GIS vector tile payload budget calculator

Calculate payload bytes per tile by zoom class and total estimated transferred bytes with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use payload bytes per tile by zoom class and total estimated transferred bytes to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Zoom classes [feature count,measured bytes per feature,tile count]
[[100,30,10],[500,25,20]]
Requests per tile during reporting period
5
Payload bytes per tile by zoom class
[3000,12500]
Total estimated transferred bytes
1400000

Try another scenario

Zoom classes [feature count,measured bytes per feature,tile count]
[[100,30,10],[500,25,20]]
Requests per tile during reporting period
10
Payload bytes per tile by zoom class
[3000,12500]
Total estimated transferred bytes
2800000
Calculation method

Calculation method

Payload bytes per tile by zoom class

Feature count × measured bytes/feature.

Total estimated transferred bytes

Sum payload×tile count×requests.

Symbols and units
a
Zoom classes [feature count,measured bytes per feature,tile count]
b
Requests per tile during reporting period

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Feature counts, measured bytes, zoom classes. Returns Approximate payloads and transfer demand. All coefficients and observations are user supplied; results describe only the stated mathematical model. Quantities are deterministic calculations from supplied observations and assumptions; no external data is fetched. Supported limits: Finite inputs only; numeric fields bounded as labelled. Lists and JSON records are limited to 256 entries unless a stricter tool bound is stated. No automatic design approval, legal conclusion, treatment recommendation or safety certification. Requests per tile during reporting period: minimum 1e-12, maximum 1000000000000.0.
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