Welcome to
CivilCalc.online
Standards-compliant civil engineering calculators — built for Malaysia.
Do quick, standards-compliant design checks for drainage, roads, sewerage, and structures in your browser.
What CivilCalc.online Is
An online platform covering the five core disciplines of Malaysian civil engineering — tap a card to learn more.
Hydrology
MSMA / JPS HP
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Roads
JKR Specs
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Structures
MS EN Eurocode
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Sewerage
SPAN / MSIG
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Earthworks
JKR / General
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Free Access
Everything you need for quick preliminary checks — at no cost, no sign-up required.
Rational Method peak flow, IDF curves, basic pipe sizing per JPS HP1.
Minimum velocity (0.6 m/s), gradient, and cover checks per SPAN guidelines.
Pavement thickness and geometric checks to JKR specs.
Beam, slab, and column design per MS EN 1992.
Runs instantly in any modern browser, desktop or mobile.
Save and revisit recent calculations for quick checks.
Free vs Pro
Roadmap
We’re actively building. Here’s where we are and what’s next.
Built For You
Select your role to see how CivilCalc.online fits your workflow.
Use CivilCalc for quick verification checks before submitting to PBT, JPS, JKR, or SPAN. Run preliminary sizing on-site or in the office — then hand off to full analysis software.
Try a calculator →Standards & Authorities
Calculator outputs follow Malaysian design manuals and are generally acceptable for submissions to these authorities.
Who’s Behind CivilCalc.online
CivilCalc.online is built by Malaysian civil engineers with hands-on experience in infrastructure design, construction supervision, and engineering education. Our goal is to make standards-compliant calculations faster and more accessible for every engineer in Malaysia.
Disclaimer & Professional Responsibility
Engineering Aid Only
All results require verification and endorsement by a BEM-registered Professional Engineer with PEPC.
- Calculators implement simplified procedures from Malaysian manuals and do not replace full engineering analysis or professional judgement.
- Users must verify inputs, results, and compliance with applicable laws.
- Applicable legislation includes the Street, Drainage and Building Act 1974, Sewerage Services Act 1994, and UBBL 1984.
- Final designs require endorsement by a BEM-registered Professional Engineer holding a valid Practising Certificate (PEPC).