Calculator for Dry Cure Bacon

Additional Important Information

What Is Dry Cure Bacon?

Dry cure bacon is made by applying a measured mixture of salt, curing salt and sugar directly to a piece of pork — no brine, no soaking, no liquid of any kind. The cure is rubbed or pressed onto the surface of the meat and then left to work its way inward over a number of days. This is the oldest and most traditional method of making bacon, and in the hands of a careful home curer it produces results that commercial wet-cured bacon simply cannot match — firm texture, deep flavour, and a clean, honest taste of the pork itself.

The cuts that respond best to dry curing are those with a relatively even thickness and good fat cover: streaky belly, back loin, jowl and Canadian-style loin. Each has its own character and requires slightly different handling, which is why the calculator includes specific presets for each one.

EQ Cure vs Box Cure — Which Should You Use?

EQ Cure (Equilibrium Curing)

Equilibrium curing is the method I recommend for home curers. The principle is straightforward: you weigh out each curing ingredient as a precise percentage of the meat weight and apply the entire amount to the surface. The meat is then sealed — ideally in a vacuum bag — and left to cure in the refrigerator. Over time, the salt and cure migrate inward until they reach equilibrium throughout the meat. Because you are applying exactly what the meat will ultimately absorb, you cannot over-salt the cure. Leave it in for a day longer than needed and nothing changes — the equilibrium has already been reached.

EQ curing gives you complete control over every ingredient and produces a consistently seasoned result. The cure time is calculated from the thickness of the meat at its thickest point, not its weight, because it is the distance the cure needs to travel that determines how long the process takes.

Recommended for: home curers, anyone who wants precise control over salt and seasoning levels, vacuum-sealed cures.

Box Cure (Traditional Method)

The box cure is the older of the two methods. A master cure blend — a pre-made mixture of salt, dextrose and Cure #1 — is prepared in bulk and applied to the meat at a fixed rate of approximately 40 grams per kilogram. The meat is placed in a container (traditionally a wooden box, hence the name), turned and rubbed daily, and cured for a set number of days.

The box cure is slightly less precise than EQ curing but is simple, practical, and produces excellent bacon. It is particularly well suited to larger batches where weighing every ingredient individually would be time-consuming. The master blend recipe in the calculator (Salt 450 g, Dextrose 340 g, Cure #1 45 g) produces a reliable, well-seasoned cure — make it in bulk, store it in an airtight jar, and it will keep for up to 12 months.

Recommended for: traditional or farmhouse-style production, larger batches, curers who prefer a simpler process.

Salt Levels — Getting It Right

The salt percentage for bacon curing is expressed as a percentage of the meat weight. The right level depends on the method you are using and, to some extent, personal taste.

EQ Cure

• Minimum: 2.0% — the absolute floor. Below this the cure will not season the meat adequately or provide meaningful preservation.
• Recommended: 2.2–2.5% — my preferred range for bacon. This produces a well-seasoned, savoury result without being aggressively salty.
• Maximum: 2.8% — I would not go higher than this with the EQ method. The equilibrium principle means every gram you apply will be absorbed, and at this level the bacon may be uncomfortably salty for most palates.

If you are using Nitrite Salt or Coloroso (European-style nitrite salt), this product replaces your salt entirely. It is applied at 2.0–2.5% of meat weight and contains both the salt and nitrite in a single product — do not add additional salt alongside it.

Box Cure

The traditional application rate of 40 g per kg of meat delivers an effective salt level of approximately 2.5% from the blend alone, before accounting for the additional salt contribution of the aromatics. Adjust the application rate between 35–50 g per kg to taste — but do not exceed 50 g per kg.

Cure Types — What to Use and When

Cure #1 (Prague Powder #1)

Cure #1 is a pre-mixed blend of salt and sodium nitrite, typically at a ratio of 93.75% salt to 6.25% sodium nitrite. It is applied at 0.25% of the meat weight (2.5 g per kg). Cure #1 is the correct choice for any bacon that will be cured and consumed within 30 days.

Never exceed the stated application rate for Cure #1. The calculator ensures you are working within safe limits and shows the resulting nitrite concentration in parts per million alongside your recipe.

Nitrite Salt / Coloroso

Nitrite Salt — sold as Coloroso, Savianda or similar brand names depending on your region — is a European-style product in which a small percentage of nitrite is pre-blended into the salt carrier at around 0.6%. Because this product is the salt itself, it replaces your regular salt entirely and is applied at the full salt rate (2.0–2.5% of meat weight). Do not use Nitrite Salt alongside additional salt — the product is the salt.

Check your specific product label carefully and confirm the exact nitrite percentage before calculating. The calculator allows you to enter your product’s exact rate.

Cure #2 — Not Required for Bacon

Cure #2 contains both sodium nitrite and sodium nitrate and is used for long-term cured products such as whole muscle hams, coppa and other charcuterie that will dry for more than 30 days. Bacon does not require Cure #2 — if you are making a product that will be consumed as bacon, Cure #1 or Nitrite Salt is always the correct choice.

Sugar — Types and Quantities

Sugar in a bacon cure serves three purposes: it balances the sharpness of the salt, adds a mild complexity of flavour, and contributes to surface browning and the characteristic colour of cooked bacon. It is not essential, but most bacon recipes benefit from a small amount.

