Dog House Calculator 3D

Units

Dog breed:

Outer width in

Depth in

Height in

Wall thickness in

Door width in

Door height in

Board length in

Board width in

Price per board $

Parameter	Value
Surface area	-
Estimated weight	-
Boards required	-
Total cost	-

Use this tool to find the right dimensions and materials for a sturdy wooden doghouse. Pick a breed and the calculator fills in recommended exterior size and entry opening. Tweak thickness, board size and price, then run the math to get panel area, material volume, estimated weight, number of boards and estimated cost. A live 3D view updates as you change values so you can spot fit or clearance issues fast.

Table of Contents

How to use

Choose a breed and accept the suggested exterior width, depth and height. The entry opening updates too.
Adjust wall thickness, board length and width, and per-board price if you want to use local lumber specs.
Click calculate to get total panel area, volume of wood, estimated weight, required boards including waste, and total material cost.
Watch the 3D preview to confirm geometry and make quick layout fixes.

A practical doghouse calculator that helps you pick the right size, wood, and build approach, then gives cut lists, weight, and rough cost so you can build with confidence.

Standard sizes by breed

Breed	Width W	Depth L	Height H	Entry width × height
Chihuahua	20 in	18 in	18 in	7 × 10 in
Yorkshire Terrier	24 in	20 in	22 in	8 × 12 in
Pomeranian	24 in	20 in	22 in	8 × 12 in
Toy Poodle	26 in	22 in	24 in	9 × 13 in
Dachshund	30 in	22 in	24 in	9 × 12 in
Jack Russell Terrier	30 in	24 in	26 in	10 × 14 in
French Bulldog	32 in	26 in	26 in	11 × 15 in
Pug	30 in	24 in	25 in	10 × 14 in
Beagle	36 in	28 in	30 in	12 × 16 in
Corgi	36 in	28 in	26 in	12 × 16 in
Border Collie	40 in	30 in	32 in	13 × 18 in
Australian Shepherd	40 in	30 in	32 in	13 × 18 in
Labrador Retriever	47 in	33.5 in	35.5 in	14 × 20 in
Golden Retriever	48 in	34 in	36 in	14 × 20 in
German Shepherd	49 in	35.5 in	37.5 in	15 × 21.5 in
Doberman	48 in	34 in	36 in	14 × 21 in
Rottweiler	54 in	38 in	40 in	16 × 23 in
Great Dane	60 in	44 in	48 in	18 × 28 in
Mastiff	59 in	43 in	43 in	18 × 25.5 in
Alabai	60 in	45 in	45 in	18 × 26 in
Saint Bernard	62 in	46 in	48 in	19 × 28 in

How to size from your dog

Measurement	How to measure	Rule of thumb
Withers height	Measure from ground to the highest point of the shoulder blades	House height H equals dog withers plus 2 to 4 inches
Body length	From nose to base of tail	Depth L equals body length plus 4 to 8 inches so dog can stretch out
Chest width	Measure the widest point of the rib cage	Entry width equals chest width plus 2 to 3 inches
Entry height	Measure standing height to top of head	Entry height equals withers height minus 2 inches so the opening is slightly lower than the shoulder

Design considerations

Comfort and safety come first. Interior space must let your dog lie down and turn without hitting walls.
Weather protection matters. Add a small overhang above the opening, raise the floor 2 to 6 inches above grade, and consider insulation for cold climates.
Durability. Choose rot resistant wood and finish with a non toxic, water repellent treatment.

Ventilation is crucial. Add narrow vents near the top of the back wall and 1 inch vents low at the floor to keep airflow moving without drafts through the entry. For rainy climates, slope the roof and add flashing or shingles to keep water out.

Recommended wall thickness

Small breeds, indoor or mild climates, use 1⁄2 inch plywood or 1⁄2 inch boards.
Medium breeds use 5⁄8 to 3⁄4 inch stock.
Large breeds and cold climates use 3⁄4 to 1 inch thick boards for structure and insulation.

🐶 Raise the floor 2 to 6 inches. That prevents rot and helps insulation performance. Use stainless or galvanized fasteners for longevity.

Step by step build order

Prepare materials and tools. Typical list includes circular saw, drill, screws, square and tape measure. Use exterior grade plywood or solid boards for walls.
Build a rigid floor box and attach short legs or a subframe to keep the floor off the ground.
Fasten side panels and back panel to the floor frame.
Cut and fit the front panel with the entry opening. It is easier to cut the opening after the sides are attached so placement is precise.
Install the roof. A removable roof or hinged top makes cleaning and access much easier.
Add insulation and interior lining if you plan year round outdoor use. Seal seams and finish with a water repellent. Let the treatment fully cure before letting your dog use the house.

For practical step by step instructions and craft tips see the Home Improvement guides and free plans online. These resources give clear material lists, cut lists and assembly photos that pair well with the numbers from this calculator.

Worked example for a German Shepherd using US units

Example inputs

Exterior width W 49.2 inches, depth L 35.4 inches, height H 37.4 inches
Entry opening 15.0 inches wide by 21.65 inches high
Wall thickness 0.79 inches
Board size 118.11 inches long by 7.87 inches wide
Wood density approximated at 31.2 pounds per cubic foot
Waste factor 15 percent

Results from calculator

Total panel area about 65.94 square feet
Material volume about 4.33 cubic feet
Estimated weight about 135.06 pounds
Board area per board about 0.600 square meters, that is 6.46 square feet per board
Boards required after 15 percent waste about 12 boards
If each board costs 15 dollars, material cost about 180 dollars

Quick math notes

Floor area equals width times depth. Multiply by two for floor and roof.
Sides equal depth times height each.
Front area equals width times height minus the entry opening area.
Total panel area equals the sum of floor, roof, both sides, back and front with opening removed.
Volume equals total area times wall thickness. Weight equals volume times wood density.

Treat all exterior surfaces with a pet safe water repellent. Use a removable floor insert for cleaning and drying. Place the entry away from prevailing winds and give a small roof overhang to deflect rain. If you insulate, make the inner lining removable so you can check and dry the insulation each season.

Sample checks before you build

Verify the entry height with your dog standing. The entry should be slightly lower than the shoulder.
Confirm the house sits level and the floor is 2 to 6 inches above ground.
Confirm ventilation and that there are no sharp screw points inside.

Authoritative step by step guides and free plans are available from reputable home improvement sites and DIY plan hubs. The Spruce Pets has a solid collection of free plans and templates. For pro level build instructions and quick reference, use established DIY books and storey style bulletins.