Get fast, accurate estimates for your trade with our professional services calculators. Calculate HVAC loads, plumbing pipe sizes, electrical wire gauges, and landscaping materials. Trusted by contractors and service pros.

How do I size plumbing pipes for my project?

Pipe size depends on total fixture units and pipe length. Our calculator gives a quick estimate for residential projects. Always check local codes.

How do I choose the right wire gauge?

Wire gauge depends on current (amps) and distance. Our calculator uses common NEC guidelines for copper wire. Always consult an electrician for safety.

How do I calculate landscaping material?

Multiply length × width × depth (in feet), then divide by 27 to get cubic yards. Our calculator does this for you and works for mulch, soil, or gravel.