Welcome to the Frugal Footprint Tool Hub! Pro-Tip: Bookmark this page in your browser (Ctrl+D or Cmd+D) so you can always find your tools when you need them.
Solar Panel & Battery Sizing Tool
Estimate the solar panel and 12V LiFePO4 battery size for your small off-grid projects (sheds, camping, etc.).
Your Daily Electrical Loads:
Solar & Battery Factors:
Hours of direct, effective sunlight per day in your location (find online or estimate).
How many days your battery should power loads without sun.
*System Inefficiency Factor (pre-set to 75% for typical losses)
*Battery Depth of Discharge (pre-set to 80% for LiFePO4 longevity)
Your Estimated Solar Needs:
Total Daily Energy Consumption: 0 Wh
Recommended Solar Panel Size: 0 Watts
Recommended 12V LiFePO4 Battery: 0 Ah
Off-Grid Appliance Run-Time Estimator
Figure out how long your battery bank can power your essential off-grid appliances.
Your Battery Bank:
If you know Wh, enter it directly. Otherwise, use Ah & Voltage below.
Will convert Ah & V to Wh if Wh is left at 0 or empty.
Typically 85-90%. Accounts for losses converting DC to AC power.
Your Appliances:
Your Estimated Run-Time:
Total Combined Appliance Load: 0 Watts
Estimated Run-Time: 0 Hours
**Power Tip:** Reduce appliance usage or consider upgrading your battery/solar setup for longer run times.
Phantom Power Savings Calculator
Uncover your hidden energy drains and see how much you can save!
Check your utility bill for this value.
Your Appliances:
Your Results:
Estimated Annual Savings: $0.00
Solar ROI & Payback Period Calculator
Discover how quickly your solar investment can pay for itself and start generating pure profit.
Perfect Garden Spot & Plant Finder
Answer two simple questions to get personalized plant recommendations and a plan for success.