Free Web Tool · ASTM C33

Aggregate Gradation

Sieve analysis: enter retained masses, get % passing on standard sieves, fineness modulus FM, and an ASTM C33 fine-aggregate envelope check.

Input

Results

Total mass
% passing 9.5 mm
% passing 4.75 mm
% passing 2.36 mm
% passing 1.18 mm
% passing 0.60 mm
% passing 0.30 mm
% passing 0.150 mm
% passing 0.075 mm
Fineness Modulus FM
Classification
ASTM C33 fine envelope
Method

Cumulative % retained at each sieve / 100 = sum used in FM. FM = Σ (cum % retained on 9.5, 4.75, 2.36, 1.18, 0.60, 0.30, 0.15) / 100. Fine aggregate FM range 2.3–3.1. ASTM C33 fine envelope (% passing): 9.5: 100; 4.75: 95–100; 2.36: 80–100; 1.18: 50–85; 0.60: 25–60; 0.30: 5–30; 0.15: 0–10.