All tools
🫖 Fun tool · Rates: Ofgem Q2 2026 (Apr–Jun)
The Tea Tax Calculator
You know you drink too much tea. But do you know how much it's actually costing you? Find out your annual tea tax.
Count every boil: morning brew, mid-morning, after lunch, the lot.
1 boil 4 20 boils
15101520
🫖
Your annual tea tax
per boil
per day
per month
That's the same as...
What else you could buy with your annual tea electricity bill.
☝️ How to cut your tea tax in half
Only boil as much water as you need. A fully-filled kettle uses roughly twice the energy of a half-filled one. Switching to an eco kettle (1800W instead of 3000W) would also cut this number by 40%.
Think someone else drinks too much tea? Send this to them. 👀
Copied! Based on a 3000W kettle boiling for 1.5 minutes per boil at 24.67p/kWh (Ofgem Q2 2026 (Apr–Jun)). Source: Ofgem.