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About this tool
Plan a puja room: shrine width, platform height for your idols, seating depth, ventilation and traditional direction notes.
This planner sizes a home puja space from the things you can measure: shrine width comes from the number of idols plus a 100 mm gap between them and a 75 mm side margin, shrine depth adds a 250 mm zone in front for the lamp, bell and thali, and platform height is set so the idol's face lands at your eye level — about 0.48 of standing height when you sit cross-legged on the floor and 0.936 when you stand. It also totals the seating depth a family needs and flags placements that traditional Vastu practice advises against. The dimensions are geometry; the direction notes are recorded convention, not a ruling.
Open Puja Room Planner on AltFTool — it loads instantly in your browser.
Add your input to the workspace.
Adjust the options until the result looks right.
Copy or download the output and put it to work.
Derives the height from your own eye level and the idol's height instead of copying a standard cabinet.
Compares the shrine, seating and standing room against the width and depth you actually have.
Direction guidance is presented as recorded Vastu convention, separate from the measurements.
Vastu convention places the shrine in the north-east corner, called Ishanya, with east and north as the next choices. The idols are usually set facing west or south so the person praying faces east or north. This is traditional practice rather than a building requirement — the measurable factors are ventilation, light and enough clear space to sit.
High enough that the deity's face sits at your eye level. Sitting cross-legged on the floor, eye level is roughly 0.48 of your standing height — about 790 mm for someone 165 cm tall — so a 300 mm idol whose face is around 270 mm up needs a platform near 520 mm. If you pray standing, eye level jumps to about 1,540 mm and the shrine belongs on a wall unit.
Many families avoid both, and under a staircase is also awkward in practice because of low headroom and footfall overhead. Where a bedroom is the only option, the usual compromise is a cabinet with shutters or a curtain, positioned away from the foot of the bed. A shrine sharing a wall with a bathroom is worth avoiding on damp grounds alone.
Three idols of 150 mm width need about 800 mm of shrine width and 400 mm of depth. Add 900 mm for a row of people seated on mats and 600 mm to stand up and step back, and the whole arrangement wants roughly 1.9 m of depth — which is why a 1.2 m wide, 2.1 m deep alcove works well for a family of two or three.