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1 ADA to ONECardano Token → Harmony
On 2026-10-28, 1 Cardano Token (ADA) = 1.9463 Harmony (ONE) at the mid-market rate. Conversely, 1 ONE = 0.5138 ADA. Over the last 30 days the ADA/ONE rate moved between 1.6629 and 2.1782, a change of +16.33%.
This page shows the live mid-market rate from Cardano Token (ADA) to Harmony (ONE), its history over the past year and ready-made conversion tables. Rates are updated twice a day; banks and card networks usually add a margin on top.
ADA/ONE exchange rate chart
ADA/ONE went from 1.7507 on Sep 29, 2026 to 1.9463 on Oct 28, 2026 (+11.18 %). Highest: 2.1782 (Oct 20, 2026); lowest: 1.6629 (Oct 4, 2026).
ADA/ONE exchange rate analysis
Over the last 30 days the ADA/ONE rate rose sharply (+16.33%): the ADA strengthened markedly against the ONE. Over the past 12 months it ranged from 1.2242 (2026-09-18) to 886.28 (2025-12-06), with an average of 108.34. Today's rate is 98.20% below its one-year average: 1 ADA buys fewer ONE than usual. Day-to-day movements are large (average daily change of 3.00%), so the amount received can vary noticeably from one day to the next. The largest daily move of the last 30 days was +11.56% on 2026-10-10.
| Period | Date | 1 ADA = | Change |
|---|---|---|---|
| 1 week ago | 2.1595 ONE | -9.87% | |
| 1 month ago | 1.6732 ONE | +16.33% | |
| 6 months ago | 104.99 ONE | -98.15% | |
| 1 year ago | 102.69 ONE | -98.10% |
ADA/ONE · last 10 days
| Date | 1 ADA = | 1 ONE = |
|---|---|---|
| 1.9463 ONE | 0.5138 ADA | |
| 1.9776 ONE | 0.5057 ADA | |
| 2.0014 ONE | 0.4997 ADA | |
| 2.0245 ONE | 0.4939 ADA | |
| 2.0572 ONE | 0.4861 ADA | |
| 2.1243 ONE | 0.4707 ADA | |
| 2.1492 ONE | 0.4653 ADA | |
| 2.1595 ONE | 0.4631 ADA | |
| 2.1782 ONE | 0.4591 ADA | |
| 2.1396 ONE | 0.4674 ADA |
Cardano Token to Harmony
Harmony to Cardano Token
Frequently asked questions
How much is 1 ADA in ONE today?
1 Cardano Token is worth 1.9463 Harmony at the mid-market rate of 2026-10-28. 1 Harmony is worth 0.5138 Cardano Token.
How much is 100 ADA in ONE?
100 ADA = 194.63 ONE, and 100 ONE = 51.3785 ADA (rate of 2026-10-28).
How has the ADA to ONE rate changed over the last month?
Over 30 days the rate went from 1.6732 to 1.9463 (+16.33%). The 30-day high was 2.1782 and the low was 1.6629.
How has the ADA to ONE rate changed this week?
One week ago 1 ADA was worth 2.1595 ONE; today it is worth 1.9463 ONE (-9.87%).
What was the best ADA to ONE rate in the past year?
The highest rate of the past 12 months was 1 ADA = 886.28 ONE on 2025-12-06; the lowest was 1.2242 ONE on 2026-09-18.
Where does this exchange rate come from?
XeConvert publishes daily mid-market reference rates aggregated from public market data and central bank sources. Banks, card issuers and exchange offices add a margin, so the rate you actually get may be slightly different.