How Much Caffeine Is in Yorkshire Tea? | Caffeine Per Mug

A standard 8-ounce cup of Yorkshire Tea contains between 40 and 60 mg of caffeine, about half the amount in brewed coffee.

You probably think of Yorkshire Tea as a strong, comforting brew — the kind that stands up to milk and sugar. But when you’re watching your caffeine intake, the question isn’t about flavor. It’s about how much caffeine is actually in that mug, and the answer surprises a lot of people. Most assume it’s minimal next to coffee, but Yorkshire Tea sits in a middle zone that’s worth knowing.

A standard 8-ounce cup of Yorkshire Tea typically contains 40 to 60 milligrams of caffeine. That’s roughly half the caffeine of a similar-sized cup of brewed coffee, which lands around 95 mg. But the exact number depends on how you brew it — steeping time, water temperature, and how many bags you use all shift the final count.

The Caffeine Range in Your Mug

The 40–60 mg range for Yorkshire Tea comes from several sources, though none are official lab reports from the manufacturer. Healthline’s comparison notes a typical black tea contains 40–70 mg per cup, and Yorkshire Tea fits squarely in that bracket. Some tea retailers report an average of 45 mg per mug, while others list 42 mg for a standard brew.

Coffee, by contrast, is more consistent — an 8-ounce cup of drip coffee holds about 95 mg, nearly double the high end of Yorkshire Tea’s range. The gap comes down to chemistry. Tea leaves contain about 4% caffeine by weight, higher than coffee’s 0.9–2.6%, but coffee uses hotter water which extracts more caffeine during brewing.

Even a long steep of five minutes at near-boiling won’t pull as much caffeine from tea as a quick coffee brew. The structure of tea leaves and the age of the leaf also limit extraction. So while Yorkshire Tea is marketed as a strong blend, its caffeine output stays modest next to java.

Why the Exact Number Matters

The caffeine content in your daily cup isn’t just trivia — it influences when you drink it, how you feel afterward, and whether you pair it with other caffeinated drinks. Here’s why the 40–60 mg range is useful to know:

  • Caffeine sensitivity: If you react strongly to stimulants, a cup of Yorkshire Tea may still trigger jitters or disrupt sleep, especially if you drink it after dinner.
  • Pregnancy guidelines: Many health organizations suggest keeping total caffeine under 200 mg per day. With 40–60 mg per mug, you can enjoy two or three cups without exceeding that limit.
  • Evening drinking: Black tea is often perceived as a relaxing drink, but it does contain caffeine. If you’re prone to insomnia, a short steep or switching to decaf may help.
  • Switching from coffee: If you’re cutting back on coffee, a strong cup of Yorkshire Tea delivers a caffeine hit that’s roughly half a coffee’s, making the transition smoother than going straight to herbal tea.

The number also helps you plan. If you’ve already had a coffee in the morning, a mid-afternoon tea won’t push you over your personal tolerance — as long as you know the range.

Factors That Push the Caffeine Up or Down

Steeping time is the biggest variable. A one-minute steep extracts maybe 30–35 mg, while a four-minute steep can hit 60 mg. Some people who want a stronger cup let it sit longer, but the trade-off is bitterness from tannins.

Bag count matters too. Each Yorkshire Tea bag contains about 3.1 g of leaf. If all caffeine were extracted, one bag would yield roughly 96 mg — but real-world extraction is much lower, typically around 50–60%. So two bags in a mug could push caffeine into the 80–100 mg range, rivaling a small coffee.

Water temperature also plays a role. Boiling water extracts more caffeine than slightly cooler water. Healthline’s tea vs coffee caffeine guide explains that while tea leaves have a higher caffeine percentage, coffee’s hotter brewing temperature is why it ends up with more per cup.

How Yorkshire Tea Compares to Other Brands

Yorkshire Tea isn’t the only strong black tea on the shelf. Here’s how it stacks up against popular competitors:

  1. Tetley and PG Tips: These similar British blends all fall into the 40–60 mg per mug range, according to tea retailers. There’s not much difference if you’re counting.
  2. Earl Grey and English Breakfast: These varieties tend to be higher, with some sources reporting 60–90 mg per cup. The bergamot oil in Earl Grey doesn’t affect caffeine, but the base black tea is typically robust.
  3. Decaf Yorkshire Tea: Decaf versions still contain a trace amount, usually under 5 mg. That’s low enough for most people to drink freely in the evening without sleep disruption.

So if you’re aiming for the lowest caffeine among black teas, Yorkshire Tea is moderate — not the lowest, but not the highest. The real difference comes from how you brew it, not just which box you grab.

Practical Takeaways for Your Daily Cup

If you want less caffeine, steep for one to two minutes instead of three or four. Use one bag and stick to an 8-ounce mug — larger volumes naturally pull more caffeine from the same bag. Cold brewing also extracts less caffeine overall, though it’s not the same experience as a hot cup.

If you need a stronger caffeine hit, use two bags or let the bag steep for the full five minutes. But remember, you’re still below a standard coffee’s caffeine load. A guide hosted by Teaducks examined typical caffeine in popular British teas; its 40–60 mg per mug chart is a handy reference for comparing brands and brewing methods.

The takeaway is that Yorkshire Tea gives you predictable, moderate caffeine — enough for a gentle lift, but not enough to rival your morning pour-over. Adjust the steeping and bag count to match your tolerance, and you’ll get the exact effect you want.

Tea Type Caffeine per 8 oz (mg) Notes
Yorkshire Tea (standard) 40–60 Depends on steep time and bag count
Tetley / PG Tips 40–60 Similar blend strength
Earl Grey 60–90 Higher end of black tea range
English Breakfast 60–90 Often blended with Assam leaves
Decaf Yorkshire Tea <5 Trace amounts remain

These numbers are estimates based on multiple sources; your actual cup may vary slightly. The best way to know your specific intake is to pay attention to how you feel after a mug, especially if you’re sensitive to caffeine.

Brewing Factor Effect on Caffeine
Steep time 1 minute ~30–35 mg
Steep time 4 minutes ~50–60 mg
Two bags ~80–100 mg (approximate)

The Bottom Line

Yorkshire Tea delivers 40 to 60 mg of caffeine per standard mug, roughly half the caffeine of brewed coffee. Steeping for less time or using one bag keeps you on the lower end, while a long steep or double bagging pushes it higher. The range is consistent with other black teas, making it a predictable choice for your daily caffeine routine.

If you’re sensitive to caffeine or adjusting your intake, a two-minute steep with one bag holds the number steady — your own habit and brewing style will fine-tune the exact amount you get from each cup.

References & Sources

  • Healthline. “Caffeine in Tea vs Coffee” An 8-ounce cup of brewed coffee generally contains about 95 mg of caffeine, which is roughly double the amount found in a cup of black tea like Yorkshire Tea.
  • Teaducks. “How Much Caffeine in Tea” Yorkshire Tea, along with similar blends from Tetley and PG Tips, typically falls into the 40–60 mg caffeine range per mug.