UD5 Toolkit
Wire Splice Selector – Online Twist, Butt, or Wago?
Select wire gauge, solid/stranded, and box size to choose the correct splice method. Safe electrical connections.
Home Improvement & DIY
87+ toolsCordless Tool Battery Compatibility Checker – Online Brand Matrix
Check if your brand's batteries fit other tools or if aftermarket adapters exist. A simple matrix reference for DIYers.
Wallpaper Adhesive Selector – Online by Wall & Paper Type
Identify your wall surface (painted drywall, plaster, etc.) and wallpaper type to get the correct paste or adhesive. Prevent peeling.
Furniture Move Path Checker – Online Doorway & Stair Clearance
Enter furniture dimensions and measure your hallway/door to see if it fits through. Simple clearance checker.
Paint Stripper Safety Selector – Online Surface & Fume Guide
Select your project material (wood, metal, brick) and location (indoor/outdoor) to choose the safest and most effective paint remover. Check for hazardous chemicals.
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.
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.
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.
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.
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.
Deck Baluster Spacing Calculator – Online Even Gap
Enter total rail length and baluster width to get exact spacing for code compliance. Visual layout.
Snow Removal Cost Calculator – Online DIY vs. Service
Compare time and equipment cost to hiring a plow service. Fun winter economics.
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.
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.
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.
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.
Home Energy Audit Calculator – Online kWh Breakdown
Enter appliance usage and see estimated monthly energy consumption. Identify high usage areas.
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.
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.
Drill 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.
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.
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.
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.
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.
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.
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.
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.
Dust Collection CFM Calculator – Online Shop Hose Size
Estimate required CFM for your dust collector given machine port size and length. Woodshop aid.
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.
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.
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.
Mortar Mix Calculator – Online Sand, Cement, Lime
Select mortar type (N, S, M) and area to calculate materials needed. Bricklaying helper.
Wood Joint Selector – Online Choose Based on Load & Look
Answer questions about project type and strength needed to get a joint recommendation. Animations.
Portable Generator Sizing – Online Wattage Estimator
Add appliances with running and starting watts to estimate needed generator capacity. Prevent overload.
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.
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.
Moving Box Calculator - Online Estimate How Many Boxes You Need
Enter number of rooms and get an estimate of how many moving boxes in each size you'll need. Plan your move efficiently. Local tool.
Seasonal Home Maintenance Checklist – Online Fall/Spring Tasks
Select month and get a to‑do list (clean gutters, check weatherstripping). Local storage, printable.
Moving Tip Calculator – Online How Much to Tip Movers
Based on move size, hours, and crew, estimate appropriate tip per mover. Quick reference.
Airflow CFM Calculator - Online HVAC Duct Sizing Tool
Calculate airflow in cubic feet per minute given velocity and duct diameter. Simple HVAC reference. Local only.
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.
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.
Window Screen Spline Size Guide – Online Measure & Repair
Identify the correct spline diameter needed to replace a window screen. Visual comparison and sizing tool.
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.
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.
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.
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.
Concrete Volume Calculator – Online Slab, Footing, Column
Calculate cubic yards or meters for various shapes (rectangular slab, circular column, trapezoidal footing). Local math tool.
Paint Coverage Estimator - Online Wall Area & Cans Needed
Input room dimensions and number of coats to estimate how many gallons/litres of paint you need. Excludes doors/windows optionally. Local calculator.
Outlet Spacer Guide – Online Need for Recessed Box?
Interactive check: if your tile backsplash or paneling adds thickness, determine if you need box extenders.
Spray Foam Insulation Calculator – Online Board Feet
Estimate board feet of spray foam needed for a cavity. Compare closed‑cell and open‑cell.
Hole Saw Speed & Feed Calculator – Online Diameter & Material
Enter hole saw diameter and material to find the recommended RPM and feed pressure. Prevent burning and kickback.
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.
Staircase Riser & Tread Calculator - Online Comfort Rule Check
Compute riser height and tread depth given total rise and run. Applies comfort formula (2R+T=63cm). Ideal for deck or interior stair design.
Solar Panel Tilt Angle Calculator - Online Optimal Year-Round
Find the best tilt angle for solar panels based on your latitude and season (summer, winter, average). Simple trigonometric estimation. No location data sent.
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.