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Tank litres, lumber scales, wallpaper rolls with repeat, and saw angles. Results are planning figures, not a substitute for a building code or livestock care.
Aquarium, lumber, walls, saws
Shape-specific tank pages, Doyle/Scribner log rules, and compound miters.
Aquarium Volume Calculator
Finds litres and gallons for rectangular, bowfront, cylinder, hexagon, and corner tanks.
Board Feet Calculator
Counts lumber board feet and log scale with Doyle, Scribner, and International ¼″.
Wallpaper Calculator
Estimates rolls with pattern repeat, straight match, or half-drop.
Miter Angle Calculator
Finds polygon, picture-frame, and compound crown-molding miter and bevel angles.