Engineering Calculators
IS Code
Base Shear & Lateral Force
Equivalent static analysis per IS 1893 (Part 1): 2016 with storey-wise force distribution.
Open calculatorIS Code — 2025
Base Shear & Lateral Force
Updated for IS 1893 (Part 1): 2025 with revised site class, return period, and zone factors.
Open calculatorASCE 7-16
Seismic Base Shear
ASCE 7-16 equivalent lateral force procedure with Fa, Fv, Ie, Cs, and Excel export.
Open calculatorASCE 7-22
Seismic Base Shear
Latest ASCE 7-22 procedure using SMs, SM1, and risk-targeted MCE ground motions.
Open calculatorRecent Articles
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