Let’s be honest— toilet Replacement probably isn’t the most exciting thing on your home to-do list. But when the time comes, whether due to an upgrade, a leak, or a full-on bathroom remodel, getting it right matters.
The good news? You don’t need to be a plumber or a DIY pro to measure for a new toilet. You just need a few minutes, a tape measure, and a little guidance.
At NW Blds, we’ve helped tons of homeowners tackle bathroom projects, big and small. And one thing we always recommend? Measure first—you’ll thank yourself later!
Why Getting the Measurements Right Really Matters
Imagine buying a brand-new toilet, hauling it home, and then finding out…it doesn’t fit. Frustrating, right? Here’s why accurate measuring is key:
✅ Ensures your toilet fits your space
✅ Saves you time, money, and return trips
✅ Prevents installation headaches
✅ Helps you pass building code requirements
Now, let’s walk through the 5 simple steps to get it right.
Step 1: For Toilet Replacement – Measure the Rough-In
The rough-in is the distance from the wall behind your toilet to the bolts that hold it to the floor.
How to do it:
- Grab a tape measure.
- Measure from the wall (not the baseboard) to the center of the toilet bolts.
- You’ll likely get 10″, 12″, or 14″—with 12″ being most common.
📏 Pro Tip: If your toilet has two bolts, measure to the center of one of them.
Step 2: Know Your Bowl Shape
Toilets generally come in two shapes:
- Round: Shorter and better for tight spaces.
- Elongated: A bit longer and more comfortable.
How to check:
Measure from the bolts to the front of the bowl. If it’s around 16.5″, it’s round. Around 18.5″? It’s elongated.
Choosing the right shape ensures your new toilet isn’t bumping into the door or your knees!
Step 3: Check the Space Around the Toilet
We’ve seen it all—tight corners, cramped vanities, and awkward layouts. Avoid future regrets by checking for:
- Side clearance: At least 15″ from the toilet’s center to any wall or fixture.
- Front clearance: Minimum of 24″ for legroom.
✅ This isn’t just for comfort—it’s usually required by building code.
Step 4: While Toilet Replacement Pick a Comfortable Height
Not all toilets are created equal when it comes to height. You’ve got options:
- Standard height: Around 15″ from floor to seat.
- Comfort height: 17″–19″, easier on knees and back—great for seniors or anyone with mobility issues.
Try sitting on a few in-store to see what feels best. It’s okay—we all do it!
Step 5: Check the Water Supply Line
Before you commit to a toilet, peek at your water supply valve. It’s usually about 6″ above the floor and 6″ to the left of the toilet center.
If your new toilet has a larger base or skirted design, make sure that valve isn’t in the way. A small tweak now could save a big hassle later.
Ready to Replace Your Toilet?
You don’t need to be a home improvement guru to get this right—just a tape measure and these five steps. And if you do need help, we’re just a call away.
At NW Blds, we specialize in making home upgrades simple, smooth, and stress-free. Whether you’re thinking to toilet Replacement or tackling a full bathroom remodel, we’ve got your back.