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Engineering Calculator · 100

Cable Entry Drainage Slope Calculator

Convert vertical drop and horizontal run into slope percentage, angle and gradient ratio for routing review.

Installation planning
Start calculationReview the method

Live calculation

Enter the known values.

Units remain visible beside every field and result. Change any input to recalculate immediately in your browser.

01

Inputs

02

Results

Slope4%
Slope angle2.29°
Run-to-drop ratio25:1

Formula
Sdrain=ΔhLr 100%S_{\mathrm{drain}}=\frac{\Delta h}{L_r}\,100\%

The calculation runs locally in this browser. Values are not submitted or stored by this tool.

Direct answer

What this result means

Convert vertical drop and horizontal run into slope percentage, angle and gradient ratio for routing review. The relationship Slope% = drop / run × 100% ties vertical drop and horizontal run directly to the reported result. Drop and run describe a straight planar grade. Treat the value as a transparent preliminary calculation, then compare it with the actual cable-entry assembly and current product documentation.

Cable Entry Drainage Slope Calculator engineering relationship diagramSlope% = drop / run × 100% defines the calculation shown here. Drop and run describe a straight planar grade. Keep the entered units with the result so another reviewer can reproduce the method. This dedicated schematic represents drainage slope and is not to scale.DRAINAGE ANGLE · TOOL 100Vertical dropSlope
Calculator-specific engineering relationship diagram — schematic, not a product drawing, and not to scale.

Formula & theory

Make the assumptions visible.

Slope% = drop / run × 100% defines the calculation shown here. Drop and run describe a straight planar grade. Keep the entered units with the result so another reviewer can reproduce the method.

Calculation relationship
Sdrain=ΔhLr 100%S_{\mathrm{drain}}=\frac{\Delta h}{L_r}\,100\%

Slope% = drop / run × 100% defines the calculation shown here. Drop and run describe a straight planar grade. Keep the entered units with the result so another reviewer can reproduce the method.

Variables

runHorizontal runmm
SlopeSlope%
θSlope angle°

Use sequence

From measurement to review

  1. Confirm vertical drop and horizontal run from a controlled drawing, measurement or project document.
  2. Apply Slope% = drop / run × 100% with consistent units and keep the entered values beside the result.
  3. Use slope only after checking route direction, low points, drip loops, enclosure drainage design and installation practice.

Limits

What this calculation does not confirm

  • Drop and run describe a straight planar grade.
  • Inputs describe one defined operating or measurement condition and use mutually consistent units.
  • The result does not by itself confirm product suitability, standards compliance, ingress performance or installation approval.

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Calculator FAQ

Use the number without losing the engineering context.

These answers clarify what the tool calculates and where a product-specific review still begins.

01Calculator guidanceHow does the cable entry drainage slope calculator calculate slope?

The tool applies Slope% = drop / run × 100% to vertical drop, horizontal run. Drop and run describe a straight planar grade. Keep the displayed units with the result so the calculation can be repeated.

02Calculator guidanceWhat does slope show for this drainage angle review?

Convert vertical drop and horizontal run into slope percentage, angle and gradient ratio for routing review. It is a preliminary engineering value, not confirmation of a cable-gland model, standards compliance or installation approval.

03Calculator guidanceWhat should be checked about route direction before using the cable entry drainage slope calculator result?

The equation does not model route direction, low points, drip loops, enclosure drainage design and installation practice. Confirm those conditions against the actual cable-entry assembly, applicable requirement and current product documentation.

Product selection support

Connect the calculation with cable-entry product options.

Bepto Cable Glands can help relate a preliminary result to the product family and current model information for your application. You can start with the details you have; a complete drawing package is not needed to ask a question.

Request product support