Subdivision Lot Split Area Calculator

Calculate the area and perimeter of a parcel being split into lots, checking each resulting lot against minimum size and frontage rules.

Typical Min Lot
5,000 sqft
Suburban
Min Frontage
50 ft
Suburban
Acre
43,560 sqft
Standard

Formula & Statutory Rule

Formula
lot_area = total_area / lot_count; perimeter = 2 × (width + length)
Statutory Rule
min_lot = 5,000 sqft; min_frontage = 50 ft; acre = 43,560 sqft

Regional Benchmark Reference

US subdivision minimums
Jurisdiction / TierRate or LimitStatutory Note
Min lot5,000 sqftSuburban
Min frontage50 ftSuburban
Acre43,560 sqftStandard

Frequently Asked Questions

What is the minimum lot size?

It varies by zoning; suburban single-family lots commonly require 5,000 to 10,000 square feet.

What frontage is required?

Most suburban zones require at least 50 feet of street frontage per lot.

How do I split a parcel?

Divide the total area by the number of lots, then confirm each lot meets the minimum size and frontage.

Does a lot split need approval?

Yes. A subdivision or lot-split application is usually required, with survey and planning review.

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