Tonga — how much does fuel cost today?

As of September 2026, fuel prices in Tonga: RON 91 — 3.75 TOP (€1.35), Diesel — 4.38 TOP (€1.58), Kerosene — 3.55 TOP (€1.28) per liter. These are national averages collected from official fuel operators, government statistics and price aggregators, verified and refreshed weekly by OpenVan. Actual pump prices vary by region and station brand, so treat them as a reliable baseline for budgeting. To estimate a full trip, use the road-trip fuel cost calculator on this page — it combines these prices with your route and consumption.

How does Tonga compare in fuel prices?

Tonga ranks #7 out of 9 countries in its region by diesel price. Rankings are recalculated weekly from the same verified dataset, so a single border crossing can noticeably change your fuel budget — the neighbouring-countries block on this page shows where filling up is cheaper. All comparisons use EUR per liter at current exchange rates.

Fuel Tonga

Updated 12 September 2026

Diesel & Petrol Prices in Tonga

Name: Fuel Prices in Tonga — 2026
Creator: OpenVan.camp
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

#7 of 9 in region

Currency

Fuel

Dist.

Diesel

4.38 TOP /Litre

€1.58

↑ +13.3% vs. region avg. ↑ +11.5% vs. world

RON 91

Petrol

3.75 TOP

↑4% vs. region avg.

Kerosene

3.55 TOP

/Litre

Calculator · Diesel

Full tank (80 L, diesel)

350 TOP

€126 · $146

100 km (10 L/100 km, diesel)

43.75 TOP

€15.81 · $18.24

Calculate route fuel cost

Dynamics · RON 91

€0.36 per 1 TOP · updated weekly

min 3.75 TOP max 3.78 TOP —

When this section launched, some countries had few price sources, so the earliest points on the chart may be inaccurate. We keep adding new sources — recent data is more reliable.

Fuel Cost Calculator

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Reference data, not legal advice. Rules change without notice — check with the consulate or at the border.

Region Oceania

Diesel · Litre

All 9 countries →

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Tonga

Milk · 1 L + price

Eggs · 12 pcs + price

Chicken · 1 kg + price

Rice · 1 kg + price

Bread · 500 g loaf + price

Water · 1.5 L bottle + price

Cheese · 1 kg + price

Tomatoes · 1 kg + price

Potatoes · 1 kg + price

Beer · 0.5 L bottle + price

No prices for Tonga yet. Be the first — a couple of numbers from your receipt help the next traveller.

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Fuel Prices in Tonga — Overview

Current fuel prices in Tonga: RON 91 — 3.75 TOP (€1.35 · $1.56), Diesel — 4.38 TOP (€1.58 · $1.82), Kerosene — 3.55 TOP (€1.28 · $1.48) per liter.

Available fuel grades in Tonga: RON 91, Diesel, Kerosene.

The local gasoline grade is RON 91.

Tonga ranks #7 out of 9 countries in Oceania by diesel price.

Use the route cost calculator to estimate your fuel expenses for a road trip through Tonga.

What makes up a at the pump

Benchmark:

Average pump price ( · Tonga) ≈ . Below — how much of it is crude, refining, logistics and taxes. ()

No retail price for this fuel in the selected country.

Learn more: how fuel prices are formed

An estimated market model: the crude part is from the current Brent price, refining and logistics from the methodology, tax as the residual (retail price − cost). Not the accounting cost of a specific refinery and not a forecast.

FAQ — Fuel Prices in Tonga

Data is collected automatically from government sources (EU Oil Bulletin, Statistics Norway, etc.) and independent aggregators, with selective manual cross-verification from at least two sources. Official data takes priority.

Updated: 12.09.2026

Prices are for reference only and may differ from actual prices at specific fuel stations.

View data sources

MTED Tonga · mted.gov.to

MTED Tonga (Ministry of Trade & Economic Development) · mted.gov.to

Talanoa 'o Tonga (TCA prices) · talanoaotonga.to

API CC BY 4.0

License CC BY 4.0 — free use, distribution and adaptation with attribution to OpenVan.camp. Fuel data updated: 12 September 2026.

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