One site. Every calculation.
Calculate it.
Get it done.
Free practical calculators for construction, logistics and the everyday decisions that come next.
Construction
Gravel · volume, weight & cost
Concrete · mix, bags & cost
Volume · m³, ft³ & yd³
Logistics
CBM · mixed shipment volume
Dimensional weight · chargeable kg
Container · mixed load plan
06 / Calculators
Practical tools. Clear answers.
Start with construction and logistics. Use metric or imperial units and get transparent results without opening another spreadsheet.
Construction
Gravel Calculator
Volume, weight & costConstruction
Concrete Calculator
Slabs, bags & costConstruction
Volume Calculator
Cubic meters, feet & yardsLogistics
CBM Calculator
Shipment volumeLogistics
Dimensional Weight
Air & parcel freightLogistics
Mixed Container Load Calculator
Mixed boxes, pallets & long cargo06 / Guides
Learn the method, not just the number.
Original guides with formulas, worked examples, checks and primary references for better purchasing and freight decisions.
Dimensional weight: formula, divisors and chargeable weight
A practical guide to DIM weight for parcels and air freight, with worked examples and carrier checks.
Read guide →02LogisticsHow to calculate CBM for mixed shipments
Calculate cubic meters, freight tons and shipment density when cartons have different dimensions.
Read guide →03LogisticsContainer loading with mixed boxes, pallets and pipes
Plan mixed cargo while checking internal dimensions, orientation, payload and operational constraints.
Read guide →04ConstructionHow much concrete to order for a slab
Measure a slab, add a defensible allowance and compare ready-mix with bagged concrete.
Read guide →05ConstructionGravel volume, weight and truckload guide
Estimate compacted volume, convert with supplier density and plan practical delivery quantities.
Read guide →06ConstructionCubic meters, feet, yards and liters explained
Understand cubic units, calculate common shapes and avoid length-versus-volume conversion mistakes.
Read guide →