The estimator's toolkit
Construction
calculators.
Find the right tool. Get the quantities, costs, and conversions behind your estimate.
- 28 free tools
- No sign-up required
- Formulas included
Plan a concrete pour.
28 calculators
Quantities & materials
18 calculatorsConcrete Calculator
Slabs, footings, and columns in cubic yards, with bag counts for small pours.
- yd³
- bags
Rebar Calculator
Bar counts from grid spacing, plus weight and tons by bar size.
- bars
- lb
- US tons
Board Foot Calculator
Lumber board feet and cost, with nominal sizes and the hardwood quarter system.
- BF
- cost
Stud Calculator
Studs, plates, and sheathing for wall framing at 16 or 24 inch spacing.
- studs
- sheets
Decking Calculator
Deck boards, joists, and fasteners from deck dimensions and layout.
- boards
- joists
Paint Calculator
Gallons from wall area, coats, and coverage, with door and window deductions.
- gallons
- cost
Gravel Calculator
Cubic yards and tons for paths and driveways, by material density.
- yd³
- US tons
Asphalt Calculator
Hot-mix tonnage from area and depth, with driveway build-up guidance.
- US tons
Drywall Calculator
Board area, sheet count by size, metal stud and track, compound, tape, and screws.
- sheets
- materials
Masonry Calculator
CMU and brick counts after openings, plus mortar bags and grout.
- blocks
- bricks
- bags
Steel Tonnage Calculator
Linear feet, pounds, and tons for W, HSS, and angle members, with a connection allowance.
- lb
- US tons
Conduit and Wire Calculator
Circuit count and homerun length to total conduit and conductor footage.
- conduit ft
- wire ft
Demolition Debris Calculator
In-place quantities to loose cubic yards with swell, sized into dumpster pulls.
- yd³
- pulls
Ductwork Weight Calculator
Rectangular duct size, length, and gauge to square feet and pounds of galvanized.
- ft²
- lb
Glazing Calculator
Openings from the window schedule to glass square feet and frame linear feet.
- glass ft²
- frame ft
Insulation Calculator
Net square feet to batt bundles and board count, with an R-value check.
- bundles
- boards
Landscape Material Calculator
Bed area and depth to mulch or topsoil yards and bags, plus sod and seed.
- yd³
- bags
Plumbing Fixture Unit Calculator
Fixture counts by type to total DFU and WSFU from IPC code tables.
- DFU
- WSFU
Costs & pricing
4 calculatorsMarkup & Margin Calculator
Turn direct cost into a bid with overhead and profit, and see the real margin.
- bid price
- margin %
Cost per Sq Ft Calculator
Construction cost per square foot for quick project-level comparisons.
- cost / ft²
Concrete Slab Cost Calculator
Price a slab pour: yards with waste, ready-mix dollars, and pump costs.
- yd³
- cost
House Cost Calculator
Planning-level build cost range by size and quality tier, from public data.
- cost range
Bid strategy
4 calculatorsBid Pipeline Velocity
Revenue per day from bids out, hit ratio, contract value, and cycle time.
- revenue / day
Bid Price-Cut Simulator
What a price cut does to margin, and the hit ratio it takes to break even.
- margin %
- hit ratio
Bid Go/No-Go Scorer
Score a pursuit on eight weighted criteria before you spend estimating hours.
- pursuit score
Estimating ROI Calculator
Hours a faster takeoff frees up, and the bids, jobs, and revenue they turn into.
- hours
- revenue
Conversions & geometry
2 calculatorsCalculators price one line. Ruh prices the whole bid.
AI takeoff reads your plan set, counts every trade, and drafts a priced estimate on your own price book.
Looking for definitions instead? The construction glossary covers the terms these tools use, and the estimating guides walk through the full method.
Figures on this page are illustrative. Construction estimates depend on project-specific conditions, source documents, market pricing, and professional judgment. Ruh's AI assists the estimator and does not replace professional review: your team reviews, validates, and approves every estimate, bid, and pricing decision.