Inflation Record£100 in 1997 → Today (United Kingdom)
Official data verified · CPI (ONS) · Annual average · Not seasonally adjusted · Data through September 2026 (fetched 2026-11-02) · CPI All items (D7BT), MM23 dataset
£202.70
+102.7% cumulative inflation · 1997–2026
Your £100 in 1997 would have the purchasing power of £202.70 in United Kingdom today.
What this means
- Purchasing power: £100 in 1997 had the same average buying power as £202.70 in 2026.
- Price level change: the overall consumer price level rose by 102.7% across this 29-year span; the purchasing power of a pound changed by -50.7%.
- This measures the broad basket of consumer goods and services (CPI (ONS)). Individual expenses moved at different rates.
What this means in other amounts
| In 1997 | Worth in 2026 |
|---|---|
| £1 | £2.03 |
| £5 | £10.13 |
| £10 | £20.27 |
| £20 | £40.54 |
| £50 | £101.35 |
| £100 | £202.70 |
| £500 | £1,013.48 |
| £1,000 | £2,026.96 |
| £10,000 | £20,269.58 |
| £100,000 | £202,695.85 |
Key facts about 1997
- Consumer prices rose 1.8% in 1997 — the 26th-largest annual increase in the 1988–2026 record.
- Measured by the older RPI instead of CPI, £100 in 1997 would equal £263.51 in 2026 — the two indexes have drifted apart, which is why this site never blends them.
- In the decade after 1997, prices rose 16.7% in total.
£100 in 1997, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2007 | £116.72 | +16.7% |
| 2017 | £147.51 | +47.5% |
| 2026 | £202.70 | +102.7% |
Monthly CPI in 1997
| Period | Index | Change vs same period, prior year |
|---|---|---|
| January | 69.2 | 2.1% |
| February | 69.4 | 1.9% |
| March | 69.5 | 1.6% |
| April | 69.8 | 1.6% |
| May | 70.0 | 1.6% |
| June | 70.2 | 1.7% |
| July | 69.9 | 1.9% |
| August | 70.3 | 2.0% |
| September | 70.6 | 1.9% |
| October | 70.6 | 1.9% |
| November | 70.6 | 1.9% |
| December | 70.7 | 1.7% |
Annual average for 1997: 70.067
Verify this calculation
Series: CPI All items (D7BT), MM23 dataset; base 2015=100; not seasonally adjusted.
Index (1997 annual average): 70.067 · Index (2026 annual average): 142.022 · Ratio: 2.0270
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: Office for National Statistics.