UD5 Toolkit
Soda Ash Soak Calculator – Online Tie‑Dye Prep Ratio
Calculate water and soda ash needed to pre‑soak fabric for tie‑dye. Achieve vibrant, long‑lasting colors.
Crafts & DIY Projects
67+ toolsSeam Allowance Chart – Online Metric & Imperial Quick Ref
Visual reference for common seam allowances (1/4″, 5/8″, etc.) with actual size on screen. Essential sewing aid.
Leather Stitching Spacing Guide – Online SPI for Projects
Select project type and leather weight to get recommended stitch spacing and thread size.
Sublimation Press Time Calculator – Online Mug/T‑Shirt
Look up recommended time and temperature for various sublimation blanks. Quick reference.
Duct Tape Sheet Calculator – Online Length for Wallet or Purse
Enter wallet size and get the exact length of duct tape strips needed to build a sheet. DIY crafting.
Simple Bookbinding Guide – Online Pamphlet Stitch Tutorial
Animated guide to sew a basic book or journal. Step-by-step with tips. Creative starter.
Granny Square Count Calculator – Online for Blanket Size
Enter blanket dimensions and square size to know how many granny squares to make. Layout preview.
Saponification Value Lookup – Online Oils & Butters
Search for the NaOH and KOH sap values of various oils. Reference for cold process soap makers.
Perler Bead Pattern Maker – Online Pixelated Photo
Upload a photo and convert it into a Perler/Hama bead pattern with matching colors. Download chart.
Crochet Hat Sizing Guide – Online Measure & Increase
Enter head circumference to get crown diameter and length. Perfect fit top‑down hats.
Candle Burn Time Estimator – Online Wax Type & Wick
Select wax type, candle diameter, and wick size to estimate total burn time.
3D Print Filament Calculator - Online Weight, Cost & Length Tool
Estimate filament usage: enter weight or length and get the remaining value plus cost. PLA/ABS density reference. Local calculation.
Quilt Fabric Calculator - Online Yardage & Block Count
Calculate how much fabric you need for a quilt based on block size, number, and sashing. Supports metric and imperial. No upload, local.
Yarn Substitution Tool – Online Match Gauge & Yardage
When a yarn is discontinued, find equivalent alternatives by matching weight and gauge. Local reference.
Embroidery Thread Consumption Calculator – Online Stitch Count
Estimate meters of thread needed for a design based on stitch count. Plan your project.
Candle Making Calculator - Online Wax & Fragrance Oil Ratio
Calculate wax weight and fragrance oil needed for container candles. Adjust fragrance load %. Common wax types supported. Local helper.
Weeding Box Generator – Online Add Cut Lines to Decal
Paste your design and generate a weeding box outline. Download SVG for Silhouette/Cricut.
Sewing Pattern Layout Optimizer - Online Minimize Waste
Place rectangular pattern pieces on a virtual fabric width to optimize cutting layout and reduce waste. Simple manual drag & drop. Local only.
Wax Melt Calculator – Online Oil & Dye Amounts
Calculate the amount of wax, fragrance oil, and dye for silicone mold cavities. Perfect scent throw.
Polymer Clay Color Mixer – Online Predict Shade Result
Select two or more clay colors and visually approximate the mixed result. Helps plan canes and blends.
Crochet Hook Size Converter – Online US, UK, Metric, JP
Enter a hook size in any system and instantly see the equivalent in all other standards.
Blanket Size Chart – Online Crib, Throw, King Dimensions
Reference for standard blanket and afghan sizes in inches and cm. Perfect for knitters and crocheters.
Epoxy Resin Mix Calculator - Online Part A & B by Volume/Weight
Calculate how much resin part A and part B to measure for a given total volume. Common ratios (2:1, 1:1). Avoid sticky failures. Local.
Mosaic Tile Calculator – Online Tessera Size & Grout Gap
Enter mosaic area and choose tessera size to find the approximate number of tiles required. Includes grout joint factor.
Pom‑Pom Yarn Calculator – Online How Many Wraps for Size
Enter desired pom-pom diameter to estimate yards needed and number of wraps. Quick craft math.
Bead Pattern Designer – Online Visual Stringing Sequence
Drag colored beads onto a virtual thread to design a repeating pattern. See total length. Save locally.
Simple Weaving Draft Generator - Online 4-Shaft Pattern Creator
Create a simple 4-shaft weaving draft by clicking warp/weft threads. See plain weave, twill, satin. Educational for weavers. Local only.
Knitting Stitch Counter & Row Progress Tracker
Keep track of stitches and rows for your knitting projects. Multiple counters with increase/decrease shortcuts. Data saved in your browser.
Mat Border Proportion Calculator – Online Golden Ratio & Standard
Enter frame and art size to get equal or weighted mat borders. See a golden ratio option for an artistic touch.
Resin Casting Volume Calculator – Online Mold & Part A/B
Enter mold dimensions or water weight to get total resin needed, including Part A and B.
