
Auto NPK Calculator
GrowaGardenCalculator.im
Grow-a-garden-calculator.net
GrowaGardenCalculator.online
NPM Stats
Topsoil Calc Online
Calculate exact urea, DAP & MOP doses for wheat, rice, maize and more. Free NPK fertilizer calculator with acre/kanal/marla/hectare support, crop guides and planting calendar.
JavaScript is a lightweight, interpreted programming language.

Website, pricing, platforms and company facts side by side.
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| Website | fertdose.com | appcreator24.com |
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As answered by people managing FertDose and JavaScript Tutorial.
FertDose's answer
It's the only free fertilizer calculator that combines source-verified NPK recommendations across 17 countries with a full interface in 19 languages — built for smallholder farmers, not just agronomists. No signup, no guesswork, every number traceable to an official source.
FertDose's answer
Most calculators use generic or single-country data. Ours uses verified recommendations from agricultural research institutes (AARI, PARC, NARC, CTIFL and more), shows honest nutrient ranges instead of rounded guesses, and is completely free with bonus tools like a tank-mix checker and deficiency identifier.
FertDose's answer
Smallholder and commercial farmers, agriculture students, agronomists, and home gardeners — especially in South Asia, Africa, and Latin America — who need exact, trustworthy fertilizer doses in their own language.
FertDose's answer
Next.js (React), TypeScript, PostgreSQL with Prisma, and next-intl for the 19-language interface. Deployed on Vercel.
FertDose's answer
It started as a simple dose calculator to help farmers stop relying on guesswork and dealer advice for fertilizer quantities. It grew country by country and language by language into a free global tool, rebuilt around one rule: never show a number that isn't backed by a verified source.
FertDose's answer
Individual farmers and home gardeners across 17 countries (it's a free tool — no enterprise clients, no paywall)
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Easily estimate how much topsoil you will need in cubic yards/feet, or bags for your landscaping project leveling lawn, garden bed or raided beds.
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