Field-and-office calculators for steel detailers, fabricators, and erectors. Every result prints its formula and assumptions — nothing is a black box.
AISC shape lookup (1,660 shapes), plate, round and rect bar. Totals in lb and tons.
Depth, flange, web and k for any AISC designation, with a section sketch.
Connections × bolts per connection, waste factor, rounded order quantity.
Surface area from tonnage and coverage rate — gallons per coat.
Decimal feet to ft-in-sixteenths and back. Detailing precision.
Three finished-floor elevations in — the riser layout that hits your mid-landing with the tightest nose-to-nose spread. Out-and-back or straight run.
TOS at any point along a slope — elevation, slope in three formats, total rise.
X-Y coordinates for N bolts on a circle, chord lengths, start angle.
Frame diagonal in decimal and ft-in-sixteenths; out-of-square from a measured pull.
Add, subtract, multiply and divide feet-inch-fractions on a keypad built full-screen for a tablet on the bench. Exact fraction math, every answer shows its arithmetic.
Tap a bolt diameter: standard, oversized and slotted hole sizes, minimum edge distance, minimum and preferred spacing, and the thickness-driven maximums — each with its AISC 360 section.
Chord and mid-ordinate in, radius out — or radius and angle in. Arc length at the neutral axis, inside and outside arcs, outer-fibre strain, and a sketch of what you typed.
Minimum size from the thinner part, maximum along the edge it runs on, minimum effective length and the throat — the two limits that bracket a fillet before strength is considered.
Embedment, grout, leveling nuts, base plate, washer, nut and thread projection stacked into a rod length, with the whole sum printed and drawn to scale.
Every AISC v16.0 shape with k-det, T and the workable gage plus Ix, Sx, Zx, rx, Iy, ry, J. Two or three side by side, and what changes if one is substituted for another.
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