Procurement calculators.
Check physical packing, available stock and supplied coverage before placing an order. Fit and quantity do not establish safe handling limits.
Choose a work subcategory
Stock Cut List Calculator
Group required straight cuts into available equal-length stock, allowing for kerf and end trimming.
Open calculatorProcurementSheet Cut Yield Calculator
Find a grid cutting yield for equal rectangular pieces, including saw kerf.
Open calculatorProcurementMass to Bulk Volume Calculator
Convert a supplier’s material mass into bulk volume using the matching density.
Open calculatorProcurementMoisture Mass Adjustment Calculator
Separate water mass from dry material using a supplied dry-basis moisture percentage.
Open calculatorProcurementMaterial Order Shortfall Calculator
Calculate whole packs still needed after allowing for usable stock on hand.
Open calculatorProcurementPurchased Coverage Check Calculator
Check whether the packs already purchased cover the required net area.
Open calculatorProcurementWound Strip Length Calculator
Estimate strip length wound around a core using measured diameters and strip thickness.
Open calculatorProcurementOverlapped Panel Coverage Calculator
Calculate the finished width covered by a known number of overlapping panels.
Open calculatorProcurementPallet Packing Calculator
Count positions for material cartons in uniform pallet layers.
Open calculatorProcurementBox Packing Capacity Calculator
Compare uniform orientations of equal material cartons inside a rectangular storage space.
Open calculatorProcurementShipping Carton Count Calculator
Count separate cartons for several material products using supplied packing capacities.
Open calculatorProcurementSupplier Minimum Order Calculator
Check quoted minimum-order value after rounding an existing quantity to whole packs.
Open calculatorProcurementReturnable Packaging Deposit Calculator
Separate merchandise cost, refundable deposits and expected refunds for supplied return quantities.
Open calculatorProcurementPhased Material Pack Order Calculator
Compare buying packs for separate work phases with pooling identical material for the whole project.
Open calculatorProcurementMaterial Basket Quote Calculator
Compare total quotes for a basket with individual item quantities and one delivery fee per supplier.
Open calculatorProcurementMixed Rectangle Sheet Layout Calculator
Build a feasible rectangular cut allocation for different rectangular panels, respecting your rotation choice and cutting gap.
Open calculatorProcurementDelivered Quantity Reconciliation Calculator
Compare supplied ordered, invoiced and measured delivered quantities on the same basis.
Open calculatorProcurementSupplied Inventory Reorder Projection Calculator
Calculate lead-time consumption and a trigger quantity from your chosen demand rate, lead time and reserve.
Open calculatorProcurementSupplied Working Day Lead Time Calculator
Translate an entered lead time into elapsed calendar days using your chosen working weekdays and blackout offsets.
Open calculatorProcurementLayered Material Mass Calculator
Total the material mass and height of a specified stack using each layer’s actual thickness, density and repeated count.
Open calculatorProcurementMeasured Blend Density Reconciliation Calculator
Reconcile known component volumes and densities with a separately measured final blend volume.
Open calculatorProcurementMeasured Bulk Density Calculator
Derive a sample density while separating container tare from material mass.
Open calculatorProcurementTwo Stock Length Cut Plan Calculator
Construct a cut allocation when two purchasable lengths have different prices.
Open calculatorProcurementStock Expiry Allocation Calculator
Exclude out-of-date batches before assigning compatible stock to a planned phase.
Open calculatorProcurementMaterial Stock Movement Ledger Calculator
Reconcile ordered stock receipts and usage rather than checking only a final total.
Open calculatorProcurementMixed Component Kit Purchase Calculator
Find which component limits a purchase of kits containing different item ratios.
Open calculatorProcurementBulk Haul Trips by Volume and Mass Calculator
Apply both user-supplied carrier capacity limits to one loose material order and show which arithmetic limit controls trips.
Open calculatorProcurementWheelbarrow Trip Cycle Time Calculator
Round whole material trips and budget time from your measured route and entered loading, travel and unloading estimates.
Open calculatorProcurementSeparated Debris Stream Container Calculator
Keep distinct debris streams separately contained and apply each carrier-supplied volume and mass limit.
Open calculatorConnect these calculations
Measure and check your purchase assumptions
How to measure and order: material delivery and handling
Which measurements and product data prevent quantity mistakes for this job?
Read guideguideVolume-limited versus mass-limited deliveries: quantity checks
A trip must satisfy both supplied limits; selecting the smaller number of trips can understate the order.
Read guideguideCheck tare and packing basis in a bulk density sample
Does the density sample represent the same material state as the order?
Read guideguideA reproducible two-stock cut plan can still cost more than another plan
Does choosing the cheapest feasible new stock prove the cheapest full order?
Read guidetroubleshootingFilter a batch’s stated use date before counting stock as available
Can the full stock total cover a phase if some batches are not eligible on its use date?
Read guidetroubleshootingA positive closing stock balance can hide an earlier shortage
Was enough stock present at every point in the work sequence?
Read guideguideLet the limiting component determine whole kit purchases
Can enough of one component still leave a kit-based order short of another?
Read guideguideRead US short tons and metric tonnes as different mass units
Can the word ton be copied directly from one supplier quote to another?
Read guidecomparisonA box volume ratio does not prove cartons fit a storage space
Can all three carton dimensions be placed within the supplied internal space?
Read guideguideTreat pallet layers as a supplied constraint rather than a derived safety limit
Does a geometric carton footprint determine how many layers may be stacked?
Read guidecomparisonSeparate a minimum spend from a minimum number of material packs
Does a supplier’s minimum value mean every ordered item needs more packs?
Read guidecomparisonTreat net panel area as a lower bound, not a sheet layout
Why can a feasible mixed-panel allocation use more sheets than total area suggests?
Read guideguideReconcile order, invoice and measured delivery on one basis
What must be normalised before comparing an invoice with a measured delivery?
Read guideguideSeparate quoted lead-time use from a selected stock reserve
Which part of a reorder trigger is calculated and which part is your assumption?
Read guidetroubleshootingState whether the starting day is included in lead time
Why can two working days after Friday become five calendar days?
Read guideguideCalculate each specified layer mass before summing the stack
Why can equal layer thicknesses contribute different material mass?
Read guideguideUse measured final blend volume rather than an additive assumption
Why can averaging component densities miss the measured blend density?
Read guideguideWhen to pool packs across work phases
Should you round each work phase separately or combine an order?
Read guideguideApply a material allowance once
Where should an allowance enter a purchase estimate?
Read guideguideSeparate supplier minimum value from quantity need
Why may a minimum-order value add packs after quantity rounding?
Read guideguideSeparate refundable deposits from net purchase cost
Why does upfront payment differ from cost after expected returns?
Read guideguideCompare complete supplier baskets
Why can the cheapest quote on each item fail to give the cheapest delivered basket?
Read guide