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Food

How to open a tin without a tin opener

By Connor DullawayPublished Last checked 5 sources, each dated

The short answer

Use a metal spoon: hold the tin on a firm surface, rub the tip of the spoon back and forth on the inner edge of the lid where an opener would cut, until the metal wears through, then work round the rim and lift the lid. It takes a few minutes but is lower risk than a knife. A knife or a rough stone or concrete surface also work. Cut edges are sharp. Keep a manual tin opener in your kit, as the British Red Cross advises.

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  1. Find a metal spoon. A plastic one won't work.
  2. Put the tin on a firm, flat surface and hold it steady.
  3. Rub the tip of the spoon back and forth on the inner edge of the lid, where a tin opener would cut.
  4. Keep going until the metal wears through. This takes a few minutes.
  5. Work round the rim with the spoon, then lift the lid off carefully. The edges are sharp.
  6. Afterwards, add a manual tin opener to your kit.
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Which method to use

These methods come from two guides we read on 3 November 2026: TODAY (with advice from a private chef) and Bob Vila. We've only included methods both guides describe.

Method You need Risk Speed
Metal spoon A sturdy metal spoon Lower: TODAY calls it lower risk than a knife Slow, a few minutes
Kitchen knife A large, heavy knife or a pocket knife Higher: the blade can slip Quicker
Rough stone or concrete A flat, rough stone or concrete step Lower, but messy Slow

Method 1: a metal spoon

  1. Stand the tin on a flat, stable surface and grip it firmly.
  2. Hold the spoon near the bowl, not the end of the handle, so you can press hard.
  3. Put the tip of the spoon on the inner edge of the lid, just inside the raised rim, with the bowl facing into the tin.
  4. Rub back and forth in short strokes, pressing down. The metal thins and a small hole wears through.
  5. Move along and repeat, working round the rim until most of the lid is free.
  6. Lift the lid with the spoon, not your fingers.

Method 2: a kitchen knife

Use this only if you can't use a spoon, and take your time.

  1. Stand the tin on a stable surface, ideally about hip height.
  2. Use a large, heavy knife or a pocket knife. Bob Vila says a butter knife won't work.
  3. Rest the heel of the blade (the wide part nearest the handle) on the lid, just inside the rim.
  4. Press down firmly to make a small hole. Keep your other hand well away from the blade.
  5. Move along 1 to 2 centimetres and press again. Repeat all the way round.
  6. Put the tip into one of the holes and pry the lid up.

Keep the edge pointing away from your body. If the blade slips, stop and switch to the spoon.

Method 3: a rough stone or concrete step

Both guides describe this for when you have no tools, or a ring pull has snapped off.

  1. Find a flat, rough stone or concrete surface, much bigger than the tin.
  2. Turn the tin upside down and rub the lid back and forth on the surface.
  3. Check often. Stop as soon as you see moisture round the edge: the lid is now thin.
  4. Pry the lid off with something clean, such as a spoon. TODAY and Bob Vila both say use a clean tool so dirt doesn't get into the food.

Stay safe: cut edges are sharp

The cut lid and rim can be very sharp, and these methods can leave rougher edges than a tin opener. Lift lids with a spoon, not your fingers, and put them straight in the bin.

If you do cut yourself, the NHS says:

  • Stop the bleeding. Press on the cut with a clean cloth or bandage. Raise a cut hand or arm above your head.
  • Clean it. Rinse with clean tap or bottled water, or sterile wipes. Pat dry.
  • Cover it with a plaster or sterile dressing, and keep it clean and dry.
  • Get urgent help (999 or A&E) if the bleeding won't stop, the cut is very large or deep, it's a bad cut on your face or the palm of your hand, or you lose feeling near it.
  • Call NHS 111 or your GP if the wound is dirty and won't come clean, or it gets redder, more swollen or more painful.

Next time: keep a manual tin opener

  • The British Red Cross lists a tin opener in its emergency kit.
  • GOV.UK's Be Ready checklist names tinned meat, fish or vegetables as good emergency food. A manual tin opener works in a power cut, when an electric one won't.
  • TODAY's tip: when you shop, choose tins with a ring pull where you can.
  • Keep a spare opener with your food, not just in the kitchen drawer.

Our stockpile shopping list has the full list to print and tick off.

What to buy

About these links: plain links to ordinary retailer pages. We may earn from some links in future; we don't now. We haven’t tested these and we don’t rank them: they are examples that were in stock when we checked. Prices change. Check what you already own first. Full kit list

  • Manual tin opener

    Look for: Works without power. Keep it with the tins.

    Search Amazon UK

  • Food that needs no cooking, for 3 days

    Look for: Tinned meat, fish or vegetables, dried fruit and nuts: food you already eat. Check dates every six months.

    Search Amazon UK

  • First aid kit

    Look for: Waterproof plasters, bandages, a thermometer, antiseptic, eyewash, sterile dressings, gloves, medical tape and tweezers.

    • St John Ambulance Home First Aid Kit · St John Ambulance shop · £10.50 (price on 3 November 2026) Shop
    • Lifesystems Adventurer First Aid Kit · Lifesystems (UK brand store) · £26.99 (price on 1 November 2026) Shop
    • Lifesystems Mountain First Aid Kit · Lifesystems (UK brand store) · £42.99 (price on 1 November 2026) Shop

Last checked

Methods checked against TODAY and Bob Vila, first aid against the NHS, and kit lists against the British Red Cross and GOV.UK Be Ready on 3 November 2026. This is general information, not medical advice. If a cut is bleeding heavily, call 999.

Frequently asked questions

What is the safest way to open a tin without a tin opener?

A metal spoon. TODAY's guide, with advice from a private chef, says the spoon method is lower risk than using a knife, though it takes more effort. A plastic spoon won't work.

Can I open a tin with a knife?

Yes, but take care. Bob Vila's guide says use a large, heavy kitchen knife or a pocket knife, press the heel of the blade into the lid, and make a ring of small holes before prying the lid up. A butter knife won't work. Keep the edge away from your body and your fingers clear.

How do I open a tin with no tools at all?

Rub the tin upside down on a flat, rough stone or concrete surface until the lid wears thin and you see moisture, then pry it off with something clean. Both TODAY and Bob Vila describe this. Stop as soon as moisture appears so you don't spill the food.

What should I do if I cut myself on a tin?

The NHS says press on the cut with a clean cloth to stop the bleeding, rinse it with clean tap or bottled water, pat it dry and cover it with a plaster or dressing. Call 999 or go to A&E if the bleeding won't stop, the cut is very large or deep, or it's on your face or the palm of your hand.

Do I need a tin opener in my emergency kit?

Yes, if you keep tins without ring pulls. The British Red Cross lists a tin opener in its emergency kit, and GOV.UK Be Ready names tinned meat, fish and vegetables as good emergency food. A manual opener works with no power.

Sources

We opened each page on the date shown. Official advice changes: if a source says something different now, follow the source.

  1. TODAY (NBC News): Yes, you can open a can without a can opener — here's how (updated 9 Jan 2023) (read 3 November 2026)
  2. Bob Vila: How to open a can without a can opener (updated 16 Sept 2022) (read 3 November 2026)
  3. NHS: Cuts and grazes (read 3 November 2026)
  4. British Red Cross: Prepare an emergency kit (read 3 November 2026)
  5. GOV.UK Be Ready: Checklist PDF (October 2026) (read 3 November 2026)

Related guides

We're an independent UK site, not the government. We check guides against official sources and link to them. In an emergency call 999.

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