Calculate plant growth rate, height increase, average daily growth, weekly growth, percent growth, projected plant size, days to target height, biomass gain, and estimated yield. Use this plant growth calculator for gardens, houseplants, seedlings, trees, crops, and plant experiments.
Growth rate from measurements:
The calculator subtracts starting height from ending height, then divides by the number of days in the growth period.
Projected future size:
The calculator uses the daily growth rate and future period to estimate the plant’s future size.
Days to target size:
Enter a target height or size and the calculator estimates how many days it may take to reach that target.
Biomass or yield growth:
The calculator estimates biomass gain per plant, total gain across plants, and expected healthy plant yield.
A plant growth calculator helps track plant progress and estimate future size, growth rate, and yield from simple measurements.
It can be useful for seedlings, vegetables, flowers, houseplants, tree saplings, school experiments, garden tracking, greenhouse planning, and crop observation.
Your result shows total height increase, daily growth rate, weekly growth rate, monthly growth rate, percent growth, projected future size, days to target height, biomass gain, estimated healthy plants, and total yield gain. These are estimates based on the measurements and growth conditions you enter.
Subtract the starting plant height from the current height, then divide by the number of days in the growth period.
Percent plant growth compares the height or size increase to the starting size. It shows how much the plant grew relative to where it started.
Yes, but it is only an estimate. The calculator assumes the same growth rate continues, which may not happen if conditions change.
Plants may grow faster or slower depending on light, water, soil, nutrients, temperature, crowding, pests, disease, and plant maturity.