One-Piece vs Two-Piece Toilet: Which Should You Buy?

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Both flush the same way. The difference is whether the tank and bowl are one solid piece or two pieces bolted together, and that affects cleaning, repairs, weight and price.

One-pieceTwo-piece
CleaningEasier, no seam where tank meets bowlA seam that collects grime
PriceUsually higherUsually lower
WeightHeavier in one awkward pieceTwo lighter pieces, easier to carry
RepairsFewer gaskets to leakTank-to-bowl gasket can leak over time, but parts are easy to find
LookSleek, modernTraditional

One-piece picks

Simple Project One-Piece Toilet, 5″ Slim Tank

Ultra-compact one-piece with a dual flush. Few seams to clean.

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OVRUS Egg-Shaped One-Piece Toilet

A compact, rounded designer toilet. Also sold in colors.

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Two-piece picks

ELEMAZ 21″ Extra Tall Toilet, Elongated

Seat sits well above standard height. Built for tall adults and anyone who struggles to stand up.

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SKIFLEX 17.2″ Corner Toilet, Comfort Height

Fits into a corner and frees up walking room.

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Our take

For a small or modern bathroom where looks and easy cleaning matter, go one-piece. For a budget job, a hard-to-reach upstairs bathroom, or anyone who wants the cheapest long-term repairs, go two-piece. Already have a two-piece that’s acting up? Our toilet repair parts guide covers the usual fixes.

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