Monthly Income (net after tax)
£
 
Usual Monthly Outgoings
£
 
Mortgage or rent (monthly)
£

Just enter the debt amounts outstanding, amend the APR values to closest match, then try the crystal ball to project ahead.
Secured Lending
Credit Card(s)
Personal Loan(s)
Storecard(s)
Other e.g. motor HP
Total
Disposable income (amount left per month)