RV/Van Life Calculators
Essential calculators for van builders, RV owners, and off-grid enthusiasts. Size your solar panels, calculate battery capacity, plan your electrical system, and budget your adventures.
RV/Van Life Solar Panel Sizing Calculator
Calculate the optimal solar panel wattage for your RV, camper van, or off-grid system. Size your solar array based on daily energy needs, sun hours, and system efficiency.
RV/Van Life Battery Bank Sizing Calculator
Calculate the optimal battery bank capacity for your RV or van. Size lithium or AGM batteries based on daily usage, depth of discharge, and days of autonomy.
RV/Van Life Electrical Load Calculator
Calculate your RV or van daily electrical load. Add appliances, estimate watt-hours, and determine total power needs for off-grid solar and battery system planning.
RV/Van Life Propane Usage Calculator
Calculate your RV or van propane consumption for heating, cooking, fridge, and water heater. Estimate tank duration and monthly propane costs for off-grid living.
RV/Van Life Water Tank Duration Calculator
Calculate how long your RV or van fresh water tank will last based on usage patterns. Plan water refills for boondocking and dry camping trips.
RV/Van Life Wire Gauge Calculator
Calculate the correct wire gauge (AWG) for 12V and 24V DC circuits in your van or RV. Prevent voltage drop and ensure safe electrical installations.
RV/Van Life Inverter Sizing Calculator
Calculate the correct inverter size for your RV or van based on your AC appliance needs. Get recommendations for pure sine wave inverters and cable sizing.
RV/Van Life Fuel Cost Trip Calculator
Calculate fuel costs for your van or RV road trip. Estimate gas expenses based on distance, MPG, and fuel prices for better travel budget planning.
RV/Van Life Alternator Charging Calculator
Calculate battery charging time while driving your RV or van. Size your DC-DC charger, estimate charging rates, and optimize alternator-based charging for off-grid travel.
RV/Van Life Shore Power Calculator
Calculate your RV or van electrical needs when connected to shore power. Determine 30-amp vs 50-amp requirements, battery charging time, and electrical costs at campgrounds.
RV/Van Life Boondocking Cost Calculator
Calculate the true cost of boondocking and dry camping. Estimate fuel, propane, water, dump fees, and other expenses for realistic off-grid budget planning.
RV/Van Life Gray Water Tank Calculator
Calculate how long your gray water tank will last based on usage patterns. Plan dump station visits and optimize water conservation for extended boondocking trips.
RV/Van Life Generator Sizing Calculator
Calculate the right generator size for your RV or van. Determine wattage requirements for AC, appliances, and charging with altitude derating and fuel consumption estimates.
RV/Van Life Solar Charge Controller Calculator
Calculate the right size solar charge controller for your RV or van. Compare MPPT vs PWM, determine amperage requirements, and optimize your solar system.
RV/Van Life Black Water Tank Calculator
Calculate how long your RV black water tank will last. Estimate daily sewage usage, days until dump needed, and plan boondocking trips around dump station visits.
RV/Van Life Refrigerator Power Calculator
Calculate daily power consumption of your RV or van refrigerator. Estimate amp-hours, battery requirements, and solar needed to run your 12V fridge off-grid.
RV/Van Life Roof Space Calculator
Plan your RV or van solar panel layout. Calculate usable roof space, account for vents and obstructions, and determine maximum solar panel capacity.
RV/Van Life Insulation R-Value Calculator
Calculate insulation R-value and heat loss for your van or RV conversion. Determine heating/cooling requirements based on insulation type, thickness, and climate.
RV/Van Life Campground Budget Calculator
Plan your RV or van camping budget. Calculate campground fees, hookup costs, dump fees, and utilities for trips of any length with accurate cost breakdowns.
RV/Van Life Off-Grid Duration Calculator
Calculate how long you can stay off-grid in your RV or van. Analyze battery, water, propane, and waste capacity to find your limiting factor and maximize boondocking time.
About RV/Van Life Calculators
Our RV and van life calculators help you plan and build reliable off-grid electrical systems. Whether you're converting a Sprinter van, outfitting a travel trailer, or upgrading your motorhome, these tools provide the calculations you need.
Start with the Electrical Load Calculator to determine your daily power consumption. Then use the Solar Panel Sizing Calculator and Battery Bank Calculator to properly size your system components.
These calculators are designed by van lifers for van lifers, accounting for real-world factors like system efficiency, temperature effects, and practical component availability.