlife vs Airbnb Break-Even Calculator
- Campervan Shower & Toilet Planner
- Off-Grid Days Calculator for Campervans
- Vanlife Quiet Hours & Noise Rules Checker
- Campervan Toilet Selector
- Campervan Interior Space Comparison
- Campervan Layout Fit Planner
- Campervan Insulation Calculator & Selector
- Campervan Cabinet Weight & Cost Calculator
- Fixed Bed vs Convertible Dinette
- Campervan Diesel Heater Size Calculator (2–5 kW)
- Diesel Heater Runtime & Cost Calculator
- Campervan Fridge Picker: 12V vs 230V
- Flexible vs Rigid Solar Picker
- Campervan Electrical Budget Planner
- Weight → Fuel Cost Calculator
- Weekend Van Trip Cost Calculator
- Van Payload Planner
- Best Campervan Base Van Picker
- Campervan Size Selector L1H1–L4H2
- Van Conversion Cost Calculator (2026 Prices)
- Van Build Time & Labor Calculator
- Monthly Vanlife Cost Planner
- DIY vs Pro Campervan Conversion Cost Calculator
- Parasitic Draw Cost Calculator — Stop Paying for Idle Watts
- Axle Load Estimator for Campervans & Van Conversions
- Voltage → SOC (Chemistry & Temp Aware) — Quick % from OCV
- Charge Time Estimator — From SOC to Ready Time (CC/CV A or W)
- Alternator → DC-DC Charger Sizing — Safe Amps, Cable, and Heat
- Series vs Parallel Optimizer — Find Safe S×P Combos Fast
- MPPT Controller Picker — Safe Voc Cold & Input Current, Done Right
- Van Solar Calculator: How Many Watts Do You Need?
- Inverter Sizing for Vans — Continuous, Surge, Cables & Fuse
- DC Fuse Selector — Right Size, Right Holder, Right Place
- 12V Wire Size Calculator (Voltage Drop)
- Campervan Battery Size Calculator (Ah)
- Van DC Load & Daily Energy Budget — Plan Battery & Fuse