Engineering Hub
Calculators for structural steel.
Calculators
Quick figures for estimating and planning, with every formula and assumption shown.
Steel weight calculator
Weight per metre and total weight of bars, pipes and hollow sections from their dimensions.
W = A × L × ρ
Open calculatorPlate weight calculator
Weight of steel plates from length, width, thickness and quantity.
W = L × B × t × ρ × n
Open calculatorUnit converter
Length, mass, force, stress, moment and section properties between SI and imperial units.
1 N/mm² = 1 MPa = 145.04 psi
Open calculator
Ready to price a structure?
Send your drawings and the engineering team will review them before quoting.
- 01Technical review — An engineer reviews your drawings and requirements.
- 02Clarifications — If anything is unclear or missing, we ask before pricing.
- 03Quotation — You receive a quotation with scope, programme and exclusions.
Drawing transmittal
- To
- Engineering team
- Purpose
- For quotation
What to include
- Drawings · PDF, DWG, DXF, IFC
- Approximate tonnage
- Site location
- Required-by date
- Specification · grade, paint, inspection
or email nrkinfra@icloud.com