Calculate the number of beads and materials needed for your jewelry beading projects including bracelets, necklaces, and patterns.
Standard: 6.5-8 inches
Common sizes: 4mm, 6mm, 8mm, 10mm
Additional accent or spacer beads
Average cost for each main bead
Cost of beading wire or elastic cord
Clasps, jump rings, crimp beads, etc.
Accurate bead counting is essential for successful jewelry making. Whether you're creating bracelets, necklaces, or intricate beading patterns, knowing exactly how many beads you need prevents frustrating shortages and helps you budget effectively for your projects.
This calculator helps you determine bead quantities based on your design length, bead size, and pattern requirements, ensuring you have all materials ready before starting your jewelry project.
Beads are measured in millimeters, and understanding these measurements is crucial for accurate calculations:
Sized by number (higher = smaller):
Measured directly in millimeters:
Always add extra length to your wire or cord for proper finishing:
Bracelets
Add 4-6 inches to finished length for clasps and crimping. Elastic cord needs 3-4 inches for knotting.
Necklaces
Add 6-8 inches for clasps and finishing. Longer necklaces may need additional length for drape.
Multi-Strand Designs
Each strand needs its own finishing allowance. Consider using a multi-strand clasp for easier assembly.
Use these standard measurements as starting points for your designs:
Divide your desired length by the bead diameter. For example, a 7-inch bracelet with 6mm beads needs approximately 30 beads (7 inches = 177.8mm ÷ 6mm = 29.6 beads).
For patterned designs, count beads in one complete pattern repeat, then multiply by the number of repeats needed for your desired length.
String a 1-inch sample of your design, count the beads, then multiply by your total length in inches. This accounts for spacing and pattern variations.
Accurately estimating costs helps with budgeting and pricing finished pieces:
Beads are typically sold by weight (grams) or quantity (per strand or package). Calculate cost per bead for accurate project pricing:
Include costs for clasps, jump rings, crimp beads, wire guards, and other findings. These can add $2-10+ per piece depending on quality and metal type.
Factor in beading wire, cord, or thread costs. Professional beading wire costs $5-20 per spool, while elastic cord is typically $3-8 per roll.
Quick reference for common bead sizes:
Approximate counts for seed beads: