0
sin cos tan
sin-1 cos-1 tan-1 π e
xy x3 x2 ex 10x
y√x 3√x √x ln log
( ) 1/x % n!
7 8 9 + Back
4 5 6 Ans
1 2 3 × M+
0 . EXP / M-
± RND AC = MR

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From the Blog: 2026 Project Cost Guides

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In-depth, regularly updated guides that walk through the real math and 2026 pricing behind every estimate — written by the people who build the calculators.

Patio & Pavers

How Much Does a Paver Patio Cost in 2026?

A full breakdown of paver patio pricing per square foot — materials, base, and labor — plus how to size your order so you don't run short or overbuy.

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Garden & Mulch

How Much Mulch Do I Need? (2026 Guide)

The one formula that makes mulch math simple, the right depth for every bed, and exactly when bulk delivery beats bags on price.

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Concrete

Concrete Slab Cost & How Many Bags You Need

What a slab really costs per square foot in 2026, how to calculate cubic yards, and the bag-vs-ready-mix break-even point.

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Decks

Deck Cost in 2026: Wood vs Composite

Per-square-foot pricing for both materials, the ten-year cost comparison, and the factors that quietly add thousands to a deck quote.

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Fencing

How Much Does a Fence Cost in 2026?

Cost per linear foot by material — wood, vinyl, chain-link, aluminum — plus gates, slopes, and the surprises that move the price.

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