Precision Calculators
For Every Project
The ultimate free tool library for construction, engineering, gardening, and DIY. Get accurate estimates fast and start building today.
Garden
Grass Seed Calculator
Seed weight calculation for new lawns or overseeding projects.
Sod Calculator
Calculate pallet and roll requirements for instant lawn installation.
Mulch Calculator
Volume calculation for garden bed coverage depth and area.
Soil Calculator
Calculate cubic yards of soil needed for leveling ground.
Fertilizer Calculator
Calculate N-P-K nutrient application rates for your lawn.
Plant Spacing Calculator
Determine exact plant counts based on grid area dimensions.
Raised Bed Soil
Mix the perfect soil blend for rectangular garden beds.
Potting Soil Calculator
Volume estimation for round pots, planters and containers.
Hardscape
Retaining Wall
Calculate blocks, caps, and gravel backfill for structural walls.
Paver Calculator
Estimate total pavers needed including cut waste percentage.
Paver Sand
Calculate bedding and joint sand volume precisely.
Gravel Calculator
Determine tons or cubic yards of gravel for driveways.
Rebar Calculator
Calculate linear footage and weight for concrete reinforcement.
Build Better Walls with the Retaining Wall Estimator
Stop guessing materials. Get precise counts for wall blocks, capstones, and drainage gravel in seconds.
- Auto-calculates buried base course
- Instant estimate for 3 common block sizes
Empowering Your Projects with Precision
GoCalc was founded with a simple goal: to eliminate the guesswork in landscaping and construction. We provide free, professional-grade calculators that help contractors and DIY enthusiasts save time, reduce waste, and build with confidence.