Cost calculators
Plug in your numbers, get a realistic figure for home projects, energy bills, cars and hardware. Every calculator shows its assumptions so you know exactly where the estimate comes from.
Home & Repairs
Guides →Mini-Split Cost Calculator
Size a ductless system in BTU and see the installed price range for your home.
Open calculator → Home & RepairsWater Heater: Repair or Replace?
Enter age, type and repair quote to get a clear repair-vs-replace verdict.
Open calculator → Home & RepairsRoof Replacement Cost Calculator
By roof size, pitch and material.
Open calculator → Home & RepairsWindow Replacement Cost Calculator
Per-window pricing by frame type.
Open calculator →Energy & Bills
Guides →Space Heater Cost Calculator
Watts, hours and your state rate in: cost per hour, per month and per winter out.
Open calculator → Energy & BillsHeat Pump Payback Calculator
Estimate yearly savings and how many years a heat pump takes to pay for itself.
Open calculator → Energy & BillsSolar Panel Payback Calculator
System size, local sun and incentives.
Open calculator →Cars
Guides →Tech & Crypto
Guides →GPU AI Rental Income Calculator
Rent your GPU for AI workloads and see real monthly income after power and fees.
Open calculator → Tech & CryptoGPU Mining Profitability Calculator
Card price, power draw and revenue in: daily profit and break-even out.
Open calculator → Tech & CryptoAntminer Profitability Calculator
Model presets and your electricity rate: daily profit and ROI months.
Open calculator →