Papercraft Dice & Cone Generator – Online Custom Nets
Create printable nets for a cube, tetrahedron, or cone with custom labels or colors. Cut and fold.
Pottery Shrinkage Calculator – Online Wet to Fired Dimensions
Enter your clay's shrinkage rate and the desired fired size to determine the wet dimensions you need to throw or slab build. Essential for functional ware.
Picture Frame Mat Calculator – Online Opening & Borders
Enter frame size and image size to calculate mat borders. Visual preview. Precise framing.
Friendship Bracelet Pattern Maker – Online Knots & Colors
Choose colors and knot types to design a bracelet pattern. See visual guide. Save locally.
Jigsaw Puzzle Glue Coverage - Online How Much to Buy
Calculate how many bottles of puzzle glue you need based on puzzle dimensions. Save a trip to the store. Simple area math.
Tufting Yarn Weight Estimator – Online Punch Needle Pile Height
Enter design area and pile height to estimate pounds of yarn needed for a tufted rug. Surprising how much yarn it takes.
UV Resin Curing Time Calculator – Online Watt vs Thickness
Estimate curing time for UV resin based on lamp wattage and layer thickness. Avoid sticky finishes.
Leather Thickness Conversion – Online oz to mm Chart
Convert between ounces and millimeters for leather. Visual guide to common project thicknesses.
Bead Loom Pattern Designer – Online Grid & Thread
Click grid to place beads, choose colors, generate a loom pattern. Download as image.
Tie‑Dye Pattern Visualizer – Online See Fold & Dye Result
Click on a fold technique (spiral, crumple) and see a predicted color pattern. Print folding guide.
Macrame Cord Length Estimator – Online Project Calculator
Calculate total cord needed for a macrame plant hanger or wall hanging based on size and knot density.
Image to Cross Stitch Pattern - Online Convert Photo to Grid
Upload a photo and convert it to a pixelated cross-stitch pattern with DMC floss color matching. Adjust size and color count. Local processing.
Candle Wick Testing Log – Online Record & Compare Burn Results
Log pool depth, flame height, and soot for each wick series. Quickly identify the best wick for your wax and vessel.
Soap Superfat & Lye Purity Adjuster – Online Cold Process Calc
Adjust your lye amount based on lye purity (KOH/NaOH) and desired superfat percentage. Provides safety check for handmade soap recipes.
Friendship Bracelet Pattern Designer – Online Color & Knot
Choose colors and knots to design a friendship bracelet pattern. View the simulated final result.
Paper Box Template – Online Generate Printable Gift Box
Custom dimensions for a square paper box with lid. Generate SVG/PDF for cutting. Perfect for small gifts.
Quilt Binding Yardage Calculator – Online Bias & Straight Grain
Enter quilt perimeter, binding width, and seam allowance to get the exact fabric yardage for either straight‑grain or bias binding.
Custom Paint‑by‑Numbers Generator – Online from Photo
Upload a photo to create a numbered painting canvas with color swatches. Print and paint. Local only.
Knitting Gauge Calculator – Online Swatch to Stitches
Enter swatch dimensions and stitches to get gauge. Then calculate cast-on for desired finished size.
Crochet Stitch & Row Counter – Online with Pattern Repeat
Multiple digital counters for tracking stitches, rows, and pattern repeats. Increment, reset. Works on mobile.
Sewing Needle Selector – Online Fabric Weight & Type Chart
Choose fabric type and weight to see the ideal needle size and point style. Prevent skipped stitches and snags.
Embroidery Hoop Size Finder – Online Inches to Project Fit
Match your fabric design size to the correct embroidery hoop diameter. Visual guide showing how much fabric margin is left.
Yarn Weight Converter – Online Wrap Per Inch & Gauge Tester
Use wrap‑per‑inch (WPI) to identify mystery yarn and see equivalent standard weights (fingering, worsted). Compensate gauge.
Felting Shrink Calculator – Online Predict Wool Felted Size
Knit a swatch, measure before and after felting, and let this tool calculate the shrink percentage. Plan your felted projects accurately.
Embroidery Thread Converter - Online DMC to Anchor to Madeira
Find equivalent colors across DMC, Anchor, and Madeira embroidery floss brands. Enter a code to see matches. Local reference database.
Crochet Circle Increase Pattern Generator – Online Formula
Generate a stitch‑by‑stitch increase pattern for any number of rounds. Ensure your amigurumi or mandala lies perfectly flat.
Hot Glue Stick Usage Log – Online Track Remaining Length
Measure and log your glue stick before use. Alerts when you're low. Simple inventory for crafters.
Friendship Bracelet Thread Length Calculator – Online by Pattern
Select bracelet type (chevron, candy stripe) and enter rows to estimate total embroidery floss needed per color. Reduce waste.
Clay Conditioning Timer – Online Knead Log & Pasta Machine Passes
Log how many times you've passed clay through the pasta machine. Ensure thorough conditioning without guesswork.
Knitting Needle Gauge Finder – Online Digital Slider
Drag a virtual needle across a scale to measure its size in mm and corresponding US/UK/JP sizes.