DIY & Home Calculators
Home improvement stores love it when you guess — because guessing usually means buying too much. Our DIY and home calculators give you exact material estimates for paint, flooring, tile, mulch, fencing, wallpaper, and every other common home project. Enter your room dimensions and get precise quantities with waste factors already included. Know exactly how many gallons of paint to buy, how many boxes of laminate flooring you need, or how many bags of mulch will cover your garden beds. Stop overpaying for leftover materials and stop making extra trips to the store mid-project.
132 calculators available
Decking Calculator — Estimate Boards & Material Cost
Calculate how many decking boards you need for your deck project. Enter dimensions, board size, and spacing to get an instant material estimate with cost.
Desk Height Calculator — Ergonomic Workspace Setup
Find your ideal sitting or standing desk height based on your body height. Get chair, monitor, and keyboard placement recommendations.
Dilution Ratio Calculator — Mix Chemicals Correctly
Calculate exact concentrate and water amounts for any dilution ratio. Supports mL, liters, ounces, cups, and gallons for accurate mixing.
DIY Shed Cost Calculator — Estimate Your Build Budget
Estimate the total material cost of building a shed yourself, including foundation, framing, roofing, siding, and finishing for your size.
Dress Size Calculator — Find Your US, UK & EU Size
Enter your bust, waist, and hip measurements to find your dress size in US, UK, and EU sizing systems instantly.
Epoxy Resin Calculator — Coverage & Amount Estimator
Calculate how much epoxy resin you need for tabletops, countertops, and floors. Based on area, thickness, and waste factor.
EU to US Shoe Size Calculator — Convert Sizes Fast
Convert EU shoe sizes to US men's and women's sizes instantly. Includes UK conversions and fitting tips for online shoe shopping.
Fabric Yardage Calculator — Estimate Material for Sewing
Calculate exact fabric yardage for quilting, garment sewing, and home decor. Account for seam allowance, fabric width, and number of pieces.
Fence Material Calculator — Estimate Posts & Pickets
Calculate exactly how many fence posts, rails, pickets, and concrete bags your fence project needs. Enter your fence dimensions and get instant material lists.
Fence Picket Calculator — Plan Your Material List
Calculate how many fence pickets you need based on fence length, picket width, spacing, and price per picket. Includes waste factor.
Fire Glass Calculator — How Much Fire Glass You Need
Calculate exactly how many pounds of fire glass your fire pit or fireplace needs based on dimensions and desired depth for optimal flame coverage.
Picture Frame Size Calculator — Mat & Frame Dimensions
Calculate exact picture frame dimensions including mat opening size, mat border width, and outer frame size for any artwork or photo.
GPM Calculator — Measure Water Flow Rate Accurately
Calculate gallons per minute from a bucket test. Enter container size and fill time to get your GPM for pumps, irrigation, and plumbing.
Garbage Bag Size Calculator — Fit Your Trash Can
Find the right garbage bag size for any trash can. Enter diameter and height to get bag dimensions and gallon capacity.
Gas vs Electric Dryer Calculator — Annual Cost Comparison
Compare gas and electric dryer operating costs side by side. Enter your utility rates and usage to see which dryer type saves you money annually.
Generator Wattage Calculator — Size Your Backup Power
Calculate the generator wattage you need for home backup or job site power. Account for motor starting surges and safety margins.
Glove Size Calculator — Find Your Perfect Fit
Measure your hand circumference and length to get your US, EU, and alpha glove size in seconds. Works for dress, work, and winter gloves.
Half Square Triangle Calculator — Quilt Cutting Size
Find exact cut square sizes for half square triangles in quilting. Supports 2-at-a-time, 4-at-a-time, and Magic 8 methods.