YardstickTools

How much do you need? Measure it once, here.

Free calculators for makers, gardeners and pet people: fabric, yarn, lumber, resin, wax, soil, water and more. Every answer comes with the formula, a chart and a printable page.

Woodworking Calculators

All woodworking calculators calculators →

Board feet, lumber cost and nominal vs actual sizes.

Board Foot Calculator
Board feet, cost and waste for a list of boards, hardwood or softwood.

Resin & Candle Making Calculators

All resin & candle making calculators calculators →

Epoxy volumes and mix ratios, candle wax and fragrance oil.

Candle Wax Calculator
Wax and fragrance oil by weight for any jar size and batch.
Epoxy Resin Calculator
Resin for molds, river tables and tabletop coats, split into A and B.

Quilting Calculators

All quilting calculators calculators →

Backing, binding, half-square triangles and quilt sizes.

Half Square Triangle Calculator
Cutting sizes and square counts for 2-, 4- and 8-at-a-time HSTs.
Quilt Backing Calculator
Yardage, panels and seam direction for any quilt back.
Quilt Binding Calculator
Strips to cut and fabric to buy for double-fold binding.
Quilt Size Calculator
Finished size from blocks and borders, or the right size for your bed.

Sewing & Needlework Calculators

All sewing & needlework calculators calculators →

Fabric yardage, cutting plans and cross stitch fabric sizes.

Cross Stitch Fabric Calculator
Finished design size and fabric to cut for any Aida or linen count.
Fabric Yardage Calculator
Yards and meters to buy for any set of pieces, with a cutting plan.

Knitting & Crochet Calculators

All knitting & crochet calculators calculators →

Yarn yardage, gauge and cast-on counts, and blanket sizes.

Crochet Blanket Size Calculator
Blanket size chart plus the starting chain and rows at your gauge.
Knitting Gauge Calculator
Cast-on stitches and rows from your gauge, or rescale a pattern.
Yarn Calculator
Yards, meters and skeins for any project, worked out from your swatch.

Pool & Aquarium Calculators

All pool & aquarium calculators calculators →

Pool gallons, aquarium volume and fish stocking.

Aquarium Volume Calculator
Gallons, liters and weight for rectangle, bow front, cylinder and hex tanks.
Fish Tank Stocking Calculator
Check your fish list against the inch-per-gallon and surface-area rules.
Pool Volume Calculator
Gallons and liters for round, oval, rectangle and kidney pools.

Garden Calculators

All garden calculators calculators →

Companion plants, raised bed soil and square foot garden plans.

Companion Planting Chart
Good and bad neighbors for 30 vegetables, herbs and flowers.
Raised Bed Soil Calculator
Soil for any raised bed in cubic feet, cubic yards and bags.
Square Foot Garden Planner
Plan a square foot garden square by square and count the plants.

Pet & Backyard Animal Calculators

All pet & backyard animal calculators calculators →

Cat and dog ages in human years, and chicken coop space.

Cat Age Calculator
Cat years to human years, plus your cat's life stage.
Chicken Coop Size Calculator
Coop floor, run, roosts, nest boxes and vents for your flock.
Dog Age Calculator
Dog years to human years by size, plus the epigenetic formula.