Pesticide Dilution Calculator

From a 1.5L spray bottle in the garden to a field tank — get pesticide, spreader, and liquid fertilizer dilution answers the moment you type. Works fully offline, so it's ready even in fields with no signal. ■ 3-way dilution math Dilution ratio × water → chemical amount Chemical + water → dilution ratio Chemical × ratio → water needed Decimals welcome: 1.5L at 1:1000 → exactly 1.5mL. mL/L switching, flexible input. ■ Tank presets 1.5L spray bottle, 4L pressure sprayer, 8L backpack, 15L power sprayer — one tap. ■ Quick reference table A ratio × water matrix you can share as an image — pin it in the shed or send it to family. ■ My chemicals & spray log Save the products and ratios you always use, recall them with one tap, and record spray dates and target crops. ■ Pro (one-time purchase — not a subscription) Drone spraying mode: exact math for high-concentration, low-volume application (1:8–1:32, under 1L per 10a), computed by the strict definition (total solution ÷ concentrate) Unlimited saved chemicals CSV export of your spray log Any ads added in the future stay hidden ■ For Farmers, home gardeners, rose and vegetable growers, orchardists, drone spray operators — and any general dilution work (paints, cleaning solutions). ※ Results are for reference. Always follow the usage instructions and dilution rates on the product label.