Crane Capacity Calculator

Select crane specifications from lifting height, working radius, and load weight — free construction planning tool

Working Conditions

Load Weight (tons)

Working Radius (m)

Lifting Height (m)

Operations per Day

Safety factor: 75% of rated capacity used as effective capacity

Rated Capacity Table (Reference)

Crane	3m	5m	7m	10m	15m	20m	25m	30m
25t	25t	16t	10.5t	6.5t	3.2t	1.8t	-	-
50t	50t	32t	21t	13.5t	7.2t	4.5t	3t	-
70t	70t	45t	30t	19t	10.5t	6.5t	4.5t	3.2t
100t	100t	62t	42t	27t	15t	9.5t	6.5t	4.8t
150t	150t	90t	60t	40t	22t	14t	9.5t	7t
200t	200t	120t	80t	52t	30t	19t	13t	9.5t
300t	300t	180t	120t	78t	44t	28t	19t	14t
500t	500t	300t	200t	130t	74t	47t	32t	23t