What are the dimensions of this slide rule?

Rule itself is 7 3/8" square. Slipcase measures 8 1/8" x 7 5/8"

How does this differ from the E6B Aviation caalculator?

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.

What is the lowest mph reading?

The speed scale reads from 1 to 100 knots or MPH.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Weems & Plath Marine Navigation Nautical Slide Rule

Product ID: 320088998

Details

Brand
WEEMS & PLATH
Item weight
0.14 Kilograms
Material
Metal
Product dimensions
18.4L x 18.4W
Special features
Lifetime in

⚓Nautical & statute mile versatility

⏱️Instant speed/time/distance calculations

🛡️Lifetime warranty, Navy standard durability

R$823

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

Description

⚓ Navigate smarter, not harder — your ultimate marine math sidekick!

DUAL SCALE PRECISION - Seamlessly switch between nautical knots and statute miles for ultimate flexibility
TRUSTED BY THE U S NAVY - Professional-grade reliability that commands respect on the water
COMPACT DURABLE METAL BUILD - Lightweight yet rugged design built to last a lifetime on any voyage
MASTER SPEED TIME DISTANCE INSTANTLY - Solve complex navigation math in seconds without a calculator
EFFORTLESS OPERATION FOR ALL SKILL LEVELS - No advanced math needed—perfect for pros and casual sailors alike

The Weems & Plath Marine Navigation Nautical Slide Rule is a precision metal calculator designed for immediate and foolproof speed, time, and distance computations in both nautical and statute units. Compact and lightweight, it features a lifetime warranty and is a trusted standard in the U.S. Navy, making it an essential tool for professional and recreational mariners seeking reliable navigation support.

Specifications

ASIN	B0000AYILW
Additional Features	Lifetime Warranty, Standard in U.S. Navy
Best Sellers Rank	#161,365 in Sporting Goods ( See Top 100 in Sporting Goods ) #19 in Boat Compasses
Brand	WEEMS & PLATH
Brand Name	WEEMS & PLATH
Customer Reviews	4.7 out of 5 stars 179 Reviews
Global Trade Identification Number	00721002001054
Item Dimensions L x W	18.4L x 18.4W centimeters
Item Weight	0.14 Kilograms
Item weight	0.14 Kilograms
Manufacturer	Weems & Plath
Manufacturer Part Number	105
Map Scale	1:100,000
Map scale	1:100,000
Material	Metal
Material Type	Metal
Model Number	105
Mounting Type	Tabletop Mount/Handheld
Number of Items	1
Product dimensions	18.4L x 18.4W centimeters
Special features	Lifetime Warranty, Standard in U.S. Navy
UPC	721002001054

Reviews

A**I

Ottimo regolo nautico

Consente immediatamente calcoli necessari alla navigazione.

7.12.2025

H**T

Rechenschieber für die Weg-/Zeit-Berechnung

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.

24.12.2025

D**N

Excellent

Calculs rapidement fait sans être dépendant d'une pile ou batterie.

30.03.2021

S**G

Magic calculator for navigation ..

Does what it says in the blurb .. I bought a "straight" one too .. prefer this.

24.02.2020

A**R

Five Stars

Good value

20.01.2017

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

R$823

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

View all Trustpilot reviews