Concrete & Foundation
- • Concrete volume calculations
- • Bag quantity estimation
- • Waste percentage considerations
- • Cost estimation tools
- • Slab, driveway, and foundation planning
Construction Calculator
Professional construction calculators for concrete, BTU/HVAC sizing, square footage, stairs, tiles, mulch, and gravel. Essential tools for builders, contractors, and DIY projects.
Complete Construction Calculator Suite
Professional building tools with 10+ calculators for concrete, HVAC, measurements, stairs, tiles, mulch, gravel, and slope projects
Slope Calculator
Calculate slope percentage, degrees, and ratios for driveways, ramps, and grading
Vertical distance
Horizontal distance
How to use: Calculate slope for driveways, ramps, drainage, grading, and accessibility compliance. Enter Rise (vertical height change) and Run (horizontal distance), then select Units (Feet/Inches/Meters/Centimeters). Results show: Slope Percentage (rise/run × 100), Slope Degrees (angle from horizontal), Slope Ratio (rise:run format), and Description. Standards: ADA wheelchair ramps max 8.33% (1:12 ratio), driveways typically 10-15%, parking lots 1-5% for drainage, walkways max 5% preferred. Minimum 2% slope for drainage. Steep slopes >25% may require retaining walls. Critical for construction planning, accessibility compliance, water management, and erosion control.
Professional Construction Planning Tools
Our comprehensive construction calculator suite provides essential tools for builders, contractors, homeowners, and DIY enthusiasts. Calculate material quantities, HVAC requirements, square footage, stair dimensions, and landscaping needs with professional accuracy for successful project planning.
HVAC & BTU Sizing
- • BTU requirement calculations
- • Air conditioning tonnage sizing
- • Room type considerations
- • Insulation quality adjustments
- • Climate zone modifications
Space Planning
- • Multi-room square footage
- • Floor plan calculations
- • Property measurement tools
- • Room-by-room breakdowns
- • Real estate and rental planning
Stair Design
- • Building code compliance
- • Riser and tread calculations
- • Total run measurements
- • Step count optimization
- • Safety standard adherence
Flooring & Tile
- • Tile quantity calculations
- • Pattern waste considerations
- • Box and material estimation
- • Complex layout planning
- • Installation waste factors
Landscaping Materials
- • Mulch volume calculations
- • Gravel weight and quantity
- • Garden bed planning
- • Drainage project materials
- • Driveway and path planning
Construction Calculator Best Practices
Accurate Measurements
Always measure twice and calculate once. Use precise measurements and account for waste factors appropriate to your project complexity. Consider irregular shapes and obstacles that may affect material requirements.
Building Code Compliance
Our stair calculator follows standard building codes, but always verify local requirements. HVAC sizing should be confirmed by professionals for final installations. Building permits may be required for major construction projects.
Material Ordering
Order materials with appropriate waste factors included. Concrete and gravel are often sold in minimum quantities. Consider delivery costs and timing for bulk materials like concrete that must be used immediately.
Professional Consultation
These calculators provide estimates for planning purposes. Consult with contractors, engineers, or HVAC professionals for complex projects, structural work, or systems requiring permits and professional installation.
Build with Confidence
Whether you're planning a DIY project or estimating materials for a major construction job, our construction calculators provide the accuracy and detail needed to ensure your project is properly planned, budgeted, and executed successfully.