---
product_id: 320088998
title: "Weems & Plath Marine Navigation Nautical Slide Rule"
brand: "weems & plath"
price: "₨29986"
currency: LKR
in_stock: true
reviews_count: 5
category: "Weems & Plath"
url: https://www.desertcart.lk/products/320088998-weems-and-plath-marine-navigation-nautical-slide-rule
store_origin: LK
region: Sri Lanka
---

# Nautical & statute mile versatility Instant speed-time-distance calculations Durable metal build with lifetime warranty Weems & Plath Marine Navigation Nautical Slide Rule

**Brand:** weems & plath
**Price:** ₨29986
**Availability:** ✅ In Stock

## Summary

> ⚓ Master the waves with precision and confidence—no tech required!

## Quick Answers

- **What is this?** Weems & Plath Marine Navigation Nautical Slide Rule by weems & plath
- **How much does it cost?** ₨29986 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/320088998-weems-and-plath-marine-navigation-nautical-slide-rule)

## Best For

- weems & plath enthusiasts

## Why This Product

- Trusted weems & plath brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted by Experts:** Standard issue in the U.S. Navy—join the ranks of elite navigators mastering the seas.
- • **Navigate Like a Pro:** Solve complex speed, time, and distance problems instantly—no calculator needed.
- • **Dual-Scale Precision:** Effortlessly switch between nautical miles, statute miles, yards, knots, and mph for ultimate flexibility.
- • **User-Friendly Design:** Clear, easy-to-read layout ensures quick, error-free calculations even under pressure.
- • **Built to Last a Lifetime:** Crafted from robust metal and backed by a lifetime warranty—your trusted maritime companion.

## Overview

The Weems & Plath Marine Navigation Nautical Slide Rule is a precision analog calculator designed for immediate and accurate speed, time, and distance computations in both nautical and statute units. Featuring a durable metal construction, a user-friendly interface, and a lifetime warranty, it is trusted by professionals including the U.S. Navy. Ideal for boating enthusiasts and maritime professionals seeking reliable navigation without reliance on batteries or digital devices.

## Description

Gives immediate solution to all speed-time-distance problems. Equally applicable for nautical or statute miles. Speed in knots or m.p.h., time in hours, minutes, or seconds, and distance in nautical or statute miles (or yards if desired, and if speed is i

Review: A very accurate navigational tool and very handy for those not too quick at counting on your fingers! ;-) Slightly over sized for the application that I need, however don't let that put you off purchasing. Nice an robust.
Review: Consente immediatamente calcoli necessari alla navigazione.

## Features

- Offers a foolproof immediate solution to all common speed/time/distance problems
- Allows you to compute distance in yards if the speed is factored in knots.
- Easy to ready & operate
- LIfetime *
- Often referred to as a Time Speed Distance Calculator.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0000AYILW |
| Batteries Included? | No |
| Best Sellers Rank | #134,575 in Sporting Goods ( See Top 100 in Sporting Goods ) #10 in Boat Compasses |
| Customer Reviews | 4.6 4.6 out of 5 stars (192) |
| Date First Available | 7 August 2012 |
| Features | Lifetime Warranty, Standard in U.S. Navy |
| Global Trade Identification Number | 00721002001054 |
| Is Discontinued By Manufacturer | No |
| Item model number | 105 |
| Manufacturer | Weems & Plath |
| Map scale | 1:100,000 |
| Material Type | Metal |
| Mounting type | Tabletop Mount/Handheld |
| Product Dimensions | 18.42 x 18.42 x 0.1 cm; 141 g |
| Size | full size |
| Sport | Boating |
| UPC | 721002001054 |
| Weight | 3.3 Pounds |

## Product Details

- **Brand:** WEEMS & PLATH
- **Item weight:** 0.14 Kilograms
- **Material:** Metal
- **Product dimensions:** 18.4L x 18.4W centimeters
- **Special features:** Lifetime Warranty, Standard in U.S. Navy

## Images

![Weems & Plath Marine Navigation Nautical Slide Rule - Image 1](https://m.media-amazon.com/images/I/71YrSLKWplS.jpg)

## Questions & Answers

**Q: What’s it made of ?**
A: Plastic

**Q: What are the dimensions of this slide rule?**
A: Rule itself is 7 3/8" square. Slipcase measures 8 1/8" x 7 5/8"

**Q: How does this differ from the E6B Aviation caalculator?**
A: Our device is solely for time, speed & distance calculations usually in the marine environment. The e6b appears to have other functions for aviation, including altitude and off course corrections, airspeed & density, etc.

**Q: What is the lowest mph reading?**
A: The speed scale reads from 1 to 100 knots or MPH.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by P***L on 23 June 2022*

A very accurate navigational tool and very handy for those not too quick at counting on your fingers! ;-) Slightly over sized for the application that I need, however don't let that put you off purchasing. Nice an robust.

### ⭐⭐⭐⭐⭐ Review
*by A***I on 7 December 2025*

Consente immediatamente calcoli necessari alla navigazione.

### ⭐⭐⭐ Review
*by H***T on 24 December 2025*

Die Rechenscheibe erfüllt ihren Zweck ohne Probleme. Ob ich sie wirklich brauche? So schwer ist der Dreisatz ja eigentlich nicht. Wer aber nicht gerne rechnet, kann dies mit der Scheibe einfacher erledigen.

## Frequently Bought Together

- Weems & Plath Marine Navigation Nautical Slide Rule
- Weems & Plath #176 Marine Navigation Ultralight Divider
- Weems & Plath Marine Navigation Parallel Ruler (Aluminum Arms, 15-Inch)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-16*