Contractor calculators

Quick math for pricing and planning a job. Everything runs in your browser — nothing is saved or sent anywhere.

Deposit & payment schedule

Split a job into a deposit and equal milestone payments.

Total price ($)

Deposit (%)

Remaining payments

Deposit$2,500.00

Balance after deposit$7,500.00

Each of 2 payments$3,750.00

Markup ↔ margin

Markup is on cost; margin is on price. They are not the same number.

Cost ($)

Markup (%)

Price to charge$1,400.00

Profit$400.00

That's a margin of28.6%

Job estimate

Materials + labor + overhead/markup into a bid price.

Materials ($)

Markup/overhead (%)

Labor hours

Hourly rate ($)

Labor cost$2,600.00

Subtotal (materials + labor)$5,100.00

Bid price$6,120.00

Profit over cost$1,020.00

Area & material (with waste)

Square footage plus a waste factor — for flooring, roofing, paint, etc.

Length (ft)

Width (ft)

Waste (%)

Price / sq ft ($)

Area300.0 sq ft

Order with waste330.0 sq ft

Material cost$1,485.00

Sales tax total

Default rate is Connecticut's 6.35%. Whether your work is taxable varies — check the rules.

Subtotal ($)

Tax rate (%)

Sales tax$317.50

Total$5,317.50

These calculators are informational tools, not tax or legal advice. Verify rates and rules for your situation.