Dev tools · alternatives · 2026

24 alternatives to CampPowerCalc

Calculate exact battery + solar for your van build

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Energy Calculators▲5

   Smart tools to calculate, compare ,optimize your power usage

   Nov 2025 · energycalculator.blog · its alternatives →

2. 2
   VanPowerCalc

   Size your van battery, solar & wiring in 60 seconds — free

   Mar 2026 · vanpowercalc.com · its alternatives →

3. 3
   SolarCalcPro▲1

   Calculate Solar Savings, Battery Size & EV Costs for US

   Apr 2026 · solarcalcpro.com · its alternatives →

4. 4
   Generator Sizing Calculator▲7

   Stop guessing. Find your generator size.

   2025 · its alternatives →

5. 5
   SpecCalc Hub▲2

   Free engineering calculators with transparent formulas

   May 2026 · speccalchub.com · its alternatives →

6. 6
   Camp Amp: Caravan EHU▲4

   Check campsite power before you plug in

   Jun 2026 · deadcoolapps.lovable.app · its alternatives →

7. 7
   PowerLab — Energy Planning Tools▲2

   energy & solar calculators with visible physical loss models

   Aug 2026 · powelab.org · its alternatives →

8. 8
   CostAware▲60

   Home appliance electricity cost calculator

   2023 · play.google.com · its alternatives →

9. 9
   HowMuchWatts▲5

   50 free calculators for home energy costs & savings

   Jul 2026 · howmuchwatts.com · its alternatives →

10. 10
    MeterStats▲82

    The ultimate app for keeping track of your energy usage

    2023 · pxlwaves.com · its alternatives →

11. 11
    vanalyze

    Free toolkit to plan your entire camper van build

    Mar 2026 · vanalyze.eu · its alternatives →

12. 12
    Off-Grid Solar Calculator

    Off-grid solar array & battery storage calculator

    Aug 2026 · solarblueprintcalc.framer.website · its alternatives →

13. 13
    EnergyCalc▲6

    Power Your Proposals, Maximize Your Savings

    2025 · its alternatives →

14. 14
    VBatPower▲3

    Battery-life & power simulation for electronics

    Aug 2026 · vbatpower.com · its alternatives →

15. 15
    EnergyCALC - Energy usage calculator▲2

    Calculate household appliance electricity cost & consumption

    2019 · play.google.com · its alternatives →

16. 16
    Solar Charge Controller Calculator▲7

    This calculator provides required charge controller amperage

    2024 · its alternatives →

17. 17
    ElectricianCalc.com▲11

    Free electrical calculators & tools

    2025 · electriciancalc.com · its alternatives →

18. 18
    SolarCalcNow▲2

    Estimate solar panels before getting quotes

    Jul 2026 · its alternatives →

19. 19
    LCOE Calculator with Comparison tools▲8

    Calculator with complete guide -

    2025 · ovatrix.com · its alternatives →

20. 20
    SolarCalc24 — Free Solar Calculator▲1

    Calcula el ahorro y rendimiento de tus paneles solares.

    Aug 2026 · solarcalc24.com · its alternatives →

21. 21
    Solar Voltage Drop Calculator▲8

    Determine the voltage drop in your solar panel system

    2024 · its alternatives →

22. 22
    I built a 4000 watt solar array on top of my Tesla (AMA)▲25

    2024 · old.reddit.com · its alternatives →

23. 23
    Wattcrunch▲2

    Know your solar numbers before you call an installer

    Jun 2026 · wattcrunch.tech · its alternatives →

24. 24
    Power to Weight Calculator▲5

    Power to Weight Ratio Calculator for Cars Bikes and EVs Tool

    Jan 2026 · powertoweightratiiocalculator.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →