UD5 Toolkit
Tiny House Cost Estimator – Online DIY Build Budget Tool
Breakdown of expected costs (materials, appliances, etc.) for a tiny house. Adjust percentages or enter custom. Local calculation.
Home Improvement & DIY
82+ toolsTV Viewing Distance Calculator - Online Size vs Resolution Guide
Find the optimal TV size for your room or the best viewing distance based on screen size and resolution (1080p, 4K, 8K). Simple THX/SMPTE reference.
Speaker Placement Calculator - Online Home Theater Stereo Angle
Calculate ideal stereo speaker placement (toe-in, distance from wall) for best soundstage. Visual diagram. For audiophiles. Local tool.
Paint Color Visualizer – Online Test Wall Colors on Sample Rooms
Simulate paint colors on a pre-loaded room photo by adjusting hue, saturation. Find your perfect shade before buying. Local canvas.
Epoxy Flooring Calculator – Online Sq Ft & Kit Quantity
Enter area to calculate how many epoxy floor kits you need. Consider priming coat.
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.
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.
Roof Snow Load Estimator – Online Ground Snow & Pitch Factor
Enter ground snow load and roof pitch to estimate the effective snow load on a sloped roof. Quick structural check for snowy regions.
Soft Wash Mix Calculator – Online Bleach & Water Ratio
Mix sodium hypochlorite with water to get the correct % concentration for soft washing. Safety note.
Bolt Torque to Tension Estimator – Online Simple Calculator
Enter bolt diameter and applied torque to estimate clamping force. Use standard friction factors.
Window Solar Heat Gain Calculator - Online Energy Efficiency Tool
Estimate solar heat gain through windows given SHGC and orientation. Understand cooling loads. Simple educational physics tool. Local.
Concrete Mix Calculator - Online Cement Sand Gravel Ratio Tool
Calculate required bags of cement, sand, and gravel for a given concrete volume using standard mix ratios (1:2:4, etc.). Supports metric and imperial.
Extension Cord Gauge Selector – Online Amps, Length & Voltage Drop
Enter appliance amps and cord length to find the minimum wire gauge needed to prevent overheating and voltage drop. Essential for outdoor power tools.
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 Thinner Mix Calculator – Online Viscosity Ratio
Calculate how much thinner to add to achieve the right viscosity for spray guns. Common ratios.
Pop Rivet Size Selector – Online Sheet Thickness Guide
Enter material thickness and get the recommended pop rivet diameter and grip range.
Media Shelf Capacity Calculator - Online Books DVDs Vinyl Storage
Calculate how many books, DVDs, or vinyl records fit on a shelf given its length and depth. Useful for home library planning. Local only.
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.
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.
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.
Weather Stripping Selector – Online Gap Size to Material Guide
Match gap size around doors/windows to the correct type of weather stripping (foam, V-strip, door sweep). Save energy.
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.
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.
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.
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.
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.
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!
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Dust Collection CFM Calculator – Online Shop Hose Size
Estimate required CFM for your dust collector given machine port size and length. Woodshop aid.
Screw & Drill Bit Size Chart – Online Metric Imperial
Look up pilot hole and clearance hole sizes for wood screws. Conversion between gauge and mm.
Home Energy Audit Calculator – Online kWh Breakdown
Enter appliance usage and see estimated monthly energy consumption. Identify high usage areas.
Portable Generator Sizing – Online Wattage Estimator
Add appliances with running and starting watts to estimate needed generator capacity. Prevent overload.
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.