Seam 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.
UD5 Toolkit
Visual reference for common seam allowances (1/4″, 5/8″, etc.) with actual size on screen. Essential sewing aid.
Enter a reference port's high tide and see estimated tides for the next 3 days using rule of twelfths. Educational.
Plot weekly weight gain against recommended ranges based on pre-pregnancy BMI. IOM guidelines displayed. Data stored in localStorage.
Enter your hand and dealer's up card to see optimal move (hit, stand, double, split) using basic strategy. Educational casino reference.
Record daily systolic/diastolic readings and pulse. See a trend chart. All data saved locally in your browser.
Interactive soprano recorder chart showing which holes to cover for each note. Switch between baroque and German fingering.
Reference for standard blanket and afghan sizes in inches and cm. Perfect for knitters and crocheters.
Look at a color‑coded BMI table for your height and see the healthy weight range. Simple reference.
Build a color palette for charts that works for protanopia, deuteranopia, and grayscale. Export as array.
See a live bar chart of character frequencies as you type or paste text. Great for cipher cracking and linguistics.
Enter task names, start dates, and durations to generate a simple Gantt chart as an image. Quick project view.
See the healthy weight range for your height using standard BMI chart. Gender‑specific data. Quick reference.
Searchable grid of all named HTML character entities with previews. Click to copy &, <, © etc. For web devs.
Create a simple seating chart by dragging desk icons and assigning names. Print or screenshot. Perfect for teachers.
Build a vertical timeline by entering events with dates and descriptions. Export as image or HTML. Perfect for project milestones.
Convert a photo into a color‑reduced embroidery or cross‑stitch pattern with DMC thread colors. Adjust size and palette. Print chart.