YardstickTools
36 free calculators · no sign-up

How much do you need?

Exact amounts of fabric, yarn, lumber, resin, wax, soil and water — with the formula, a chart for standard sizes and a printable page behind every answer.
Popular:Board feetPool gallonsCompanion plantsQuilt backingEpoxy resinCat years

Answers, not guesses

Woodworking Calculators

All woodworking calculators →

Board feet, stairs, deck boards, tape measure fractions and decimals.

Board Foot Calculator
Board feet, cost and waste for a list of boards, hardwood or softwood.
Deck Board Calculator
Deck boards, linear feet, joists and screws for any deck size.
Fraction to Decimal Chart (Inches)
Every 64th of an inch as a decimal and in mm, with a two-way converter.
How to Read a Tape Measure
Tap any mark on an interactive tape to see its fraction, decimal and mm.
Plywood Calculator
Plywood and OSB sheets for subfloors, walls and roofs, with cost.
Rafter Calculator
Common rafter length, angle and ridge height for any span and pitch.
Stair Calculator
Risers, treads, total run and stringer length from the total rise.

Resin & Candle Making Calculators

All resin & candle making 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 →

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 →

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 →

Yarn yardage, gauge, blanket sizes, and needle and hook sizes.

Crochet Blanket Size Calculator
Blanket size chart plus the starting chain and rows at your gauge.
Crochet Hook Size Chart
US letters, millimeters and UK sizes for every hook, plus the yarn each suits.
Knitting Gauge Calculator
Cast-on stitches and rows from your gauge, or rescale a pattern.
Knitting Needle Size Chart
US, metric and UK sizes for every knitting needle, plus the yarn each suits.
Yarn Calculator
Yards, meters and skeins for any project, worked out from your swatch.

Pool, Pond & Aquarium Calculators

All pool, pond & aquarium calculators →

Pool and pond 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.
Pond Volume Calculator
Pond gallons, liner size and pump flow for any garden pond.
Pool Volume Calculator
Gallons and liters for round, oval, rectangle and kidney pools.

Garden & Landscape Calculators

All garden & landscape calculators →

Mulch, gravel, soil and sand, companion plants and garden plans.

Companion Planting Chart
Good and bad neighbors for 30 vegetables, herbs and flowers.
Gravel Calculator
Gravel for driveways, paths and patios in cubic yards, tons and bags.
Mulch Calculator
Mulch for garden beds in cubic yards and 1.5, 2 or 3 cu ft bags.
Raised Bed Soil Calculator
Soil for any raised bed in cubic feet, cubic yards and bags.
Sand Calculator
Sand for sandboxes, paver bases and leveling in tons and bags.
Square Foot Garden Planner
Plan a square foot garden square by square and count the plants.
Topsoil Calculator
Topsoil for lawns, beds and leveling in cubic yards, tons and bags.

Pet & Backyard Animal Calculators

All pet & backyard animal calculators →

Cat and dog ages, puppy adult weight, 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.
Puppy Weight Calculator
Your puppy's likely adult weight, from its weight and age in weeks.

Home Improvement Calculators

All home improvement calculators →

Tile, boxes and grout for floors, walls and backsplashes.

Tile Calculator
Tiles, boxes and grout for floors, walls and backsplashes.