Managing Debt UK 2026 — Repayment Strategies, APR and Getting Out of DebtDebt Payoff Calculator UK — When Will You Be Debt Free?
Calculate how long to pay off your debts and how much interest you'll pay. Compare snowball vs avalanche methods and create your debt-free plan.
By James Whitfield
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Last reviewed:
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4 min read Calculate when you’ll be debt-free and how much interest you’ll pay along the way.
Quick Debt Payoff Calculator
Single Debt Calculation
| Balance | APR | Monthly Payment | Time to Pay Off | Total Interest |
|---|
| £3,000 | 22% | £100 | 39 months | £873 |
| £3,000 | 22% | £150 | 24 months | £536 |
| £3,000 | 22% | £200 | 17 months | £378 |
| £5,000 | 22% | £150 | 44 months | £1,568 |
| £5,000 | 22% | £250 | 24 months | £893 |
| £10,000 | 22% | £300 | 44 months | £3,184 |
| £10,000 | 22% | £500 | 24 months | £1,787 |
Multiple Debts: Avalanche vs Snowball
Example Scenario
| Debt | Balance | APR | Minimum Payment |
|---|
| Credit Card A | £3,000 | 25% | £75 |
| Credit Card B | £5,000 | 19% | £100 |
| Personal Loan | £8,000 | 9% | £250 |
| Total | £16,000 | — | £425 |
Extra money available: £200/month (total £625/month)
Avalanche Method (Highest Interest First)
| Order | Debt | Why |
|—|—|
| 1st | Credit Card A | 25% APR (highest) |
| 2nd | Credit Card B | 19% APR |
| 3rd | Personal Loan | 9% APR |
| Result | |
|---|
| Debt-free in | 32 months |
| Total interest paid | £2,847 |
Snowball Method (Smallest Balance First)
| Order | Debt | Why |
|—|—|
| 1st | Credit Card A | £3,000 (smallest) |
| 2nd | Credit Card B | £5,000 |
| 3rd | Personal Loan | £8,000 |
| Result | |
|---|
| Debt-free in | 33 months |
| Total interest paid | £3,012 |
Comparison
| Method | Time | Interest | Savings |
|---|
| Avalanche | 32 months | £2,847 | £165 saved |
| Snowball | 33 months | £3,012 | More motivation |
Minimum Payment Trap
What Happens with Minimum Payments Only
| Balance | APR | Min Payment | Time to Pay Off | Total Interest |
|---|
| £3,000 | 22% | ~£75 | 6+ years | £2,500+ |
| £5,000 | 22% | ~£125 | 10+ years | £5,800+ |
| £10,000 | 22% | ~£250 | 15+ years | £12,000+ |
You could pay more in interest than the original debt.
| Monthly Payment | Time to Pay Off | Total Interest | Interest Saved |
|---|
| £125 (minimum) | 67 months | £3,325 | — |
| £150 | 44 months | £1,568 | £1,757 |
| £200 | 31 months | £1,070 | £2,255 |
| £250 | 24 months | £831 | £2,494 |
| £300 | 19 months | £673 | £2,652 |
Balance Transfer Strategy
| Current Debt | Current APR | 0% BT Period | Monthly to Clear |
|---|
| £5,000 | 22% | 24 months | £209 |
| £5,000 | 22% | 18 months | £278 |
| £5,000 | 22% | 12 months | £417 |
Balance transfer fee (typically 2-3%) still much cheaper than 22% APR.
Debt-Free Date Calculator
Your Debt Inventory
| Debt | Balance | APR | Min Payment | Extra Available |
|---|
| Debt 1 | £ | % | £ | £ |
| Debt 2 | £ | % | £ | £ |
| Debt 3 | £ | % | £ | £ |
| Total | £ | — | £ | £ |
Calculate Your Payoff Timeline
Total Monthly Payment Available: £_____
Using avalanche method:
- Pay minimums on all debts
- Put ALL extra toward highest APR debt
- When cleared, roll that payment to next highest
- Repeat until debt-free
| Area | Potential Monthly Savings |
|---|
| Cancel unused subscriptions | £20-100 |
| Reduce eating out | £50-200 |
| Switch energy/broadband | £20-50 |
| Meal planning | £50-100 |
| Cashback apps | £10-30 |
| Side income | £100-500+ |
Even £50/month extra makes a big difference over time.
When to Consider Other Options
Balance Transfer
| Good if | Not suitable if |
|---|
| Good credit score | Poor credit (won’t be accepted) |
| Can pay off in 0% period | Cannot afford monthly payments |
| Disciplined (won’t spend more) | History of overspending |
Debt Consolidation Loan
| Good if | Not suitable if |
|---|
| Multiple high-interest debts | Would run up new debt |
| Loan rate lower than current | Can get 0% balance transfer |
| Want fixed payments | Debt is manageable without |
Debt Management Plan
| Good if | Not suitable if |
|---|
| Cannot afford minimum payments | Can manage with budgeting |
| Multiple creditors | Only one or two debts |
| Need help negotiating | Debt is under control |
Debt Relief Order / Bankruptcy
Last resort for unmanageable debt. Seek free advice from StepChange or Citizens Advice.
Debt Payoff Worksheet
Monthly Budget for Debt
| Income | Amount |
|---|
| Take-home pay | £ |
| Other income | £ |
| Total | £ |
| Essential Expenses | Amount |
|---|
| Housing | £ |
| Utilities | £ |
| Food | £ |
| Transport | £ |
| Insurance | £ |
| Total | £ |
| Available for Debt | Amount |
|---|
| Income - Essentials | £ |
| Current debt payments | £ |
| Extra available | £ |
Progress Tracker
| Debt | Starting Balance | Current Balance | Paid Off (%) |
|---|
| Debt 1 | £ | £ | % |
| Debt 2 | £ | £ | % |
| Debt 3 | £ | £ | % |
Key Takeaways
- Know your debts — list all balances and interest rates
- Pay more than minimums — minimum only = debt trap
- Choose your method — avalanche or snowball
- Find extra money — even small amounts help
- Get help if needed — free debt advice is available
For more strategies, see our debt repayment strategies guide and paying off credit card debt.