UD5 Toolkit
Sheet Metal Bend Allowance Calculator – Online K-Factor Tool
Calculate developed length for a bend. Enter thickness, angle, inside radius, and K-factor. Essential for metalworking.
Home Improvement & DIY
82+ toolsDrill Bit Sharpening Angle Guide – Online Material-Specific Angles
Select the material you're drilling into and see the recommended point angle and lip clearance. Sharpen bits correctly.
Jigsaw Blade Selector – Online Material, Thickness & TPI Guide
Choose sawing material and thickness to get the correct blade type, TPI, and shank. Prevents burning and rough cuts.
Clamp Capacity Planner – Online Number & Size for Glue-Ups
Enter panel dimensions and get recommended number of clamps and throat depth. Achieve even pressure.
Household Energy Usage Estimator – Online Appliance kWh Breakdown
Add appliances with typical wattage and hours/day to get weekly kWh and cost. Identify energy hogs.
Flooring Nail Spacing Guide – Online Species & Width Best Practice
Select wood species and plank width to get the recommended cleat spacing and pattern. Ensure a squeak‑free installation.
Cabinet Hardware Placer – Online Even Spacing Calculator
Enter cabinet width and find optimal placement for knobs or pulls. Visual layout with grid. Achieve professional look.
Flooring Layout Planner – Online Stagger Pattern & Waste Calc
Visualize random-width plank layout and calculate total square footage plus waste for hardwood or laminate flooring.
Abrasive Disc Size & Hole Pattern Lookup – Online ROS Compatibility
Enter your sander model or hole count to find compatible hook‑and‑loop discs. Stop buying the wrong sandpaper.
Deck Baluster Spacing Calculator – Online Even Gap
Enter total rail length and baluster width to get exact spacing for code compliance. Visual layout.
Window Screen Spline Size Guide – Online Measure & Repair
Identify the correct spline diameter needed to replace a window screen. Visual comparison and sizing tool.
Stick Welding Rod Selector – Online Material & Position Guide
Choose base metal thickness and welding position to get the right rod diameter and amperage range. Beginner welder's quick reference.
Wine Label Removal Guide – Online Method for Glass & Scrapbook
Choose label type and get the best technique (baking soda, steam, milk) to remove it intact.
Broken Christmas Light Finder – Online Visual Bulb Tester Guide
Step‑by‑step interactive flow to diagnose and fix a half‑dead string of lights. Replace fuses or bulbs.
Christmas Light String Calculator – Online Feet & Outlets
Enter roof line or tree height and get the length of light strings needed. Estimate power draw.
Home Repair Cost Estimator – Online Get Rough Job Prices
Select a repair type (leaky faucet, paint room, etc.) and get a typical cost range. Simple general guide, no personal data.
Garden Plant Spacing Calculator - Online Grid & Row Layout
Calculate how many vegetable plants fit in a given area using square foot gardening or row spacing. Visual plant grid. Plan your spring garden.
Wallpaper Roll Calculator - Online Estimate Needed Rolls
Calculate how many rolls of wallpaper you need based on wall dimensions, roll size, and pattern repeat. Avoids overbuying. Simple and local.
Tile Coverage Calculator - Online Floor & Wall Quantity Estimator
Calculate number of tiles needed for a floor or wall, including waste percentage. Supports different tile sizes. No upload, instant results.
Gravel & Stone Tonnage Estimator – Online Driveway & Path
Enter length, width, and depth to calculate tons of gravel, crushed stone, or sand needed. Accounts for compaction. Perfect for landscaping.
Seasonal Home Maintenance Checklist – Online Fall/Spring Tasks
Select month and get a to‑do list (clean gutters, check weatherstripping). Local storage, printable.
Virtual Stud Finder Trainer – Online Learn Wall Framing Spacing
Interactive guide to understanding standard 16/24 inch stud spacing. Visualize wall internals. Useful before drilling.
Sun Path Diagram – Online Any Latitude for Architects
Select a latitude to see a 2D sun path chart for solstices and equinoxes. Passive design tool.
Dust Collection CFM Calculator – Online Shop Hose Size
Estimate required CFM for your dust collector given machine port size and length. Woodshop aid.
Home Energy Audit Calculator – Online kWh Breakdown
Enter appliance usage and see estimated monthly energy consumption. Identify high usage areas.
Picture Hanging Height Calculator – Online Eye‑Level Guide
Find the ideal height to hang art based on wall and furniture dimensions. Follow gallery standard 57‑inch center rule.
Home Inventory Tracker – Online Insurance Documentation Tool
Build a categorized list of possessions with value, serial number, and photo (local). Export for insurance purposes. Private.
Composite Deck Gap Calculator – Online Temperature‑Dependent Spacing
Input the installation temperature and board length to find the correct end‑to‑end gap for composite decking. Prevent buckling.
Concrete Strength Gain Estimator – Online Age & Temperature Factor
Based on curing temperature and age, estimate the approximate percentage of 28‑day strength reached. Quick check for form removal.
Pocket Hole Screw Selector – Online Material Thickness & Type
Select wood thickness and type (soft/hardwood) to get the recommended pocket hole screw length and jig setting. Professional joinery.
