Garden Area Calculator
Square footage of a rectangle, triangle, circle or oval bed, plus the soil, mulch and plant counts that follow.
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Build a landscaping bid from crew hours, materials, equipment and job-type overhead, then compare markup price against a true margin price.
Chlorova · updated for 2026
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Click “Calculate” to see your results.
This is a cost-buildup tool, not financial or legal advice, and it assumes you are pricing a single job rather than a portfolio. Overhead percentages by job type are typical starting ranges, and your own annualised figures are the ones to use once you have a year of real cost data. Tax, permits, bonding, and any subcontractor insurance requirement are not included in the totals shown. Put every bid in writing with a scope, a change-order clause, a watering or guarantee term and a payment schedule, and check local licensing rules before contract work of any size.
A landscaping quote fails in two directions: too low and you work for someone else's profit, too high and you lose the job to someone who guessed better. Both come from the same omission, which is that materials and labour are not the cost. Insurance, transport, layout mistakes, a wet week and your own overhead all sit behind the number. This calculator builds the job up from hours, materials and kit, applies an overhead rate by job type, then shows the price at a markup and the higher price at a true margin.
Hours times the loaded rate gives labour cost, and adding materials and equipment gives direct cost. An overhead percentage, set here by job type, covers insurance, transport, estimating time and rework, and it applies to direct cost rather than to labour alone, because idle kit still costs money. The total is what the job genuinely costs you, and everything above that line is profit or loss.
The two prices then differ by their arithmetic. A markup multiplies cost by one plus the percentage, so a 20 per cent markup on 3,278 dollars gives 3,933. A margin divides cost by one minus the percentage, giving 4,097, because 20 per cent of a sale price is a larger sum than 20 per cent of a cost. On a real job that gap pays for the wet week, and the true cost per hour worked line shows the rate you must beat to stay ahead.
Overhead percentages used by the selector, covering insurance, transport, estimating and rework risk. Your own annualised numbers outrank this table completely.
| Job type | Overhead | Why | Watch |
|---|---|---|---|
| Planting bed | 15% | Moderate rework | Plant loss clauses |
| Lawn renovation | 12% | Repetitive, low risk | Soil delivery timing |
| Patio and hardscape | 20% | Base work and rework | Subgrade and drainage |
| Fence and railing | 18% | Utility strikes | Permit and layout |
| Drainage and grading | 22% | High machinery cost | Hire days running over |
| Tree work | 25% | Insurance and risk | Rigging and access |
| Seasonal maintenance | 10% | Low setup | Travel between sites |
| Design and consult | 8% | Nearly all labour | Unbilled revision time |
Use it when a client asks for a number before you have priced the job, when a maintenance season is quoted as one lump sum, when a hardscape quote competes with a planting quote, and when you suspect your usual markup has quietly become your whole profit. Pair it with the garden area calculator to measure the space, the patio paver and retaining wall tools for material take-offs, and the mulch weight and cost tool for the bulk delivery line.
Markup is a percentage of cost, while margin is a percentage of the price you charge. Twenty per cent markup on a 3,278 dollar job gives 3,933, and a 20 per cent margin gives 4,097. Charging the smaller number means your real margin was about 17 per cent rather than 20.
Ten to fifteen per cent is common for planting and maintenance, and twenty-five or more for tree work, where insurance and risk are heavy. Annualise your real costs, divide by billable revenue, and use that figure instead of a rule of thumb.
No, and it should sit outside the quoted price on the invoice in most places. Materials are usually taxable while labour often is not, and the rules vary by state. Add a line stating that tax is excluded so nobody reads your figure as the final cheque.
Break it into tasks you can measure in hours, then add a risk allowance of ten to twenty per cent on the labour line only. Ask a crew that does that work regularly what the hours should be, since their estimate beats your guess about someone else's trade.
Per job protects you on complex ground, while per square foot wins on repetitive work where clients comparison shop. Compute the job price first, then divide by area so you can quote either way and still know what each square foot costs you.
A deposit sized to cover the cash you front, staged progress payments on longer work, and a final balance before any plant guarantee period starts. Fronted cash is the number that hurts, so never finance a client's materials from your own working capital.
Chlorova Gardening Team
Builds, checks and documents every tool we publish
Chlorova editorial review
Checked against extension-service publications
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