Gates & security

Main Gate Design And Weight Calculator

A main gate is usually the single most expensive piece of metalwork on a house, and it is also the one most often ordered on the basis of a photograph and a handshake. Two fabricators can quote wildly different prices for what looks like the same gate, because one is using 2 mm square tube and 1.5 mm sheet while the other is using lighter material that will flex in five years.

Free, no sign-up
Runs in your browser
Built for Islamabad & Rawalpindi

This free calculator runs in your browser and needs JavaScript. If it does not load, call or WhatsApp us on +92 304 2435577 and we will do the calculation for you.

This tool lets you describe the gate you want in terms that can be priced: opening size, leaf arrangement, frame section and gauge, and what fills the panel. It draws the gate to scale, works out the theoretical steel in it, and costs that steel at the rate you have actually been quoted. The weight figure is the one worth arguing about, because the steel is most of the gate.

What This Tool Does

It produces a scale elevation of your gate, a member-by-member steel weight with a plus or minus ten per cent range, and an itemised estimate built from your own steel rate plus whatever you enter for hinges, paint and labour. Switching the infill from full sheet to vertical bars, or the frame from 38 mm to 50 mm, shows you immediately what that choice costs.

Who It Is For

Homeowners ordering a gate who want to understand what they are paying for before three fabricators quote.
People comparing quotes who suspect the cheapest one is using thinner steel.
Fabricators and welders who want a fast material takeoff and a drawing to show the customer.
Builders and contractors budgeting gates across more than one property.

How To Use It

Measure the gate opening between the pillars, at the top and at the bottom, and use the smaller width. Measure the height you want the gate to be, not the height of the pillar.
Choose single leaf, double leaf or sliding. Double is the usual arrangement for a car entrance in Pakistan.
Pick the frame section and its wall thickness. This is the choice that most affects both strength and price.
Choose the infill: full steel sheet, sheet on the lower half with bars above, vertical bars, or round pipes.
If you chose a design with bars, set the bar spacing. If you chose sheet, pick the sheet thickness.
Enter the steel rate you have been quoted per kilogram, and add hinges, paint and labour figures if you have them.
Press the button to draw the gate and read the weight and estimate.

Inputs And Units Explained

Gate opening width — the clear distance between the pillars. On a double gate the tool splits this into two equal leaves.
Gate height — how tall the gate itself will be. Common house gates run between six and eight feet.
Frame section and wall thickness — the square tube that makes the leaf frame. A 50 mm section in 2 mm steel is a typical choice for a double house gate; 75 mm suits very wide or heavy gates.
Infill design — what fills the frame. Sheet gives privacy and weight, bars give visibility and cost less steel.
Sheet thickness — for solid gates. 1.5 mm is the common middle choice. Thinner sheet dents, thicker sheet adds real weight and cost.
Bar spacing — for open designs, the clear gap between bars.
Steel rate, hinges, paint and labour — all optional and all yours. The tool invents none of them.
Wastage allowance — a percentage added to the material to cover offcuts. Five per cent is a reasonable starting point for a gate.

How The Calculation Works

The gate is treated as a standard layout: the perimeter of each leaf, one middle rail, and one brace per leaf, in the frame section you chose. A sliding gate adds bottom track length at roughly one and a half times the opening. Each member length is multiplied by the weight per metre of that section, using a cold-formed square tube area and a steel density of 7,850 kg per cubic metre.

Sheet infill is calculated as area times the sheet weight per square metre, which is thickness in millimetres times 7.85. So 1.5 mm sheet weighs 11.8 kg per square metre. Bar infill counts the bars needed at your spacing and multiplies by the bar weight per metre. The result is shown as a single figure and as a range of plus or minus ten per cent, because your fabricator’s member layout will not be identical to the standard one assumed here.

Cost is simply the steel weight plus your wastage percentage, multiplied by your rate, with your hinge, paint and labour figures added on top. Nothing else is inferred.

Worked Example

A double gate for a house in Bahria Town: a 12 foot opening, 6 feet high, 50 mm square tube frame in 2 mm gauge, filled with 1.5 mm steel sheet.