Spray Foam Insulation Calculator – Online Board Feet
Estimate board feet of spray foam needed for a cavity. Compare closed‑cell and open‑cell.
Snow Removal Cost Calculator – Online DIY vs. Service
Compare time and equipment cost to hiring a plow service. Fun winter economics.
Outlet Spacer Guide – Online Need for Recessed Box?
Interactive check: if your tile backsplash or paneling adds thickness, determine if you need box extenders.
Curtain Rod & Panel Width Calculator – Online Window Dressing
Measure window width and get rod length and number of curtain panels for proper fullness.
Leftover Paint Coverage Calculator – Online Touch‑Up Planning
Enter the amount of leftover paint and see how many square feet it still covers. Plan touch-ups.
Moving Truck Size Calculator – Online Bedrooms to Cubic Feet
Enter number of bedrooms and large items to estimate the truck size you need. Avoid multiple trips. Simple local estimator.
Mortar Mix Calculator – Online Sand, Cement, Lime
Select mortar type (N, S, M) and area to calculate materials needed. Bricklaying helper.
Screw & Drill Bit Size Chart – Online Metric Imperial
Look up pilot hole and clearance hole sizes for wood screws. Conversion between gauge and mm.
Portable Generator Sizing – Online Wattage Estimator
Add appliances with running and starting watts to estimate needed generator capacity. Prevent overload.
Tile Grout Calculator – Online Coverage & Spacer Guide
Calculate grout needed (lbs or kg) based on tile size, grout joint, and area. Also recommend spacer size. Local estimator.
Roof Pitch Calculator – Online Rise, Run & Angle Finder
Enter any two of rise, run, pitch ratio, or angle to get the others. Useful for DIY shed or home projects.
Firewood Cord Calculator - Online Stack Volume & Btu Estimator
Enter log pile dimensions to calculate cords and face cords. Also estimate heat content in BTUs by wood species. Local reference.
Insulation R-Value Calculator - Online Building Thermal Envelope Tool
Compare insulation materials and thicknesses to achieve a target R-value. Understand U-factor. Educational home improvement tool. Local.
Plank Coverage Calculator - Online Deck Flooring & Paneling Tool
Calculate how many planks you need to cover an area given plank dimensions and gap. Quick carpentry estimator. Local only.
Spray Paint Distance & Coverage Calculator – Online Even Coat Tool
Enter nozzle type and surface area to get optimal spray distance, sweep speed, and estimated cans needed. Prevent runs and drips.
Opened Paint Freshness Checker – Online Smell & Consistency Guide
Enter the approximate age of opened paint and answer visual/olfactory questions to see if it's still usable. Reduce waste.
Room‑by‑Room Moving Inventory – Online Label & Count Boxes
Assign a color and number to each room and generate a printable inventory sheet. Check off box contents as you pack. Stay organized.
Sanding Grit Progression Planner – Online Woodworking Surface Prep
Select starting and ending surface condition to get an optimal sandpaper grit sequence. Never skip a grit again and achieve a flawless wood finish.
Wood Joint Selector – Online Choose Based on Load & Look
Answer questions about project type and strength needed to get a joint recommendation. Animations.
Water Leak Cost Calculator – Online Drip to Gallon Waste
Select drip speed or running toilet and see gallons wasted per day and annual cost. Fix leaks!
Door Handing Identifier – Online Determine Left or Right Hand
Interactive visual guide to figure out if a door is left-handed or right-handed. Click through steps. Avoid ordering the wrong door.
Lumber Calculator – Online Board Feet & Material Lists
Calculate board feet for dimensional lumber and generate a cut list with waste factor. Quick carpentry tool.
Fuse Box Labeler – Online Create Custom Circuit Directory
Build a printable table for your electrical panel. Label each breaker number with its room or appliance. Stay organized.
Drywall Sheet Calculator - Online Gypsum Board Quantity Estimator
Enter room dimensions and number of walls to calculate needed 4x8 or 4x12 sheets, plus joint compound and tape estimate. Local tool.
Projector Throw Distance Calculator - Online Screen Size Estimator
Calculate projector throw distance or screen image size based on throw ratio. Visualize setup. Essential for home theater planning. Local.
Soil pH Adjuster Calculator - Online Lime & Sulfur Amount
Estimate how much agricultural lime or elemental sulfur to add to change soil pH by a target amount. Based on soil type and current pH. Educational.
Caulk & Sealant Selector – Online Bathroom, Kitchen, Exterior
Answer where you're sealing (shower, window, baseboard) to get the right type of caulk (100% silicone, acrylic latex, etc.). Avoid moldy seals.
Cutoff Wheel Life Logger – Online Tracks Cuts & Diameter
Log initial wheel diameter and after some cuts to see wear rate and estimate remaining life. Made for metalworking and hobbyists.
Keyhole Slot Hanger Calculator – Online Picture Frame Positioning
Enter frame dimensions to perfectly place keyhole slots so the picture hangs level. Includes printable mounting template.
Moving Tip Calculator – Online How Much to Tip Movers
Based on move size, hours, and crew, estimate appropriate tip per mover. Quick reference.