🌱 Gardening

Gardening

26 calculators

Compost Calculator Work out how much compost a garden needs and how long a pile takes to produce it.
Composting Ratio Calculator Balance greens and browns to hit the ideal carbon to nitrogen ratio for a compost pile.
Drip Irrigation Calculator Design a drip system: how many emitters, how much tubing and how long to run it.
Fertilizer Calculator Calculate how much fertilizer to apply to deliver a target amount of nitrogen, phosphorus or potassium.
Garden Bed Size Calculator Plan a garden bed for a household, sizing it to the vegetables and herbs you want to grow.
Garden Yield Calculator Estimate how much food a garden will produce and what it is worth.
Gardening Zone Finder Turn your coldest winter temperature into a USDA-style hardiness zone and planting calendar.
Greenhouse Size Calculator Size a greenhouse from the number of plants you want to grow and the bench space needed.
Irrigation Calculator Calculate the water a garden needs and how long to run an irrigation zone.
Lawn Area Calculator Calculate the area of a lawn and the mowing and watering it will need.
Lawn Fertilizer Calculator Calculate how much fertilizer a lawn needs to deliver a target amount of nitrogen.
Lawn Mowing Time Calculator Estimate how long it takes to mow a lawn and what it costs in fuel or battery.
Lawn Overseeding Calculator Calculate the seed rate for overseeding an existing lawn and the best timing.
Lawn Seed Calculator Calculate how much grass seed to sow for a new lawn or a repair.
Plant Spacing Calculator Work out how many plants fit in a bed at a given spacing, in rows or in a grid.
Plant Watering Calculator Calculate how much water a single plant or container needs per week.
Planting Date Calculator Work out when to sow indoors, transplant and expect a harvest from your frost dates.
Rain Barrel Size Calculator Calculate how much rainwater a roof can collect and what barrel size makes sense.
Raised Bed Soil Calculator Calculate how much soil a raised bed needs, and how much compost to blend in.
Seed Spacing Calculator Calculate seeding rates, thinning distances and how much seed a row needs.
Soil Volume Calculator Work out the volume and weight of soil needed to fill a container, bed or trench.
Sunlight Hours Calculator Calculate day length, sunrise and sunset for any latitude and date.
Tree Age Calculator Estimate the age of a tree from its trunk diameter and species growth rate.
Tree Planting Distance Calculator Find how far a tree should be planted from a house, wall, pipe or power line.
Tree Spacing Calculator Calculate how many trees fit in an area and the right spacing for the species.
Watering Schedule Calculator Build a watering schedule with the right volume, frequency and duration for your garden.