Calculators
Every Ballpark Lab calculator in one place, grouped by project. Each one runs in your browser, prices from local 2026 data, shows its assumptions, and gives you an honest low–high range — free, with no email and no sales calls.
Solar calculators
What solar really costs in 2026 — after the federal tax credit (25D) expired. Honest paybacks, lease vs. buy, sizing.
Estimate solar system size, price, and payback with accurate post-25D tax logic. Analyze your actual roof via satellite.
Open Solar Cost →How many solar panels do you need? Size a system from your electricity use and local sun hours.
Open Solar Sizing →When does solar break even? See payback period and 25-year savings against rising power prices.
Open Solar Payback →Pools calculators
Inground pool costs by type, size, and feature — plus what it costs to run one each month.
Estimate inground pool cost by type, size, and features — or draw your pool on a satellite map for a footprint-accurate quote.
Open Pool Cost →What does it cost to run a pool each month? Chemicals, power, water, and service by size and sanitation type.
Open Pool Upkeep →Compare gas, heat pump, and solar pool heating — install and seasonal operating cost by climate.
Open Pool Heating →Estimate replaster, pebble, or tile resurfacing cost from your pool's interior (wetted) area.
Open Resurfacing →Fence calculators
Fence costs by material, height, and terrain — with a transparent breakdown of labor, materials, and permits.
Driveway calculators
Driveway costs by material, size, and surface condition — including prep, paving, and finishing.
Siding calculators
Siding costs by material and home size — with a transparent breakdown of materials, labor, and installation.
Prefer to read first?
Every calculator is paired with plain-English guides that explain what drives the price and how we get the number.
Browse the guides →