Free RV Tools & Calculators
Practical tools to help you maintain, troubleshoot, and enjoy your RV. No signup required, no ads, just useful stuff.
RV Weight Calculator
Calculate your RV's total weight, payload capacity, and check if you're within safe limits.
Electrical Load Planner
Plan your 12V power budget. Input devices and usage to estimate daily amp-hour draw.
Tank Capacity Estimator
Enter tank sizes and number of people to estimate how long until fresh/gray/black tanks need attention.
Tire Pressure Lookup
Find recommended PSI ranges for your RV tire size and load rating.
Propane Burn Calculator
Estimate propane run-time based on BTU rating and tank size for heaters, stoves, and fridges.
Solar Sizing Tool
Quick check: will your solar setup meet your power needs? Enter panels, sun hours, and battery size.
Leveling Block Calculator
Enter how far off level your rig is to calculate how many blocks under which wheels.
Hitch Height Calculator
Enter truck height and trailer coupler height to find the correct drop/rise ball mount.
Battery Voltage Chart
Interactive chart showing voltage to state-of-charge for lead-acid, AGM, and lithium batteries.
RV Checklists Pack
Printable checklists: departure, arrival, winterization, dewinterization, and maintenance schedules.
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