Civil engineering laboratory calculators

Record observations, inspect individual calculations and download a worksheet. Methods cover cement, aggregates and soil. Calculation and reporting rules audited against the recorded sources; physical test execution remains the operator’s responsibility.

• Cement fineness — 90 µm sieve — IS 4031 (Part 1):1996
• Cement mortar compressive strength — IS 4031 (Part 6):1988
• Coarse aggregate water absorption — IS 2386 (Part 3):1963
• Aggregate bulk density — IS 2386 (Part 3):1963
• Aggregate void content — dry material — IS 2386 (Part 3):1963
• Aggregate flakiness index — mass weighted — IS 2386 (Part 1):1963
• Aggregate elongation index — 25–6.3 mm — IS 2386 (Part 1):1963
• Aggregate crushing value — IS 2386 (Part 4):1963
• Aggregate impact value — IS 2386 (Part 4):1963
• Los Angeles abrasion loss — IS 2386 (Part 4):1963
• Soil moisture content — oven drying — IS 2720 (Part 2):1973
• Sand bulking — height method — IS 2386 (Part 3):1963
• Sand bulking — 200 mL cylinder — IS 2386 (Part 3):1963

These worksheets do not certify sampling, apparatus, test procedure or compliance. More disciplines will be added through reviewed increments.

Interactive calculators require JavaScript and the calculation service.