Civil Engineering Calculators for Malaysia
39 free tools built on MSMA, JKR, MS EN, SPAN, DOE, and BQSM standards. Get instant, code-compliant results across 9 categories — drainage, earthworks, roads, structural, geotechnical, costing, and more.
Built on Malaysian Standards
MSMA
Manual Saliran Mesra Alam
JKR
Jabatan Kerja Raya
MS EN
Malaysian Eurocode (EC2/EC7)
SPAN
Water & Sewerage Commission
DOE
Dept of Environment
BQSM
Board of Quantity Surveyors
Popular Calculators
Most used tools by Malaysian engineers
Rational Method — Peak Flow
Peak stormwater flow using MSMA rational method (Q = CiA/360).
MSMA 2nd Ed
StructuralRC Slab Design (One-Way & Two-Way)
Design slabs with moment coefficients, steel area, and deflection check per EC2.
MS EN 1992-1-1
GeotechnicalBearing Capacity Calculator
Terzaghi & Meyerhof bearing capacity with shape and depth factors.
MS EN 1997-1
CostingPreliminary Cost Estimate (PCE)
Building cost from GFA with location, storey, and inflation adjustments.
JKR / BQSM / CIDB
RoadsFlexible Pavement Design
ESAL calculation, traffic category, and layer thicknesses per JKR ATJ 5/85.
JKR ATJ 5/85
EnvironmentalWater Demand Calculation
Domestic, commercial & industrial demand with NRW and peak factors per SPAN.
SPAN Guidelines
Browse by Category
Drainage9 tools
Stormwater, IDF curves, drains, culverts, detention, OSD, RWH, bioretention
Earthworks3 tools
Cut & fill volumes, slope gradients, compaction checks
Roads5 tools
Pavement design, sight distance, gradient & curve, traffic volume (PCU)
Sewerage1 tool
Sewer pipe sizing per MSIG/SPAN guidelines
Structural8 tools
Slab, beam, column, footing, shear, deflection, crack width (Eurocode)
Geotechnical4 tools
Bearing capacity, settlement, slope stability, pile capacity
QS / Costing6 tools
Cost estimates, build-up rates, VO, tender evaluation, IPC, final account
Environmental2 tools
Water demand (SPAN) and EIA screening (DOE)
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How It Works
Three simple steps to code-compliant results
1.Choose a Calculator
Pick from 39 tools covering drainage, earthworks, roads, structural, geotechnical, costing, and environmental.
2.Enter Your Parameters
Input design values — catchment area, pipe diameter, beam dimensions, and more.
3.Get Compliant Results
Receive instant results with code-compliance checks against Malaysian standards.
What's New
All updates →17 new calculators deployed across 3 new categories
Geotechnical (bearing capacity, settlement, slope stability, pile capacity), QS/Costing (PCE, build-up rates, VO, tender evaluation, IPC, final account), Environmental (water demand, EIA screening), plus slab design, deflection check, sight distance, road curves, and traffic PCU.
19 initial calculators launched
First release covering drainage (MSMA), earthworks (JKR), roads (ATJ 5/85), sewerage (MSIG/SPAN), and structural (MS EN 1992) calculators.