Input or result	Value
Opening and height	12 ft × 6 ft (3,658 × 1,829 mm)
Arrangement	Double leaf, each leaf 6 ft wide
Frame	50 × 50 × 2 mm square tube, about 29 m in total
Frame steel	about 84 kg
Sheet	1.5 mm, about 6.0 m² after frame deductions
Sheet steel	about 71 kg
Total theoretical steel	about 155 kg, range 139 to 170 kg

At whatever rate the owner has been quoted per kilogram, that 155 kg is the material core of the gate. Adding the hinge set, primer and paint, and the fabricator’s labour gives the estimate. If a quote comes in far below the steel cost alone, something in the specification is lighter than described.

Features And Benefits

A scale drawing of the gate you are describing, so everyone is discussing the same thing.
Steel weight shown as a range, which is honest about how much member layouts vary.
Immediate comparison of design choices: sheet against bars, 38 mm against 50 mm frame.
An itemised estimate that separates material from hinges, paint and labour, so you can see what is driving the price.
CSV and print output you can take to the workshop.

Assumptions And Accuracy Limits

The member list assumes a conventional layout. A fabricator who adds more rails or a heavier bottom member will use more steel, and the range shown allows for that.
This is a budgeting and design sketch, not a structural design. Hinge sizing, pillar strength and foundations are site decisions.
Welding, grinding, primer coverage and galvanising are not estimated beyond the figures you type in.
A sliding gate needs a track, rollers and a clear run alongside the opening that this tool does not check. Use the clearance checker for that.

Common Mistakes To Avoid

Comparing prices without comparing gauge. Ask every fabricator to write down the section size and wall thickness. It is the single biggest hidden difference between quotes.
Measuring the pillar face instead of the opening. The gate has to fit the clear gap, and pillars are often wider at the base.
Ordering a double gate for a narrow street. If the leaves cannot open fully, a sliding gate is often the better answer. Check before fabrication.
Ignoring the weight of a solid sheet gate. A heavy gate needs proper hinges and a sound pillar. Saving money on hinges is how gates start sagging within a year.

Main Gate Design In Pakistan: Size, Weight And What Drives The Cost

A main gate design for a 5 marla, 10 marla or 1 kanal house comes down to the opening width, the number of leaves, the section of steel used for the frame and the amount of decoration inside it. The two things that move the price most are weight and labour: a heavy frame with fine scrollwork takes more steel and many more hours than a plain frame with a few cross bars.

People in Islamabad and Rawalpindi often ask for an iron main gate design in a modern style, either a flat panel with vertical lines or a laser cut pattern. Try both here. The tool shows the steel weight of each so you can see what the extra detail adds before talking to a fabricator.

Frequently Asked Questions

What is a normal frame size for a house gate?

For a double gate on an ordinary house entrance, 50 mm square tube is a common frame choice, with 38 mm sometimes used on lighter or smaller gates and 75 mm on very wide ones. The gauge matters as much as the size, so always ask whether the quote is for 1.6 mm, 2 mm or 3 mm steel.

Does the tool include paint, hinges and welding?

Only as figures you enter yourself. It calculates the steel, because that can be calculated honestly from geometry. Hinges, paint and labour vary too much between workshops for any number printed here to be meaningful.

Why does the weight come out as a range?

Because the exact member layout of your gate is the fabricator’s decision. The tool assumes a perimeter, a middle rail and a brace per leaf, and the ten per cent range acknowledges that your gate may have more or fewer members than that.

Can I design a sliding gate with this?

Yes, choose the sliding option and the tool adds track length to the material. It does not check whether you have the clear side run a sliding gate needs, which is a measurement worth taking before you commit.

Is a solid sheet gate better than a bar gate?

They solve different problems. Sheet gives privacy and feels more substantial, but it is heavier, catches wind, and costs more in material. Bars are lighter and cheaper and let you see the street. Neither is structurally superior by default.

What size should a main gate be for a 5 marla or 10 marla house?

It depends on the plot frontage and whether the gate is for cars or only for people. A double leaf car gate commonly needs between 10 and 14 feet of clear opening, while a pedestrian gate is much narrower. Measure the actual opening and enter it here rather than relying on a standard size.

Is a simple main gate design cheaper than a decorative one?

Usually yes, because it uses less steel and fewer labour hours. Enter both designs in this tool and compare the weights, then ask your fabricator how they charge for decoration, since some price by weight and others by the job.

Related Free Tools

Get A Measured Quotation

When the design is settled, the next step is somebody measuring the opening between your actual pillars, because that is where gate dimensions come from. Ramzan Steel Works fabricates steel gates across Islamabad and Rawalpindi and quotes against a measured opening rather than a description.