How long will 500 litres of heating oil last?
A simple, honest guide to estimating how many weeks 500 litres will heat your home, and why the answer changes with the weather.
By MyOil Team ·
The short answer
For a typical three-bed Irish home, 500 litres of kerosene lasts roughly 6-10 weeks in winter and much longer in milder months. Your real number depends on your home's size, insulation, and how warm you keep things.
What changes the answer
- Home size & insulation, a large, draughty house can burn through oil twice as fast as a small, well-insulated one.
- The season, cold snaps dramatically increase how much your boiler runs.
- Hot water, homes using the oil boiler for hot water year-round keep a small baseline burn even in summer.
Estimate it for your home
Use the run-out predictor: pop in your tank size, last fill date and home size, and we'll show your estimated days remaining and an order-by date. Set a reminder so you're nudged before you run low, never get caught short.
Catch the dips, not the spikes
Set a price-drop alert and we'll email you when oil gets cheaper in your county.
Set a price-drop alert →Not sure if you need oil yet?
Pop in your tank and last fill, and we'll estimate how many days you've got left.
See when you'll run out →Related guides
What to do if you run out of heating oil
Running dry is stressful but recoverable. Here's how to get heat back safely and avoid it happening again.
Read →300 vs 500 vs 1000 litres: how much oil should I order?
Bigger fills are cheaper per litre, but cash flow and tank size matter. Here's how to choose.
Read →When is the best time to buy heating oil in Ireland?
Prices swing with global crude, the euro, and the seasons. Here's how to think about timing without trying to predict the future.
Read →Never overpay, never run dry.
Tell us your county and we'll watch the price by the fill, not the cent. Add your tank and we'll tell you when you'll run out, and nudge you in good time to order.