Free calculatorsPad Footing Design Calculator
Multi-code isolated pad (spread) footing design — SANS 10100, BS 8110 and Eurocode 2 / EC7. Enter axial load, moment, column size and allowable bearing for a live bearing-pressure distribution, plan and elevation, full bearing / overturning / sliding / flexure / one-way and punching-shear checks and a printable step-by-step calc sheet.
SANS/BS use the validated STATIX engine — verified against 221 benchmarks; Eurocode 2 / EC7 per EN 1992-1-1
Inputs
Footing
Design code
Column loads (at column top)
kN
kNm
kNm
kN
kN
Footing & column geometry
m
mm
Soil & stability
kPa
Materials
MPa
MPa
Footing plan
Elevation
Soil bearing pressure
Design result
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—
enter loading
| Base size B×L×h | — |
| Auto self-weight | — |
| Bearing qmax / qmin | — |
| Overturning SF | — |
| Sliding SF | — |
| Effective depth d | — |
| Bottom steel — EW (X) | — |
| Bottom steel — NS (Y) | — |
| Punching v / vc | — |
Section
Design checks
Step-by-step calculation
Combined bending schedule — all footings
Every footing in the project, aggregated — bottom-mat bars each way (X / EW and Y / NS). Marks are prefixed with each footing name. Use “Add footing” above to build the full schedule, then Download PDF (print → Save as PDF). Cutting lengths per SANS 282:2004 (nominal — anchorage/laps to detailer).
221
This isn't a toy calculator
It runs the same engine as STATIX — a full structural suite validated against 221 closed-form and code benchmarks across analysis, design and connections — the full 3D modeller with native CBFEM is coming soon. Model the whole building, not just one footing.