Work · alternatives · 2026
24 alternatives to Nautical Calculator
Solve many of the marine navigation equations & conversions
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Nautical Calculator launched in 2021; newer entries below may have overtaken it.
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2020 · 8bitbyte.ca · its alternatives →
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Trigonometric and Inverse trigonometric functions calculator
2024 · visualtrigonometry.com · its alternatives →
- 3
A free-form calculator for Chrome
2022 · chromewebstore.google.com · its alternatives →
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Timekeeping companion, stay in sync with date & time
2023 · play.google.com · its alternatives →
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Hello HN, I live in northern part of USA where winters are snowy. Whenever I took long trips, I always wondered what the weather along the route is going to be. For those who live in northern USA, you know weather can change frequently, so when you're traveling matters a lot, not just the route. To solve this problem for myself, I built https://navimodo.com/. NaviModo calculates the route, and then checks weather along the route based on your start time, and displays weather along the route. Change start time, and the whole thing is recalculated. I am not expecting any…
Apr 2026 · navimodo.com · its alternatives →
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Trigonometry.top – Formulas/Calculator/AI, All Free
2025 · trigonometry.top · its alternatives →
- 8IB
I built this because measuring my age in years felt boring—I wanted to see the kilometers. The first version only used Earth's orbital speed (~30km/s), but the number moved too slowly. To get the "existential dread" feeling, I switched to using the Milky Way's velocity relative to the CMB (~600km/s). The math takes some liberties (using scalar sum instead of vector) to make the speed feel "fast," but it gets the point across. Under the hood, it's a single HTML file with zero dependencies. No React, no build step. The main challenge was the canvas starfield—I had to pre-allocate the…
Jan 2026 · cosmic-odometer.vercel.app · its alternatives →
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CalcVerter▲17Calculator & Converter & large selection of tools & features
2025 · apps.apple.com · its alternatives →
- 10
Voyage Planner is a tool for sea route distance calculation
2016 · marinetraffic.com · its alternatives →
- 11
Free online scientific calculator for math & more
2025 · scientificcalculatoronline.io · its alternatives →
- 12
Practice navigation rules like a pro and track your progress
2025 · sailandsignal.com · its alternatives →
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Convert what your heart desires
2025 · dasali-jenario.github.io · its alternatives →
- 15
Solve trigonometry easily with the Trigonometric Calculator.
Apr 2026 · geteasetools.com · its alternatives →
- 16
Free online scientific calculator from GeoGebra
2021 · king555slot.net · its alternatives →
- 17
Offline maritime calculators for ship operations
Jun 2026 · captaincalc.com.tr · its alternatives →
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Day Skipper theory practice, one round at a time
May 2026 · skipperstudy.com · its alternatives →
- 21
A collection of useful calculators for various purposes
2025 · calculation-hub.com · its alternatives →
- 22
Get your exact GPS location & geographic data
Nov 2025 · findmycoordinates.com · its alternatives →
- 23
Simple, Fast, and Reliable
Jun 2026 · scientificnotationcalculator.info · its alternatives →
- 24
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →