# MW SysArc Home Improvement Calculators

> Plan room area, paint, flooring, HVAC, appliance energy and residential solar projects.

All calculations on these pages run locally in the visitor's browser. Calculation inputs are not uploaded or stored.

## Tools

- [Square Footage Calculator](https://homeimprovement.mwsysarc.com/square-footage-calculator): Find square footage for one or more rectangular areas, with an optional extra-material allowance.
- [Paint Calculator](https://homeimprovement.mwsysarc.com/paint-calculator): Estimate paintable wall area and gallons required from room dimensions, openings, coats and coverage.
- [Flooring and Tile Calculator](https://homeimprovement.mwsysarc.com/flooring-tile-calculator): Estimate floor area, purchase area and individual tiles including cutting waste.
- [HVAC BTU Calculator](https://homeimprovement.mwsysarc.com/hvac-btu-calculator): Create a preliminary cooling-capacity estimate from area, ceiling height, climate, people and windows.
- [Electricity Cost Calculator](https://homeimprovement.mwsysarc.com/electricity-cost-calculator): Estimate appliance energy use and electricity cost from watts, operating time and local price.
- [Solar Panel Payback Calculator](https://homeimprovement.mwsysarc.com/solar-payback-calculator): Estimate annual solar production, electricity savings and a simple payback period.
- [Wallpaper Roll Calculator](https://homeimprovement.mwsysarc.com/wallpaper-calculator): Estimate wallpaper rolls from wall perimeter, height, openings, usable roll coverage and pattern allowance.
- [Room Lighting and Lumen Calculator](https://homeimprovement.mwsysarc.com/lighting-lumen-calculator): Estimate target lumens and fixture count from room area, intended light level and fixture output.
- [Insulation R-Value Calculator](https://homeimprovement.mwsysarc.com/insulation-r-value-calculator): Combine insulation-layer R-values and estimate U-factor and steady-state heat flow.
- [Water Heater Energy Cost Calculator](https://homeimprovement.mwsysarc.com/water-heater-energy-calculator): Estimate water-heating energy and daily or monthly electricity cost from use, temperature rise and efficiency.
- [Lawn Seed Calculator](https://homeimprovement.mwsysarc.com/lawn-seed-calculator): Estimate grass-seed weight and whole bags from lawn area, application rate and extra allowance.
- [Carpet Calculator](https://homeimprovement.mwsysarc.com/carpet-calculator): Estimate square yards and approximate linear roll length for one or more rooms.
- [Tile Grout Calculator](https://homeimprovement.mwsysarc.com/tile-grout-calculator): Estimate grout volume, weight and bag count from tile dimensions and joint size.
- [Ceiling Paint Calculator](https://homeimprovement.mwsysarc.com/ceiling-paint-calculator): Estimate ceiling area, paint volume and whole gallons from dimensions, coats and coverage.
- [Home Heat Loss Calculator](https://homeimprovement.mwsysarc.com/home-heat-loss-calculator): Create a simplified conductive heat-loss and planning heat-load estimate.
- [Generator Size Calculator](https://homeimprovement.mwsysarc.com/generator-size-calculator): Estimate generator kW and kVA capacity from running loads, starting surge and reserve.
- [Ceiling Fan Size and Airflow Calculator](https://homeimprovement.mwsysarc.com/ceiling-fan-size-calculator): Estimate room airflow and a common fan-span reference from room dimensions.
- [Mulch Calculator](https://homeimprovement.mwsysarc.com/mulch-calculator): Calculate cubic feet, cubic yards and bag count for a rectangular landscape bed.

## Publisher

MW SysArc — https://mwsysarc.com