MAXScanner calculator widget

Label Roll Calculator — Labels Per Roll, Remaining & Diameter

Editable live calculator

Change any input — the result updates immediately

No hidden assumptions. Inputs, units and the working stay visible so you can check the calculation.

Diameter / label unit Caliper unit Full roll outer diameter Core outside diameter Total wound caliper Label length in feed direction Gap between labels Labels across web Whole number of side-by-side lanes.Process waste (%) Explicit setup/splice allowance; 0 means none.Current OD (optional) 0 disables remaining-label estimate.Target label count (optional) 0 disables reverse OD sizing.Verified full-roll label count Optional diagnostic calibration; 0 disables it.

Calculated result

1,688 usable labels / roll

173.93 m theoretical web length · 103 mm pitch

1,688 theoretical labels before 0% entered waste

Enter current OD to estimate labels remaining

Enter a target label count to reverse-solve required OD

Enter a verified full-roll count to back-solve effective wound caliper

Show the working

1. Normalize: OD 203 mm, core 76 mm, wound caliper 0.16 mm.
2. Web length = π × (203² − 76²) ÷ (4 × 0.16) = 173,931.33 mm.
3. Pitch = label 100 + gap 3 = 103 mm; floor(173,931.33 ÷ 103) × 1 lane(s) = 1,688 labels.
4. Usable labels = floor(1,688 × (1 − 0%)) = 1,688.

Geometric planning estimate. Caliper must include every wound layer (facestock, adhesive, liner and laminate where applicable). Count calibration is diagnostic only and does not silently replace the nominal primary model. Winding tension, compression, splices, leader/trailer stock and printer-specific media limits can change actual yield.

More actions

Shared links reopen these inputs. Recent and saved calculations stay in this browser unless you clear site data.