Dextrose is my preferred choice. It is less sweet than regular sugar, ferments more readily if you are planning to cold smoke, and produces a cleaner, more savoury result. Because it is less sweet, you need slightly more than regular sugar to achieve the same effect. A starting point of 0.3–0.5% of meat weight is typical for bacon.

Regular sugar (sucrose) can be substituted at a slightly lower rate — around 0.25–0.4%. It will produce a marginally sweeter result.

Brown sugar, honey and maple syrup are frequently used in flavoured bacon recipes and produce excellent results. They add a warm, caramel note that works particularly well with cold smoking. If using liquid sweeteners such as honey or maple syrup, allow for the additional moisture they add to the cure — vacuum bagging is especially recommended in this case.

Thickness and Cure Time

Cure time in the EQ method is determined by the thickness of the meat at its thickest point, not by its weight. The principle is simple: the cure needs to travel from the surface to the centre of the meat, and the further it has to travel, the longer it takes.

The calculator uses a standard formula to calculate the minimum cure time. The recommended cure time adds a 25% safety margin on top of the minimum to ensure full cure penetration, particularly in thicker cuts where density and fat distribution can slow migration.

Always measure at the thickest cross-section of the piece, not the average thickness or the overall length. For a pork belly, this is typically the point where the meat layer is deepest — often towards the loin end.

The minimum and recommended cure times update live as you type your thickness measurement. These are estimates — the only reliable way to confirm full cure penetration is to slice through the centre of the cured piece and check that the colour change is consistent from edge to edge.

Vacuum Bagging

I strongly recommend curing bacon in a vacuum bag rather than an open tray or container. Vacuum bagging offers several important advantages:

• Better cure contact. The bag holds the cure against the meat surface at all times, eliminating air gaps and ensuring even penetration.
• No oxidation. The absence of oxygen prevents surface discolouration and rancidity during the cure period.
• Simpler flipping. Turning the bag daily is quick and clean. Any liquid that accumulates (the pellicle) stays in contact with the meat rather than pooling at the bottom of a tray.
• Reduced mess. Curing in a bag keeps the refrigerator clean and prevents cross-contamination.

If you do not have a vacuum sealer, a well-sealed zip-lock bag with as much air removed as possible is a workable alternative for short cures.

The Equalisation Period

After the minimum cure time has been reached, an optional equalisation period allows the salt and cure that have accumulated near the surface of the meat to redistribute evenly toward the centre. This is not strictly necessary for food safety — if the full cure time has been observed, the meat is safe — but it does produce a noticeably more even result, particularly in thicker cuts where some gradient between surface and centre is inevitable.

The equalisation period is typically around one-third to one-half of the cure time. Leave the meat sealed in the bag (do not open or rinse it), return it to the refrigerator, and allow the salt to continue redistributing passively. When you slice the cured piece after equalisation, the cross-section should be a consistent colour throughout with no visible gradient.

Rinse, Dry and Rest

Once the cure is complete, remove the bacon from the bag, rinse it briefly under cold water to remove any surface salt crystals and residual cure, and pat it thoroughly dry with kitchen paper. Place it uncovered on a rack in the refrigerator for at least a few hours — ideally overnight — to allow the surface to dry completely. This step is important whether you are planning to cold smoke or simply to slice and cook the bacon directly.

A dry surface is essential for cold smoking — smoke does not adhere evenly to a wet surface and the result will be bitter and uneven. For unsmoked bacon, a dry surface improves the crust when frying and helps the bacon slice more cleanly.

Cold Smoking

Cold smoking is optional but transforms the flavour of dry-cured bacon dramatically. The smoke provides an additional preservative effect and contributes the characteristic colour and aroma that most people associate with traditionally made bacon.

The critical rule with cold smoking is temperature: the smoker must remain below 30°C (86°F) throughout the entire session. Above this temperature the fat begins to render and the texture of the bacon changes in ways that cannot be reversed. Use a thermometer in your smoker chamber, not just near the smoke source.

Wood selection matters. The classic European choice for bacon is beech, which gives a clean, neutral smoke that allows the pork flavour to come through. Oak adds a stronger, earthier note. Apple and cherry give a slightly sweet, fruity smoke that works particularly well with belly bacon and maple-cured products. Avoid all resinous softwoods — pine, spruce, fir and similar — which produce an acrid, unpleasant smoke containing compounds that are harmful when ingested.

Sessions of 4–6 hours with overnight resting in the refrigerator between sessions allow the smoke to penetrate evenly and the flavour to mellow. One session produces a lightly smoked bacon; three sessions gives a more pronounced result. Taste and decide — more sessions can always be added, but smoke cannot be removed.

Slicing and Storage

Rest the finished bacon in the refrigerator for at least one full day before slicing. This allows the surface to firm up, the flavours to settle and the fat to set — all of which make for cleaner, more even slices.

Slice against the grain where possible. For streaky belly bacon, this typically means slicing across the shortest dimension of the piece. A sharp knife or a slicing machine produces the most consistent results.

Storage:

• Unsmoked dry-cured bacon: refrigerate and use within 7–10 days, or vacuum seal and freeze for up to 3 months.
• Cold-smoked dry-cured bacon: refrigerate and use within 14 days, or vacuum seal and freeze for up to 6 months. The smoke provides additional preservation.

Always label your bacon with the date it was made and the cut used. When a batch turns out perfectly — and it will — you will want to be able to repeat it exactly.